WO2023016209A1

WO2023016209A1 - Transmission module, radio frequency system and communication device

Info

Publication number: WO2023016209A1
Application number: PCT/CN2022/106756
Authority: WO
Inventors: 陈锋; 仝林
Original assignee: Oppo广东移动通信有限公司
Priority date: 2021-08-12
Filing date: 2022-07-20
Publication date: 2023-02-16
Also published as: CN113676207A; CN113676207B

Abstract

Provided in the present application are a transmission module, a radio frequency system and a communication device. The transmission module is provided with a medium-high-frequency transceiving port, a target medium-frequency sending port, a medium-high-frequency antenna multiplexing port, a low-frequency antenna multiplexing port and a target low-frequency transceiving port, which cooperate with corresponding amplification circuits and selection switches to realize the transmission of various types of signals such as a GSM low-frequency signal, a GSM high-frequency signal, a target low-frequency signal, a target medium-frequency signal and a target medium-high-frequency signal. Moreover, first power information and second power information are respectively detected by means of a first coupler and a second coupler, and power information to be outputted is selected by a fifth selection switch and is outputted by means of a coupling single port. The aim of signal power detection is achieved, and functions of the transmission module are enriched.

Description

Transmitter module, radio frequency system and communication equipment

technical field

The present application relates to the technical field of antennas, in particular to a transmitting module, a radio frequency system and communication equipment.

Background technique

At present, commonly used transmitting modules include low-frequency amplifier circuit, high-frequency amplifier circuit and selection switch. Among them, the low-frequency amplifier circuit is used for power amplification of GSM low-frequency signal, and the high-frequency amplifier circuit is used for power amplification of GSM high-frequency signal. The selection of front-end The switch is used for accessing 3G/4G/5G signals other than GSM network. The current transmitter module only supports GSM signal power amplification and 3G/4G/5G signal connection combination, and the function is relatively simple.

Contents of the invention

Embodiments of the present application provide a transmitting module, a radio frequency system, and communication equipment, which can improve device integration and reduce costs.

In a first aspect, the present application provides a launch module, including:

The middle and high frequency amplifying circuit is configured to receive the GSM high-frequency transmission signal of the radio frequency transceiver through the first selection switch, and amplify the GSM high-frequency transmission signal, and pass through the second selection switch and the first filter device, a noise reduction unit, a third selection switch, and the first coupler are output to the mid-high frequency antenna multiplexing port; or, configured to receive the target intermediate frequency transmission signal of the radio frequency transceiver through the first selection switch, and to The target intermediate frequency transmission signal is amplified and output to the target intermediate frequency transmission port through the second selection switch. The target intermediate frequency transmission signal is a target intermediate frequency signal, and the target intermediate frequency signal includes the third generation 3G network, the fourth generation The intermediate frequency signal of any network in the 4G network and the fifth-generation 5G network;

The GSM low-frequency amplifying circuit is configured to receive the GSM low-frequency transmission signal of the radio frequency transceiver, and amplify the GSM low-frequency transmission signal, and output it to the low-frequency transmission signal through the second filter, the fourth selection switch, and the second coupler Antenna multiplexing port.

It can be seen that in the embodiment of the present application, the transmitting module supports the processing of radio frequency signals in any frequency band of low frequency, intermediate frequency, high frequency and ultra-high frequency. Since the low frequency amplifier circuit and the target amplifier circuit are powered independently, the target amplifier circuit is an intermediate frequency Amplifying circuit, high-frequency amplifying circuit and ultra-high-frequency amplifying circuit, so that low-frequency signal and other signals can be transmitted at the same time, so that MMPA can output two signals at the same time to support 4G LTE signal and 5G NR signal Amplify to realize EN-DC of 4G LTE signal and 5G NR signal. At the same time, the transmitter module supports 4-antenna SRS function, and supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture. In addition, the antenna multiplexing port supports UHF signals and high-frequency signals sharing the same antenna. Using an external switch circuit to decombine to realize the corresponding function saves cost and layout area, and reduces circuit insertion loss.

In a second aspect, the present application provides a launch module, including:

The selective amplification sub-module is used to selectively receive the GSM high-frequency transmission signal from the radio frequency transceiver, amplify the GSM high-frequency transmission signal, and output it to the multiplexing port of the medium-high frequency antenna; or, to select receiving a target intermediate frequency transmission signal from the radio frequency transceiver, amplifying the target intermediate frequency transmission signal, and outputting it to a target intermediate frequency transmission port, the target intermediate frequency transmission signal is a target intermediate frequency signal, and the target intermediate frequency signal includes The intermediate frequency signal of any network in 3G network, 4G network and 5G network;

The GSM low-frequency amplifying unit is configured to receive the GSM low-frequency transmission signal from the radio frequency transceiver, amplify the GSM low-frequency transmission signal, and output it to the low-frequency antenna multiplexing port.

In a third aspect, the present application provides a transmitting module, which is configured with a GSM high-frequency receiving port for receiving a GSM high-frequency transmission signal of a radio frequency transceiver, and a target intermediate frequency for receiving a target intermediate frequency transmission signal of the radio frequency transceiver. A receiving port, a GSM low-frequency receiving port for receiving the GSM low-frequency transmission signal of the radio frequency transceiver, a medium-high frequency antenna multiplexing port for sending the GSM high-frequency transmission signal/target intermediate-frequency transmission signal/target medium-high frequency signal, And a low-frequency antenna multiplexing port for sending the GSM low-frequency transmission signal or a target low-frequency signal, a target intermediate-frequency transmission port for sending the target intermediate-frequency transmission signal, and a medium-high frequency transceiver port for receiving or sending a target medium-high frequency signal , a target low-frequency transceiver port for receiving or sending a target low-frequency signal, a coupling port for sending the first power information or second power information generated by the transmitting module, the target intermediate-frequency transmitting signal is a target intermediate-frequency signal, and the The target medium-high frequency signal includes the target medium-frequency signal or the target high-frequency signal, and the target high-frequency signal includes a high-frequency signal of any one of the 3G network, the 4G network, and the 5G network, and the target The intermediate frequency signal includes an intermediate frequency signal of any network in the 3G network, 4G network, and 5G network, and the target low frequency signal includes a low frequency signal of any network in the 3G network, the 4G network, or the 5G network; the transmitting Mods include:

The first selection switch is an SPDT switch, one T port of the first selection switch is connected to the GSM high-frequency receiving port, and the other T port is connected to the target intermediate frequency receiving port for selectively receiving the GSM high-frequency transmission signal or the target intermediate frequency transmission signal;

A medium-high frequency amplification circuit, connected to the P port of the first selection switch, for amplifying the received GSM high-frequency transmission signal or the target medium-frequency transmission signal;

The second selection switch is an SPXT switch, X is an integer greater than 1, the P port of the SPXT switch is connected to the output end of the mid-high frequency amplifier circuit, and the first T port is connected to the first filter, the noise reduction unit, and the first T port in turn. The third selector switch, the first coupler, and the multiplexing port of the medium-high frequency antenna are used to output the GSM high-frequency transmission signal to the multiplexing port of the medium-high frequency antenna, and the second to the Xth T ports are in one-to-one correspondence Connecting the target IF sending port for outputting the target IF sending signal to any target IF sending port;

The third selection switch is a SPYT switch, Y is an integer greater than 1, the P port of the SPYT switch is connected to the first end of the first coupler, and the first T port is connected to the noise reduction unit, The second to Yth T ports are connected to the medium and high frequency transceiver ports of the transmitting module in one-to-one correspondence;

GSM low-frequency amplifying circuit, connected to the GSM low-frequency receiving port, for amplifying the received GSM low-frequency transmission signal;

A second filter, the first end of the second filter is connected to the output end of the GSM low-frequency amplifier circuit for filtering the GSM low-frequency transmission signal;

The fourth selection switch is an SPZT switch, Z is an integer greater than 1, the first T port of the SPZT switch is connected to the second end of the second filter, and the second to the Zth T ports are connected in one-to-one correspondence The target low-frequency transceiver port, the P port is connected to the first end of the second coupler;

The fifth selection switch is an SPDT switch, one T port of the fifth selection switch is connected to the second end of the first coupler, and the other T port is connected to the second end of the second coupler for selecting receiving the first power information of at least one of the GSM high-frequency transmission signal, the target medium-high frequency signal, and the target medium-frequency transmission signal from the first coupler or receiving the power information from the second coupler The second power information of the GSM low-frequency transmission signal/the target low-frequency signal, the P port of the fifth selection switch is connected to the coupling port, and is used to pass the first power information or the second power information through the The coupling port output;

The first coupler, the third end of the first coupler is connected to the multiplexing port of the medium-high frequency antenna, and is used to detect the GSM high-frequency transmission signal, the target medium-high frequency signal, and the target medium-frequency transmission signal First power information of at least one signal, and outputting the first power information sequentially through the fifth selection switch and the coupling port;

The second coupler, the third end of the second coupler is connected to the low-frequency antenna multiplexing port, and is used to detect the second power information of the GSM low-frequency transmission signal/the target low-frequency signal, and transfer the The second power information is sequentially output through the fifth selection switch and the coupling port.

In a fourth aspect, the present application provides a radio frequency system, including:

radio frequency transceiver;

The transmitting module according to any one of the first to third aspects, the transmitting module is connected to the radio frequency transceiver;

Antenna set, including at least:

The first antenna unit is connected to the multiplexing port of the medium and high frequency antenna of the transmitting module;

The second antenna unit is connected to the low-frequency antenna multiplexing port of the transmitting module;

The third antenna unit is connected to the target intermediate frequency sending port of the transmitting module.

In a fifth aspect, the present application provides a radio frequency system, which is characterized in that it includes:

radio frequency transceiver,

As the transmitting module described in the first to third aspects, the transmitting module is connected to the radio frequency transceiver;

Multi-mode multi-band power amplifier MMPA module;

The MMPA supports target signals, and the target signals include any of the following: target low-frequency signals, target intermediate-frequency signals, target high-frequency signals, and target ultra-high-frequency signals, and the target low-frequency signals are 3G networks, 4G networks, and 5G networks A low-frequency signal of any of the networks, the target intermediate-frequency signal is an intermediate-frequency signal of any of the 3G network, the 4G network, and the 5G network, and the target high-frequency signal is the 3G network, the A high-frequency signal of any network in the 4G network and the 5G network, the target UHF signal is the UHF signal of the 5G network;

The transmitting module and the MMPA module are configured to support dual connection ENDC between the 4G network and the 5G network between the first frequency band and the second frequency band, and the first frequency band is the target supported by the transmitting module The frequency band to which the intermediate frequency signal belongs, the second frequency band is the frequency band to which the target signal supported by the MMPA module belongs.

In a sixth aspect, the present application provides a communication device, including:

The radio frequency system as described in the fourth aspect and the fifth aspect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1A is a schematic framework diagram of a radio frequency system in the prior art;

FIG. 1B is a schematic structural diagram of a transmitting module in the prior art;

Fig. 2 is a schematic frame diagram of a transmitting module provided by an embodiment of the present application;

FIG. 3 is a schematic diagram of the framework of another emission module provided by the embodiment of the present application;

FIG. 4 is a schematic diagram of the framework of another launch module provided by the embodiment of the present application;

Fig. 5 is a schematic framework diagram of another transmitting module provided by the embodiment of the present application;

FIG. 6 is a schematic diagram of the framework of another emission module provided by the embodiment of the present application;

Fig. 7 is a schematic framework diagram of another transmitting module provided by the embodiment of the present application;

FIG. 8 is a schematic framework diagram of a radio frequency system 1 provided in an embodiment of the present application;

FIG. 9 is a schematic framework diagram of another radio frequency system 1 provided by an embodiment of the present application;

FIG. 10 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application;

FIG. 11 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application;

FIG. 12 is a schematic framework diagram of a communication device A provided in an embodiment of the present application;

FIG. 13 is a schematic frame diagram of a mobile phone provided by an embodiment of the present application.

Detailed ways

In order to facilitate the understanding of the present application, and to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth to facilitate a full understanding of the application, and preferred embodiments of the application are shown in the accompanying drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive. The present application can be implemented in many other ways that are different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. In the description of the present application, "several" means at least one, such as one, two, etc., unless otherwise specifically defined.

The radio frequency system involved in the embodiments of the present application can be applied to communication devices with wireless communication functions, and the communication devices can be handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, and various forms of A user equipment (User Equipment, UE) (for example, a mobile phone), a mobile station (Mobile Station, MS) and so on. For convenience of description, the devices mentioned above are collectively referred to as communication devices. Network devices may include base stations, access points, and the like.

As shown in Figure 1A, the architecture of the radio frequency system 1 commonly used in current mobile phones and other electronic devices includes a transmitting module 10 (transmitting module is also called a TXM module), a multi-mode multi-band power amplifier MMPA module 1020 and a radio frequency transceiver 1010 and an antenna unit 1030, wherein the radio frequency transceiver 1010 is connected to the MMPA module 1020 and the transmitting module 10, and the MMPA module 1020 and the transmitting module 10 are connected to the antenna unit 1030. The radio frequency transceiver is used for sending or receiving radio frequency signals through the signal path of the MMPA module 1020 and the antenna unit 1030, or for sending or receiving radio frequency signals through the transmitting module 10 and the antenna unit 1030, In addition, the MMPA module 1020 may also be connected with the transmitting module 10 to form a signal processing path to transmit or receive radio frequency signals through corresponding antennas.

As shown in Figure 1B, an example of a transmitting module 10 provided by the embodiment of the present application, the transmitting module 10 is configured with a low-frequency signal receiving port LB_IN, a high-frequency signal receiving port HB_IN, a first transceiver port TRx1, a second transceiver port Port TRx2, third transceiver port TRx3, fourth transceiver port TRx4, fifth transceiver port TRx5, sixth transceiver port TRx6, seventh transceiver port TRx7, eighth transceiver port TRx8, ninth transceiver port TRx9, tenth transceiver port TRx10 , the eleventh transceiver port TRx11, the twelfth transceiver port TRx12, the thirteenth transceiver port TRx13, the fourteenth transceiver port TRx14, the multiplexing antenna port ANT, the coupling port CPL, the power supply port VCC (9), the port SCLK (5 ), port SDATA (6), port VIO (7), port VBATT (10), port VRAMP (8).

The MMPA module 10 includes:

Controller (COMS Power Amplifier Controller), low frequency amplifier circuit PA1, low frequency input matching circuit Match1, low frequency matching circuit LB_OUT, high frequency amplifier circuit PA2, high frequency input matching circuit Match2, high frequency matching circuit HB_OUT, noise reduction unit ISM Notch, Selection switch ANTENNA SWITCH, coupler DIRECTIONAL COUPLER;

Described controller connects described port SCLK (5), port SDATA (6), port VIO (7), port VBATT (10) respectively, the first mobile processor industrial interface bus MIPI BUS control of receiving port SCLK, port SDA Signal, receiving the second MIPI power supply signal of VIO2, receiving the second bias voltage signal of VBAT2; connecting port VRAMP (8), power supply port VCC (9), power supply terminal of low frequency amplifier circuit PA1, and power supply of high frequency amplifier circuit PA2 Terminal and the selection terminal of the selection switch ANTENNA SWITCH are connected to realize the switching control of power supply and selection switch ANTENNA SWITCH, etc.;

The low-frequency amplifying circuit PA1, the input end of the low-frequency amplifying circuit PA1 is connected to the low-frequency signal receiving port LB_IN through the low-frequency input matching circuit Match1, and the output end of the low-frequency amplifying circuit PA1 is connected to the low-frequency matching circuit LB_OUT, Used to receive and process the GSM low-frequency signal sent by the RF amplifier;

The high-frequency amplifying circuit PA2, the input end of the high-frequency amplifying circuit PA2 is connected to the high-frequency signal receiving port HB_IN through the high-frequency input matching circuit Match2, and the output end of the high-frequency amplifying circuit PA2 is connected to the high-frequency The matching circuit HB_OUT is used to receive and process the GSM high-frequency signal sent by the RF amplifier.

The selection switch ANTENNA SWITCH is an SP16T switch, the P port of the SP16T switch is connected to the coupler DIRECTIONAL COUPLER, and the first to seventh T ports of the SP16T switch are connected to the first transceiver port TRx1 to the Describe the seventh transceiver port TRx7, the eighth T port of the SP16T switch is connected to the output end of the noise reduction unit ISM Notch, the ninth T port of the SP16T switch is connected to the output end of the low-frequency matching circuit LB_OUT, The tenth to sixteenth T ports of the SP16T switch are connected to the eighth transceiver port TRx8 to the fourteenth transceiver port TRx14 for selectively conducting the low-frequency amplifier circuit PA1, the high-frequency amplifier circuit PA2, the first A path between any one of the transceiver port TRx1 to the fourteenth transceiver port TRx14 and the multiplexing antenna terminal ANT;

The first transceiver port TRx1 to the fourteenth transceiver port TRx14 are used for accessing 3G/4G/5G signals.

The signal processing circuit of the above-mentioned transmitting module 10 can process GSM low-frequency signals and GSM high-frequency signals for processing, and can also access 3G/4G/5G signals through an additional transceiver interface, and select any signal for transmission through the selection switch ANTENNA SWITCH , to adapt to the transmission of various signals.

In the current solution, the current transmitting module 10 only supports GSM signal power amplification, and single signal transmission of GSM signal or 3G/4G/5G signal, and its function is relatively single. To realize complex functions such as ENDC (E-UTRA and New radio Dual Connectivity, dual connection between 4G wireless access network and 5G NR), it needs to be combined with multiple MMPA modules, and the system cost is high.

In view of the above problems, as shown in Figure 2, the embodiment of the present application provides a launch module 10, including:

The middle and high frequency amplifying circuit 100 is configured to receive the Global System for Mobile Communications GSM high frequency transmission signal (GSM HB_IN in the figure) of the radio frequency transceiver 1010 through the first selector switch 310, and to the GSM high frequency transmission signal (in the figure GSM HB_IN) is amplified, through the second selection switch 320, the first filter 410, the noise reduction unit 500, the third selection switch 330, and the first coupler 610 output to the mid-high frequency antenna multiplexing port P1; It is configured to receive the target intermediate frequency transmission signal (MB_IN in the figure) of the radio frequency transceiver 1010 through the first selection switch 310, and perform amplification processing on the target intermediate frequency transmission signal (MB_IN in the figure), through the The second selection switch 320 outputs to the target intermediate frequency transmission port, and the target intermediate frequency transmission signal (MB_IN in the figure) is a target intermediate frequency signal, and the target intermediate frequency signal includes the third generation 3G network, the fourth generation 4G network, the fifth generation The intermediate frequency signal of any network in the 5G network;

The GSM low-frequency amplifying circuit 200 is configured to receive the GSM low-frequency transmission signal of the radio frequency transceiver 1010, and amplify the GSM low-frequency transmission signal, and pass through the second filter 420, the fourth selection switch 340, the second coupling The output of the device 620 is sent to the low-frequency antenna multiplexing port P2.

In some embodiments, please refer to FIG. 3 , wherein the first selection switch 310 is an SPDT switch, the P port of the first selection switch 310 is connected to the input end of the mid-high frequency amplifier circuit 100, and the two T ports Connect respectively two ports for receiving the GSM high-frequency transmission signal (GSM HB_IN among the figures) and the target intermediate frequency transmission signal (MB_IN among the figures); the second selection switch 320 is an SPXT switch, and X is An integer greater than 1, the P port of the SPXT switch is connected to the output end of the mid-high frequency amplifier circuit 100, the first T port is connected to the first filter 410, and the second to Xth T ports are connected to all The target intermediate frequency sending port; the third selection switch 330 is a SPYT switch, Y is an integer greater than 1, the P port of the SPYT switch is connected to the first coupler 610, and the first T port is connected to the noise reduction Unit 500, the second to Yth T ports are connected to the medium and high frequency transceiver ports of the transmitting module 10 in one-to-one correspondence; the fourth selection switch 340 is an SPZT switch, Z is an integer greater than 1, and the SPZT switch The P port is connected to the second coupler 620, the first T port is connected to the second filter 420, and the second to Zth T ports are connected to the target low-frequency transceiver port of the transmitting module 10 in one-to-one correspondence. (It is any one of LB TRX1 to LB TRX6 in the figure).

Wherein, the full English name of the P port in the present application is Port (polarization) port, the appellation used for the port connecting the antenna in the multiplex switch in the present application, and the full English name of the T port is Throw (throwing, throwing), in the present application The name used for the port connected to the radio frequency module in the multiplex switch, such as 4P4T switch.

In some embodiments, please refer to FIG. 3, the fifth selection switch 350 is configured to selectively receive the GSM high-frequency transmission signal (GSM HB_IN in the figure) from the first coupler 610, the The first power information of at least one signal of the target medium-high frequency signal, the target medium-frequency transmission signal (MB_IN in the figure), or the first power information of the GSM low-frequency transmission signal/the target low-frequency signal received from the second coupler 620 Two power information, and output the first power information or the second power information through the coupling port P3;

Exemplary, the GSM low-frequency amplifying circuit 200 is specifically used for amplifying the GSM low-frequency signal; the mid-high frequency amplifying circuit 100 is specifically used for the GSM high-frequency transmitting signal (GSM HB_IN among the figures) and the target intermediate frequency transmitting signal (MB_IN among the figures). ) to zoom in.

For example, when the third selection switch 330 is switched to the second to Yth T ports, one of the paths between the medium and high frequency transceiver port and the medium and high frequency antenna multiplexing port P1 is turned on, thereby realizing The target medium-high frequency signal transmission function from the medium-high frequency transceiver port to the medium-high frequency antenna multiplexing port P1, or realize the target medium-high frequency signal transmission from the medium-high frequency antenna multiplexing port P1 to the medium-high frequency transceiver port Function.

Exemplarily, when the fourth switch is switched to the second to Zth T ports, one of the paths between the target low-frequency transceiver port and the low-frequency antenna multiplexing port P2 is turned on, thereby achieving The signal transmitting function from the target low-frequency transceiver port to the low-frequency antenna multiplexing port P2, or the signal transmitting function from the low-frequency antenna multiplexing port P2 to the target low-frequency transmitting and receiving port.

Exemplary, described first coupler 610 is except for the GSM high-frequency transmission signal (GSM HB_IN among the figure) that is used for described medium-high frequency antenna multiplexing port P1 and described medium-high frequency transceiver port/radio frequency transceiver 1010 to transmit The target intermediate frequency transmit signal (MB_IN among the figures) that the radio frequency transceiver 1010 transmits is coupled, and is also used to detect the GSM high frequency transmit signal (GSM HB_IN among the figures), the target medium and high frequency signal, and the target intermediate frequency transmit signal ( In the figure is the first power information of at least one signal in MB_IN).

Exemplarily, the second coupler 620 is not only used for coupling the GSM low-frequency signal transmitted by the radio frequency transceiver 1010, but also used for detecting the second power information of the GSM low-frequency transmission signal/the target low-frequency signal.

Exemplary, described GSM low-frequency transmission signal, GSM high-frequency transmission signal (GSM HB_IN among the figure) is 2G network, and described target high-frequency signal, target intermediate frequency signal, target low-frequency signal, target medium-high frequency signal all comprise 3G network, Any signal of 4G network, 5G network signal. Table 1 shows the frequency band division of signals of 2G network, 3G network, 4G network, and 5G network.

Table 1

Exemplarily, the GSM low-frequency transmission signal includes GSM850, GSM900 and other frequency band signals. The GSM high-frequency transmission signal (GSM HB_IN in the figure) includes frequency band signals such as GSM1800 and GSM1900. The target high-frequency signal includes a high-frequency signal of any network in a 3G network, a 4G network, or a 5G network, and the target intermediate-frequency signal includes an intermediate-frequency signal of any network in a 3G network, a 4G network, or a 5G network. The signal includes a low-frequency signal of any one of a 3G network, a 4G network, and a 5G network, and the target medium-high frequency signal includes a target medium-frequency signal or a target high-frequency signal.

It should be noted that the 5G network will continue to use the frequency band used by 4G, and only the identification before the serial number will be changed. In addition, the 5G network has added some ultra-high frequency bands that are not available in the 4G network, such as N77, N78, and N79.

As an example, the noise reduction unit 500 includes ISM NOTCH, which is used to optimize the interference of the wireless high-fidelity Wi-Fi signal to the GSM 1800/1900 signal, etc., and improve the signal quality.

It can be seen that in the embodiment of the present application, the transmitting module 10 cooperates with the corresponding amplifying circuit by setting the medium and high frequency transceiver port, the target medium frequency transmission port, the medium and high frequency antenna multiplexing port P1, the low frequency antenna multiplexing port P2, and the target low frequency transmitting and receiving port. and selector switch to realize the emission of various signals such as GSM low frequency signal, GSM high frequency signal, target low frequency signal, target intermediate frequency signal and target medium and high frequency signal; The first power information and the second power information are selected by the fifth selection switch 350 to output through the single coupling port, which achieves the purpose of signal power detection and enriches the functions of the transmitting module 10 .

In some embodiments, as shown in FIG. 4, the second selection switch 320 is an SP4T switch, the P port of the SP4T switch is connected to the output end of the mid-high frequency amplifier circuit 100, and the first T of the SP4T switch The port is connected to the first end of the first filter 410, and the 2nd to the 4th T ports of the SP4T switch are connected to two ports of the target intermediate frequency sending port of the transmitting module 10 in one-to-one correspondence (in the figure for MB TX1 and MB TX2). In some embodiments, as shown in FIG. 3 , the third selection switch 330 is an SP10T switch, the P port of the SP10T switch is connected to the first end of the first coupler 610, and the first T port is connected to all The output end of the noise reduction unit 500, the second to the tenth T ports are connected to the 8 ports of the medium and high frequency transceiver ports of the transmitting module 10 one by one (MHB TRX1-MHB TRX9 in the figure).

It can be seen that in this embodiment, the switching of 10 signals can be realized by the third selector switch 330, and the 10 signals are received or sent respectively; MB_IN) and GSM high-frequency transmission signal (GSM HB_IN in the picture).

In some embodiments, as shown in FIG. 4, the fourth selection switch 340 is an SP7T switch, the P port of the SP7T switch is connected to the first end of the second coupler 620, and the first T port is connected to the The output end of the second filter 420, the second to the seventh T ports are connected to 6 ports (respectively LB TRX1-LBTRX6 in the figure) of the target low-frequency transceiver port of the transmitting module 10 one by one.

Visible, in the present embodiment, can realize the switching of 7 signals by the 4th selection switch 340, and receive or send described 7 signals respectively; Described 7 signals comprise target low-frequency signal and GSM high-frequency transmission signal (in the figure for GSM HB_IN).

In some embodiments, as shown in FIG. 4 , the fifth selection switch 350 is an SPDT switch, the P port of the fifth selection switch 350 is connected to the coupling port P3, and the two T ports are respectively connected to the first coupler The second end of 610 and the second end of the second coupler 620 .

It can be seen that, in the present embodiment, at least one of the GSM high-frequency transmission signal (GSM HB_IN in the figure), the target medium-high frequency signal, and the target medium-frequency transmission signal (MB_IN in the figure) can be realized by the fifth selector switch 350. The first power information of the signal or the output of the second power information of the GSM low-frequency transmission signal/the target low-frequency signal, so as to perform corresponding operations through external equipment, devices or devices, and the operations can be statistics, judgments, calculation etc.

The medium and high frequency transceiver port can be connected to the medium and high frequency receiving module/medium and high frequency transmitting module, and the target low frequency transmitting and receiving port can be connected to the low frequency receiving module/low frequency transmitting module, and the medium and high frequency receiving module is used to receive the target medium and high frequency signal , the medium and high frequency transmitting module is used to transmit target medium and high frequency signals, the low frequency receiving module is used to receive low frequency signals, the low frequency transmitting module is used to transmit low frequency signals, and the low frequency signals include GSM low frequency signals and target low frequency signals ; The two high-frequency transceiver ports are connected to the fourth antenna 92 unit (for example: high-frequency antenna unit). The mid-high frequency antenna multiplexing port P1 is connected to the first antenna unit 70 (for example: mid-high frequency antenna unit), the low-frequency antenna multiplexing port P2 is connected to the second antenna unit 80 (for example: low-frequency antenna unit), and the target intermediate frequency The sending port is connected to the third antenna unit 90 (for example, an intermediate frequency antenna unit).

Wherein, the medium and high frequency receiving module/medium and high frequency transmitting module 10/low frequency receiving module/low frequency transmitting module 10 can be, for example, a radio frequency low noise amplifier module (Low noise amplifier front end module, LFEM), and can also be Diversity Receive Module with Antenna Switch Module and SAW (DFEM) with antenna switch module and filter can also be a multi-band Low Noise Amplifier (Multi band Low Noise Amplifier, MLNA), etc.

It can be seen that in this example, the transmitting module 10 supports multi-channel flexible processing of radio frequency signals in the low frequency band, the middle frequency band and the high frequency band.

In some embodiments, as shown in FIGS. 2-4 , the mid-high frequency amplifying circuit 100 includes a first mid-high frequency power amplifier, a mid-high frequency matching circuit, and a second mid-high frequency power amplifier. The first mid-high frequency power amplifier The input end of the first selection switch 310 is connected to the P port of the first selection switch 310, the output end of the first mid-high frequency power amplifier is connected to the input end of the mid-high frequency matching circuit, and the output end of the mid-high frequency matching circuit is connected to the first The input end of the second mid-high frequency power amplifier, the output end of the second mid-high frequency power amplifier is connected to the P port of the second selection switch 320 .

It can be seen that in this embodiment, the mid-high frequency amplifying circuit 100 realizes power amplification processing of the target mid-frequency transmit signal (MB_IN in the figure) and the GSM high-frequency transmit signal (GSM HB_IN in the figure).

The mid-high frequency amplifying circuit 100 of the example can also include a single mid-high frequency power amplifier, so as to realize performing power on the target intermediate frequency transmission signal (MB_IN in the figure) and the GSM high frequency transmission signal (GSM HB_IN in the figure). Zoom in. The input end of the single mid-high frequency power amplifier is connected to the P port of the first selection switch 310 , and the output end of the single mid-high frequency power amplifier is connected to the P port of the second selection switch 320 .

It can be seen that in this embodiment, the setting of a single power amplifier simplifies the circuit structure, reduces the cost and improves the space utilization; and the specific implementation of the medium and high frequency amplifier circuit 100 can be various, and there is no unique limitation here.

In some embodiments, as shown in FIG. 4 , the GSM low-frequency amplifying circuit 200 includes a first GSM low-frequency power amplifier, a GSM low-frequency matching circuit, and a second GSM low-frequency power amplifier, and the input terminal of the first GSM low-frequency power amplifier Connect the GSM low-frequency receiving port P6 of the transmitting module 10, the output of the first GSM low-frequency power amplifier is connected to the input of the GSM low-frequency matching circuit, and the output of the GSM low-frequency matching circuit is connected to the second The input end of the GSM low-frequency power amplifier, and the output end of the second GSM low-frequency power amplifier are connected to the first end of the second filter 420 .

It can be seen that in this embodiment, the GSM low-frequency amplifying circuit 200 realizes the power amplification processing of the GSM low-frequency transmission signal.

As an example, the GSM low-frequency amplifying circuit 200 may also include a single GSM low-frequency power amplifier, so as to implement power amplification processing on the GSM low-frequency transmission signal. The input end of the single GSM low-frequency power amplifier is connected to the GSM low-frequency receiving end of the transmitting module 10 , and the output end of the GSM low-frequency power amplifier is connected to one end of the second filter 420 .

It can be seen that, in this embodiment, the configuration of a single power amplifier simplifies the circuit structure, reduces costs and improves space utilization; moreover, the specific implementation manners of the GSM low-frequency amplifying circuit 200 can be various, and there is no unique limitation here.

In some embodiments, as shown in FIG. 4 , the transmitting module 10 is also configured with a VCC power supply port; After the power ports of the first mid-high frequency power amplifier, the second mid-high frequency power amplifier, the first GSM low frequency power amplifier in the GSM low frequency amplifying circuit 200, and the second GSM low frequency power amplifier are combined internal ports.

For example, a Capacitor switch circuit 700 is connected in parallel between the combiner port and the VCC power supply port, the Capacitor switch circuit 700 includes a capacitor C1 and a switch K1, and the capacitor C1 is connected to the first end of the switch K1, The second end of the switch K1 is connected to the system ground;

As an example, the switch K1 is used to be controlled to be turned on when the transmitter module 10 is in the GSM working state, so that the capacitor C1 can stabilize the signal of the VCC power port; The transmitting module 10 is controlled to be disconnected when it is in the MB working state, so as to prevent the capacitance from affecting the detection results of automatic power tracking APT or envelope tracking ET.

It can be seen that in this embodiment, the power supply to the mid-high frequency amplifier circuit 100 and the GSM low frequency amplifier circuit 200 is realized through the VCC power supply port, and the power supply is realized when the transmitter module 10 is in the GSM working state through the Capacitor switch circuit. It is turned on and turned off when the MB is working, so as to prevent the capacitance from affecting the detection results of automatic power tracking APT or envelope tracking ET.

In some embodiments, as shown in FIG. 4 , the VCC port is also connected to the power supply module 20 , and the input voltage of the power supply module 20 can be the output voltage of the battery unit, generally between 3.6V-4.2V. By using the first power supply voltage and the second power supply voltage to power each amplifying circuit, it is possible to avoid adding a boost circuit in the power supply module 20 to reduce the cost of each power supply module 20 .

Specifically, the power supply module 20 may be a power management chip (Power management IC, PMIC). When the radio frequency signal is amplified by means of power combining, a PMIC without a boost circuit can be used to supply power to each amplifying unit.

For example, the first power supply voltage and the second power supply voltage may be equal or different. In the embodiment of the present application, there is no unique limitation on the size of the first power supply voltage and the second power supply voltage, which may be based on communication requirements and/or The specific structure of each amplifier circuit is set. In addition, the power supply module 20 may include RF PMIC#1. RF PMIC#1 does not include a boost circuit, that is, the output voltage of RF PMIC#1 is less than or equal to the input voltage of RF PMIC#1.

In some embodiments, as shown in FIG. 4 , the power supply module 20 may include a step-down power supply (Buck Source), and the supply voltage Vcc at the output terminal of the step-down power supply is less than or equal to 3.6V. A step-down power supply can be understood as an output voltage lower than the input voltage, that is, a step-down adjustable regulated DC power supply.

In some embodiments, as shown in Figure 4, the transmitting module 10 is also configured with SDATA port, SCLK port, VIO port, VBAT port, Vramp port; the transmitting module 10 also includes:

The controller 301 is connected to the SDATA port (SDA in the figure), SCLK port (SCL in the figure), the VIO port, the VBAT port, and the Vramp port, for receiving the SDATA port, the The mobile processor industrial interface bus MIPI BUS control signal of SCLK port receives the MIPI power supply signal of the VIO port, receives the bias voltage signal of the VBAT port, and receives the Vramp signal of the Vramp port.

As shown in Figure 5, the embodiment of the present application provides another launch module 10, including:

The selective amplification sub-module is used to selectively receive the GSM high-frequency transmission signal from the radio frequency transceiver 1010, and amplify the GSM high-frequency transmission signal, and output it to the medium-high frequency antenna multiplexing port P1; or, use Selecting to receive the target intermediate frequency transmission signal from the radio frequency transceiver 1010, amplifying the target intermediate frequency transmission signal, and outputting it to the target intermediate frequency transmission port, the target intermediate frequency transmission signal is a target intermediate frequency signal, and the target The intermediate frequency signal includes the intermediate frequency signal of any network in the 3G network, 4G network, and 5G network;

The GSM low-frequency amplifying unit is used to receive the GSM low-frequency transmission signal from the radio frequency transceiver 1010, and amplify the GSM low-frequency transmission signal, and output it to the low-frequency antenna multiplexing port P2.

Exemplarily, the selective amplification word module receives the GSM high frequency transmission signal and the target intermediate frequency transmission signal respectively through different interfaces, and only receives the GSM high frequency transmission signal and the target intermediate frequency transmission signal at the same time one of the signals.

It can be seen that in the embodiment of the present application, the transmitting module 10 cooperates with the corresponding amplifying circuit by setting the medium and high frequency transceiver port, the target medium frequency transmission port, the medium and high frequency antenna multiplexing port P1, the low frequency antenna multiplexing port P2, and the target low frequency transmitting and receiving port. and selection switch to realize the emission of various signals such as GSM low-frequency signal, GSM high-frequency signal, target low-frequency signal, target medium-frequency signal and target medium-high frequency signal.

In some embodiments, the selective amplification sub-module includes:

The first selection switch 310 is connected to the input end of the medium-high frequency amplifying unit 110, and is used to select and receive the GSM high-frequency transmission signal (GSM HB_IN among the figures) or the target intermediate frequency transmission signal (MB_IN among the figures) from the radio frequency transceiver 1010, The target intermediate frequency transmission signal (MB_IN in the figure) is a target intermediate frequency signal, and the target intermediate frequency signal includes an intermediate frequency signal of any network in a 3G network, a 4G network, or a 5G network;

The mid-high frequency amplifying unit 110 is connected to a second selection switch 320 for amplifying the target intermediate frequency transmission signal (MB_IN in the figure), and outputting it to the target intermediate frequency transmission port through the second selection switch 320; Or, it is used to amplify the GSM high-frequency transmission signal (GSM HB_IN in the figure), and pass through the second selection switch 320, the first filter 410, the noise reduction unit 500, the third selection switch 330, The output of the first coupler 610 is sent to the multiplexing port P1 of the medium and high frequency antenna.

For example, the mid-high frequency amplifying unit 110 may include a power amplifier to perform power amplification processing on the received radio frequency signal.

Exemplarily, the mid-high frequency amplifying unit 110 may also include a plurality of power amplifiers and a power combining unit, which implements power amplification processing of radio frequency signals by means of power combining and the like.

It can be seen that, in this embodiment, by setting the first selection switch 310 to switch the signal to be received, the selective reception of the GSM high frequency transmission signal and the target intermediate frequency transmission signal is realized.

In some embodiments, the GSM low frequency amplifying unit 210 is configured to output the amplified GSM low frequency transmission signal RF transceiver 1010 to the low frequency through the second filter 420, the fourth selection switch 340, and the second coupler 620. The antenna multiplexes port P2.

Exemplarily, the GSM low-frequency amplifying unit 210 may include a power amplifier to perform power amplification processing on the received radio frequency signal.

As an example, the GSM low-frequency amplifying unit 210 may also include a plurality of power amplifiers and a power combining unit to implement power amplification processing of radio frequency signals by means of power combining and the like.

It can be seen that in this embodiment, the reception of the GSM low-frequency transmission signal is realized through the GSM low-frequency amplifying unit 210, and the GSM low-frequency amplifying unit 210 is coupled with the second filter 420, the fourth selection switch 340, and the second The cooperation of the device 620 and the low-frequency antenna multiplexing port P2 realizes the transmission of the GSM low-frequency transmission signal.

In some embodiments, the launch module 10 also includes:

The fifth selection switch 350 is connected to the coupling port P3 of the first coupler 610 and the second coupler 620, and is used to select and receive the GSM high-frequency transmission signal from the first coupler 610 (in the figure: GSM HB_IN), the first power information of at least one signal in the target mid-high frequency signal, target mid-frequency transmit signal (MB_IN in the figure), or receive the GSM low-frequency transmit signal/all received from the second coupler 620 the second power information of the target low-frequency signal, and output the first power information or the second power information through the coupling port P3 of the transmitting module.

It can be seen that in the embodiment of the present application, the medium-high frequency transceiver port target medium-frequency transmit port medium-high frequency antenna multiplexing port P1 low-frequency antenna multiplexing port P2 target low-frequency transmitting and receiving port detects the first coupler 610 and the second coupler 620 respectively. The first power information and the second power information are selected by the fifth selection switch 350 to output through the single coupling port, which achieves the purpose of signal power detection and enriches the functions of the transmitting module 10 .

As shown in Figure 6, the embodiment of the present application provides another kind of transmitting module 10, is configured with the GSM high-frequency receiving port P5 that is used to receive the GSM high-frequency transmitting signal (GSM HB_IN in the figure) of radio frequency transceiver 1010, uses The target intermediate frequency receiving port P4 for receiving the target intermediate frequency transmission signal (MB_IN in the figure) of the radio frequency transceiver 1010, the GSM low frequency receiving port P6 for receiving the GSM low frequency transmission signal of the radio frequency transceiver 1010, for sending The medium and high frequency antenna multiplexing port P1 of the GSM high frequency transmission signal (GSM HB_IN in the figure)/target intermediate frequency transmission signal (MB_IN in the figure)/target medium and high frequency signal, and for sending the GSM low frequency transmission signal or The low-frequency antenna multiplexing port P2 of the target low-frequency signal, the target intermediate-frequency transmitting port for sending the target intermediate-frequency transmitting signal (MB_IN in the figure), the medium-high frequency transmitting and receiving port for receiving or transmitting the target medium-high frequency signal (in the figure, MB_IN) MHB TRX1 to MHB TRX8), for receiving or sending the target low-frequency transceiver port of the target low-frequency signal (LB TRX1 to LB TRX6 in the figure), for sending the first power information or the second power generated by the transmitting module 10 Information coupling port P3, the target intermediate frequency transmission signal (MB_IN in the figure) is a target intermediate frequency signal, the target medium and high frequency signal includes the target intermediate frequency signal or target high frequency signal, and the target high frequency signal includes the target The high-frequency signal of any network in the 3G network, the 4G network, and the 5G network, the target intermediate-frequency signal includes an intermediate-frequency signal of any network in the 3G network, the 4G network, and the 5G network, and the target low-frequency signal includes the The low-frequency signal of any network in the 3G network, the 4G network, or the 5G network; the transmitting module 10 includes:

The first selection switch 310 is an SPDT switch, one T port of the first selection switch 310 is connected to the GSM high-frequency receiving port P5, and the other T port is connected to the target intermediate frequency receiving port P4 for selecting to receive the GSM high-frequency transmission signal (GSM HB_IN in the figure) or the target intermediate frequency transmission signal (MB_IN in the figure);

Middle and high frequency amplifying circuit 100, connect the P port of described first selector switch 310, be used for the described GSM high frequency transmitting signal (being GSM HB_IN among the figure) or described target intermediate frequency transmitting signal (MB_IN among the figure) to the receiving carry out magnification processing;

The second selection switch 320 is an SPXT switch, X is an integer greater than 1, the P port of the SPXT switch is connected to the output end of the mid-high frequency amplifying circuit 100, and the first T port is connected to the first filter 410, step-down successively. Noise unit 500, the third selector switch 330, the first coupler 610 and the multiplexing port P1 of the medium-high frequency antenna are used to output the GSM high-frequency transmission signal (GSM HB_IN among the figures) to the multiplexing of the medium-high frequency antenna Port P1, the second to the Xth T port are connected to the target IF transmission port one by one, and are used to output the target IF transmission signal (MB_IN in the figure) to any target IF transmission port;

The third selection switch 330 is a SPYT switch, Y is an integer greater than 1, the P port of the SPYT switch is connected to the first end of the first coupler 610, the first T port is connected to the noise reduction unit 500 connections, the second to Yth T ports are connected to the medium and high frequency transceiver ports of the transmitting module 10 in one-to-one correspondence;

GSM low-frequency amplifying circuit 200, connected to the GSM low-frequency receiving port P6, for amplifying the received GSM low-frequency transmission signal;

A second filter 420, the first end of the second filter 420 is connected to the output end of the GSM low-frequency amplifying circuit 200, for filtering the GSM low-frequency transmission signal;

The fourth selection switch 340 is an SPZT switch, Z is an integer greater than 1, the first T port of the SPZT switch is connected to the second end of the second filter 420, and the second to the Zth T ports are one by one Correspondingly connecting the target low-frequency transceiver port, the P port is connected to the first end of the second coupler 620;

The fifth selection switch 350 is an SPDT switch, one T port of the fifth selection switch 350 is connected to the second end of the first coupler 610, and the other T port is connected to the second end of the second coupler 620 , for selecting to receive at least one of the GSM high-frequency transmission signal (GSM HB_IN in the figure), the target medium-high frequency signal, and the target medium-frequency transmission signal (MB_IN in the figure) from the first coupler 610 The first power information of the signal or the second power information of the GSM low-frequency transmission signal/the target low-frequency signal received from the second coupler 620, the P port of the fifth selection switch 350 is connected to the coupling port P3 connection, configured to output the first power information or the second power information through the coupling port P3;

Described first coupler 610, the 3rd end of described first coupler 610 is connected described mid-high frequency antenna multiplexing port P1, is used for detecting described GSM high-frequency transmission signal (GSM HB_IN among the figure), described The first power information of at least one signal among the target medium-high frequency signal and the target medium-frequency transmit signal (MB_IN in the figure), and output the first power information sequentially through the fifth selection switch 350 and the coupling port P3 ;

The second coupler 620, the third end of the second coupler 620 is connected to the low-frequency antenna multiplexing port P2 for detecting the second power information of the GSM low-frequency transmission signal/the target low-frequency signal, and outputting the second power information sequentially through the fifth selection switch 350 and the coupling port P3.

It should be noted that the number of T ports of the third selection switch 330, the fourth selection switch 340, and the fifth selection switch 350 can be set according to the number of signals that the transmission module needs to receive or send, For example, 6, 7, 10, etc.

As an example, as shown in Figure 7, the embodiment of the present application provides a schematic structural diagram of a transmitting module 10, which includes a low-frequency processing circuit and related ports, a high-frequency processing circuit and related ports as shown in Figure 1B. In addition to ports and controllers, there are also 8 medium and high frequency transceiver ports (MB TRX1-MB TRX8) for receiving medium and high frequency signals, and 6 low frequency transceiver ports for receiving low frequency signals (LB TRX1-LB in the figure TRX6), medium and high frequency antenna multiplexing port P1MHB Ant Port for sending and receiving medium and high frequency signals, low frequency antenna multiplexing port P2LB Ant Port for transmitting and receiving low frequency signals, intermediate frequency signal receiving port for receiving intermediate frequency signals sent by RF transceivers MB_IN, the first intermediate frequency signal transmission port MB TX1 and the second intermediate frequency signal transmission port MB TX2 for sending intermediate frequency signals; the transmitting module also includes:

Medium and high frequency amplifier circuit 2G MB&4G MB PA, first selection switch W1, second selection switch W2, third selection switch W3, fourth selection switch W4, fifth selection switch W5, first coupler A1 and second coupler A2 ;

The medium and high frequency amplifying circuit 2G MB&4G MB PA, the input end is connected to the first selection switch W1, the output end is connected to the second selection switch W2, and the power supply end is connected to the power supply port VCC, which is used to perform power amplification processing on the intermediate frequency signal or the GSM high frequency signal ;

The first selection switch W1 is an SPDT switch, the two T ports are respectively connected to the intermediate frequency signal receiving port MB_IN and the high frequency signal receiving port, and the P port is connected to the input end of the medium and high frequency amplifier circuit 2G MB&4G MB PA for selective conduction The path between the intermediate frequency signal receiving port MB_IN or the high frequency signal receiving port and the medium and high frequency amplifier circuit 2G MB & 4G MB PA;

The second selection switch W2 is an SP3T switch, the P port is connected to the output end of the medium and high frequency amplifier circuit 2G MB & 4G MB PA, and the first and second T ports are respectively connected to the first intermediate frequency signal sending port MB TX1 and the The second intermediate frequency signal transmission port MB TX2 is used to selectively conduct the connection between the first intermediate frequency signal transmission port MB TX1 or the second intermediate frequency signal transmission port MB TX2 and the medium and high frequency amplifier circuit 2G MB & 4G MB PA path;

The third selection switch W3 is an SP9T switch, the P port is connected to the first end of the first coupler A1, and the first to eighth T ports are connected to 8 medium and high frequency transceiver ports (MB TRX1-MB TRX8) one by one. The ninth T port is connected to the output end of the noise reduction unit ISM Notch, and is used to selectively conduct any path between the 8 medium and high frequency transceiver ports and the noise reduction unit ISM Notch and the first coupler A1;

The fourth selection switch W4 is an SP7T switch, the P port is connected to the first end of the second coupler A2, the first T port is connected to the output end of the low-frequency matching circuit match/fliter, the second T port to the seventh T port Connect 6 low-frequency transceiver ports (LB TRX1-LB TRX6 in the figure) in one-to-one correspondence, for selectively conducting the connection between the low-frequency matching circuit match/fliter and the 6 low-frequency transceiver ports and the second coupler A2 any path between

The fifth selection switch W5 is an SPDT switch, the P port is connected to the coupling port P3CPL, the first T port is connected to the second end of the first coupler A1, and the second T port is connected to the second end of the second coupler A2 , for selectively receiving the first power signal in the first coupler A1 or the second power information in the second coupler A2, and sending it through the coupling port P3CPL;

The first coupling port P3CPL, the third end of the second coupler A2 is connected to the high-frequency antenna multiplexing port MHB Ant Port for detecting the GSM high-frequency transmission signal, the medium-high frequency signal, and the intermediate-frequency signal First power information of at least one signal, and outputting the first power information sequentially through the fifth selection switch W5350 and the coupling port P3CPL;

The second coupler A2, the third end of the second coupler A2 is connected to the low-frequency antenna multiplexing port P2LB Ant Port, for detecting the second power of the GSM low-frequency transmission signal/the target low-frequency signal information, and output the second power information sequentially through the fifth selection switch W5350 and the coupling port P3CPL.

As shown in Figure 8, the embodiment of the present application provides a radio frequency system 1, including:

radio frequency transceiver 1010;

The transmitting module 10 as described in FIGS. 2 to 7, the transmitting module 10 is connected to the radio frequency transceiver 1010;

Antenna set, including at least:

The first antenna unit 70 is connected to the medium and high frequency antenna multiplexing port P1 of the transmitting module 10;

The second antenna unit 80 is connected to the low-frequency antenna multiplexing port P2 of the transmitting module 10;

The third antenna unit 90 is connected to the target intermediate frequency sending port of the transmitting module 10 (MB TRX1 and MB TRX2 in the figure).

Exemplarily, the mid-high frequency antenna multiplexing port P1 receives or transmits target medium-high frequency signals and GSM high-frequency signals through the first antenna unit 70; the low-frequency antenna multiplexing port P2 receives through the second antenna unit 80 Or transmit a GSM low-frequency signal and a target low-frequency signal; the target intermediate-frequency transmission port receives or transmits a target intermediate-frequency transmission signal (MB_IN in the figure) through the third antenna unit 90 .

It can be seen that in the embodiment of the present application, the transmitting module 10 is configured by setting the medium and high frequency transceiver ports (MHB TRX1 to MHB TRX8 in the figure), the target medium frequency transmission port, the medium and high frequency antenna multiplexing port P1, and the low frequency antenna multiplexing port P2 , target low-frequency transceiver ports (LB TRX1 to LB TRX6 in the figure) cooperate with corresponding amplifying circuits and selector switches to realize multiple detection of GSM low-frequency signals, GSM high-frequency signals, target low-frequency signals, target intermediate-frequency signals, and target medium-high frequency signals, etc. Signal transmission; at the same time, the first power information and the second power information are respectively detected by the first coupler 610 and the second coupler 620, and the power information to be output is selected by the fifth selection switch 350 and output through the coupling single port, and the signal is achieved. The purpose of power detection enriches the functions of the transmitting module 10 .

In some embodiments, as shown in FIG. 9 , the first antenna unit 70 includes: a first antenna 71 connected to the multiplexing port P1 of the mid-high frequency antenna.

For example, the first antenna 71 is a medium-high frequency antenna, supporting target medium-high frequency signals, such as N1900MHz, B1, N1, GSM1800, 2100MHz, B7, N7, and can support signals of multiple frequency bands.

In some embodiments, as shown in FIG. 9 , the second antenna unit 80 includes: a second antenna 81 connected to the multiplexing port P2 of the low-frequency antenna.

Exemplarily, the second antenna 81 is a low-frequency antenna, supporting low-frequency signals, such as GSM850/GSM900/850MHZ/B5/N5.

In some embodiments, as shown in FIG. 9, the third antenna unit 90 includes: a third antenna 91 connected to the first target intermediate frequency transmission port MB TRX1; a fourth antenna 92 connected to the second target intermediate frequency transmission port MB TRX2 .

Exemplarily, the third antenna 91 and the fourth antenna 92 are intermediate frequency antennas, supporting intermediate frequency signals, such as 1900MHZ/B1/N1. It should be noted that the number of antennas in the third antenna unit 90 can be set according to the number of target intermediate frequency transmission signals (MB_IN in the figure) to be received or transmitted by the transmitting module, for example, 2, 3 etc., no unique limitation is made here.

It can be seen that, in this example, multiple antennas are set independently, which can realize the transmission of low, medium and high frequency signals.

In some embodiments, as shown in FIG. 9 , the radio frequency system 1 further includes: a target medium-high frequency filtering and isolation unit 30 connected to the medium-high frequency transceiver port for filtering and isolating target medium-high frequency signals; The mid-high frequency amplifying circuit 50 is connected to the target mid-high frequency filter and isolation unit 30 for amplifying the target mid-high frequency signal; the target low-frequency filter and isolation unit 40 is connected to the target low-frequency transceiver port for amplifying the target mid-high frequency signal. The target low frequency signal is filtered and isolated; the target low frequency amplifying circuit 60 is connected to the target low frequency filtering and isolation unit 40 for amplifying the target low frequency signal.

Exemplary, described mid-high frequency transceiving port comprises a plurality of ports (MHB TRX1 to MHB TRX8 in the figure), each port is connected to a target mid-high frequency filtering and isolation unit 30 one by one, and then described target mid-high frequency filtering and isolation The units 30 are connected to one of the target mid-high frequency amplifying circuits 50 one by one, so as to receive the target mid-high frequency signal from the mid-high frequency transceiving port to the target mid-high frequency amplifying circuit 50 for processing.

As an example, the low-frequency transceiver port includes a plurality of target low-frequency transceiver ports (any one of LB TRX1 to LB TRX6 in the figure), and each target low-frequency transceiver port is connected to a target low-frequency filter and isolation unit 40 one by one, and then the The target low-frequency filtering and isolation unit 40 is connected to one of the target low-frequency amplifying circuits 60 one by one, so as to receive low-frequency signals from the target low-frequency transceiving port to the target low-frequency amplifying circuit 60 for processing.

It can be seen that, in this embodiment, it is possible to receive target medium and high frequency signals from the transmitting module 10 .

In some embodiments, as shown in Figure 10, the target medium and high frequency filtering and isolation unit 30 includes: a third filter 31, connected to the medium and high frequency transceiver ports (MHB TRX1 to MHB TRX8 in the figure), for all The target mid-high frequency signal is filtered; the first duplexer 32 is connected to the third filter 31 for isolating the mid-high frequency transmit signal and the mid-high frequency receive signal; wherein, the mid-high frequency transmit signal and the mid-high frequency The received signals are all medium and high frequency signals of the target.

Further, the target low-frequency filtering and isolation unit 40 includes: a fourth filter 41, connected to a low-frequency transceiver port (LB TRX1 to LB TRX6 in the figure), for filtering the target low-frequency signal; a second duplexer 42 , connected to a fourth filter 41 for isolating the target low-frequency transmit signal and the target low-frequency receive signal.

Wherein, the target low-frequency transmitting signal and the target low-frequency receiving signal are both the target low-frequency signal.

Exemplarily, the mid-high frequency amplifying circuit 100 may include a target intermediate frequency amplifying circuit and a target high frequency amplifying circuit, for example, the target intermediate frequency amplifying circuit includes a target intermediate frequency transmitting circuit and a target intermediate frequency receiving circuit, and the target high frequency amplifying circuit for example It includes a target high-frequency transmitting circuit and a target high-frequency receiving circuit. The target intermediate-frequency transmitting circuit and the target high-frequency transmitting circuit include, for example, power amplifiers. The target intermediate-frequency receiving circuit and target high-frequency receiving circuit include, for example, low-noise filters.

It can be seen that in this example, the transmitting module 10, the target medium and high frequency filtering and isolation unit 30 and the target medium and high frequency amplifying circuit 50 can realize the dual transmission of the target medium frequency transmitting signal (MB_IN in the figure) and the target medium and high frequency signal, and the transmitting module 10. The target low-frequency filtering and isolation unit 40 and the target low-frequency amplifying circuit 60 can realize the dual transmission of the target intermediate-frequency transmission signal (MB_IN in the figure) and the target low-frequency signal, and the target medium-frequency transmission signal (MB_IN in the figure) and the target medium-high frequency signal , The target intermediate frequency transmission signal (MB_IN in the figure) and the target low frequency signal can be configured to achieve dual transmission of 4G signal + 5G signal, that is, to achieve ENDC.

As shown in FIG. 11 , the present application also provides a radio frequency system 1, including: the transmitting module 10 and the multi-mode multi-band power amplifier MMPA module 1020 as described in FIG. 2 to FIG. 6 ;

The transmitting module 10 and the MMPA module 1020 are configured to support the dual connection ENDC of the 4G network and the 5G network between the first frequency band and the second frequency band, and the first frequency band is configured by the transmitting module 10 The frequency band to which the supported target IF signal belongs, the second frequency band is the frequency band to which the target signal supported by the MMPA module 1020 belongs.

For example, the first frequency band may be any frequency band of any signal of the 4G network and the 5G network, and the second frequency band may be any frequency band of the signals of the 4G network and the 5G network. Any frequency band in a signal.

It can be seen that in this embodiment, the MMPA module 1020 and the transmitting module 10 are each responsible for sending and receiving a signal, forming multiple ENDC sending and receiving combinations.

In some embodiments, the MMPA module includes: a target low-frequency transmitting circuit 1024, configured to receive the signal of the third frequency band from the radio frequency transceiver 1010 under the action of the first power supply voltage, and transmit the signal to the third frequency band. The signal of the frequency band is amplified and processed, and is output through the target low frequency output port P14 of this end, and the third frequency band is the frequency band to which the target low frequency signal supported by the MMPA module 1020 belongs; the target intermediate frequency transmitting circuit 1023 is used in Under the action of the second power supply voltage, the target intermediate frequency signal from the radio frequency transceiver 1010 is received, and the target intermediate frequency signal is amplified, and output through the target intermediate frequency output port P13 of the local end; the target high frequency transmitting circuit 1022, It is used to receive the target high-frequency signal from the radio frequency transceiver 1010 under the action of the second power supply voltage, amplify the target high-frequency signal, and output it through the target high-frequency output port P12 of the local end The target ultra-high frequency transmitting circuit 1021 is used to receive the target ultra-high frequency signal from the radio frequency transceiver 1010 under the action of the second power supply voltage, and amplify the target ultra-high frequency signal , output through the target UHF output port P11 of the local end.

Wherein, the power supply circuits of the first power supply voltage and the second power supply voltage are independent of each other.

Exemplarily, the radio frequency system further includes a fourth antenna unit 1030, the fourth antenna unit is respectively connected to the target low frequency transmitting circuit 1024, the target intermediate frequency transmitting circuit 1023, the target high frequency transmitting circuit 1022 and the target super The high-frequency transmitting circuit 1021 is configured to transmit the target low-frequency signal, the target intermediate-frequency signal, the target ultra-high-frequency signal, and the target ultra-high-frequency signal.

It can be seen that, in this embodiment, the MMPA module 1020 supplies power simultaneously through the first power supply voltage and the second power supply voltage, and supports simultaneous transmission of two signals.

In some embodiments, the MMPA module is configured to support ENDC between the third frequency band and the fourth frequency band, and the fourth frequency band is the target intermediate frequency supported by the MMPA module 1020 signal, the target high-frequency signal, and the frequency band to which any one of the target ultra-high frequency signals belongs.

It can be seen that, in this embodiment, the MMPA module 1020 implements ENDC between the third frequency band and the fourth frequency band by supporting simultaneous transmission and reception of the third frequency band and the fourth frequency band.

As shown in Figure 12, this embodiment of the present application provides a communication device A, including:

The RF transceiver 1010 is the RF transceiver 1010 of the RF system 1 as described in FIGS. 8 to 11 .

Exemplarily, the signal sending port and the signal receiving port of each frequency band on the radio frequency transceiver 1010 are respectively connected to the amplification circuit of the corresponding frequency band, specifically, the low frequency signal sending port and the low frequency signal receiving port of the radio frequency transceiver 1010 ( In the figure, two ports are merged and embodied as GSM LB_IN transceiver port) can be connected to GSM low-frequency amplifying circuit 200, and the intermediate frequency signal sending port and intermediate frequency signal receiving port of the radio frequency transceiver 1010 (in the figure, two ports are merged and embodied as MB_IN transceiver port) can be connected to an intermediate frequency amplifying circuit (in this application, specifically, an intermediate and high frequency amplifying circuit 100), the high-frequency signal sending port and the high-frequency signal receiving port of the radio frequency transceiver 1010 (in the figure, the two ports are combined and embodied as GSM HB_IN The transceiver port) can be connected to a high-frequency amplifier circuit (specifically, the medium-high frequency amplifier circuit 100 in this application), and in addition, can also be connected to a signal receiving module to realize the reception of signals in various frequency bands, which is not uniquely limited here.

In some embodiments, the communication device A further includes the MMPA module in the radio frequency system of FIG. 9 , and the MMPA module and the transmitting module are each responsible for sending and receiving a signal, forming a variety of ENDC sending and receiving combinations.

As shown in Figure 13, further, the communication device is a mobile phone 1300 as an example for illustration, specifically, as shown in Figure 13, the mobile phone 1300 may include a memory 131 (which optionally includes one or more computer-readable media), processor 132, communication interface 133, radio frequency system 134, input/output (I/O) subsystem 136. These components optionally communicate via one or more communication buses 139 or signal lines. The mobile phone 1300 may further include a display screen 135, which is used to display a preset user guidance interface/visual interface, etc., and display corresponding information on the corresponding interface. Those skilled in the art can understand that the mobile phone 1300 shown in FIG. 13 is not limited to the mobile phone, and may include more or less components than shown in the figure, or combine certain components, or arrange different components. The various components shown in FIG. 13 are implemented in hardware, software, or a combination of both hardware and software, including one or more signal processing and/or application specific integrated circuits.

Memory 131 optionally includes high-speed random access memory, and optionally also includes non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state memory devices. Exemplarily, the software components stored in the memory 131 include an operating system, a communication module (or an instruction set), a global positioning system (GPS) module (or an instruction set), and the like.

Processor 132 and other control circuits, such as control circuits in radio frequency system 134 , may be used to control the operation of handset 1300 . The processor 132 may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, and the like.

Processor 132 may be configured to implement a control algorithm that controls usage of antennas in handset 1300 . The processor 132 may also issue control commands and the like for controlling switches in the radio frequency system 134 .

I/O subsystem 136 couples input/output peripherals on handset 1300 such as a keypad and other input control devices to communication interface 133 . I/O subsystem 136 optionally includes a touch screen, keys, tone generator, accelerometer (motion sensor), ambient light sensor and other sensors, light emitting diodes and other status indicators, data ports, and the like. Exemplarily, a user may control the operation of handset 1300 by supplying commands via I/O subsystem 136 and may use the output resources of I/O subsystem 136 to receive status information and other output from handset 1300 . For example, the user can turn on the mobile phone 1300 or turn off the mobile phone 1300 by pressing the button 1361 .

The radio frequency system 134 may be the radio frequency system 134 in any of the foregoing embodiments, wherein the radio frequency system 134 may also be used to process radio frequency signals of multiple different frequency bands. For example, satellite positioning radio frequency circuits for receiving satellite positioning signals of 1575MHz, WiFi and Bluetooth transceiver radio frequency circuits for processing IEEE802. 11300MHz, 2100MHz frequency band, and Sub-6G frequency band) cellular phone transceiver radio frequency circuit for wireless communication. Wherein, the Sub-6G frequency band may specifically include a 2.4136GHz-6GHz frequency band and a 3.3GHz-6GHz frequency band.

In addition, the above-mentioned logic instructions in the memory 131 may be implemented in the form of software function units and be stored in a computer-readable storage medium when sold or used as an independent product.

As a computer-readable storage medium, the memory 131 can be configured to store software programs and computer-executable programs, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 132 runs software programs, instructions or modules stored in the memory 131 to execute functional applications and data processing, that is, implement the methods in the above-mentioned embodiments.

The memory 131 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the terminal device, and the like. In addition, the memory 131 may include a high-speed random access memory, and may also include a non-volatile memory. For example, various media that can store program codes such as U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc., can also be temporary state storage medium.

The above examples only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims

A launch module, characterized in that it comprises:

The middle and high frequency amplifying circuit is configured to receive the GSM high-frequency transmission signal of the radio frequency transceiver through the first selection switch, and amplify the GSM high-frequency transmission signal, and pass through the second selection switch and the first filter device, a noise reduction unit, a third selection switch, and the first coupler are output to the mid-high frequency antenna multiplexing port; or, configured to receive the target intermediate frequency transmission signal of the radio frequency transceiver through the first selection switch, and to The target intermediate frequency transmission signal is amplified and output to the target intermediate frequency transmission port through the second selection switch. The target intermediate frequency transmission signal is a target intermediate frequency signal, and the target intermediate frequency signal includes the third generation 3G network, the fourth generation The intermediate frequency signal of any network in the 4G network and the fifth-generation 5G network;

The GSM low-frequency amplifying circuit is configured to receive the GSM low-frequency transmission signal of the radio frequency transceiver, and amplify the GSM low-frequency transmission signal, and output it to the low-frequency transmission signal through the second filter, the fourth selection switch, and the second coupler Antenna multiplexing port.
The transmitting module according to claim 1, wherein the first selection switch is an SPDT switch, the P port of the first selection switch is connected to the input end of the mid-high frequency amplifier circuit, and the two T ports are respectively Connecting two ports for receiving the GSM high frequency transmission signal and the target intermediate frequency transmission signal;

The second selection switch is an SPXT switch, X is an integer greater than 1, the P port of the SPXT switch is connected to the output end of the mid-high frequency amplifier circuit, the first T port is connected to the first filter, and the first T port is connected to the first filter. The second to the Xth T port are connected to the target IF sending port;

The third selection switch is a SPYT switch, Y is an integer greater than 1, the P port of the SPYT switch is connected to the first coupler, the first T port is connected to the noise reduction unit, and the second to the Yth T ports are connected to the medium and high frequency transceiver ports of the transmitting module one by one;

The fourth selection switch is an SPZT switch, Z is an integer greater than 1, the P port of the SPZT switch is connected to the second coupler, the first T port is connected to the second filter, and the second to the second The Z T ports are connected to the target low-frequency transceiver ports of the transmitting module in one-to-one correspondence.
The transmitting module according to claim 2, characterized in that it comprises: a fifth selection switch configured to selectively receive the GSM high-frequency transmission signal from the first coupler, the target medium-high frequency signal, The first power information of at least one signal in the target intermediate frequency transmission signal or the second power information of the GSM low frequency transmission signal/the target low frequency signal received from the second coupler, and the first power information Or the second power information is output through the coupling port, and the target low-frequency signal is a low-frequency signal of any one of the 3G network, the 4G network, and the 5G network.
The transmitting module according to any one of claims 1-3, wherein the third selection switch is an SP10T switch, the P port of the SP10T switch is connected to the first coupler, and the first T port The noise reduction unit is connected, and the second to tenth T ports are connected to the medium and high frequency transceiver ports of the transmitting module in one-to-one correspondence.
The transmitting module according to claim 4, wherein the fourth selection switch is an SP7T switch, the P port of the SP7T switch is connected to the second coupler, and the first T port is connected to the second coupler. The second to seventh T ports of the filter are connected to the target low-frequency transceiver ports of the transmitting module in one-to-one correspondence.
The transmitting module according to claim 5, wherein the fifth selection switch is an SPDT switch, the P port of the fifth selection switch is connected to the coupling port, and the two T ports are respectively connected to the first coupler and the Describe the second coupler.
The transmitting module according to claim 6, wherein the second selection switch is an SP4T switch, the P port of the SP4T switch is connected to the output terminal of the mid-high frequency amplifier circuit, and the first port of the SP4T switch The first T port is connected to the first end of the first filter, and the second to fourth T ports of the SP4T switch are connected to the two ports of the target intermediate frequency sending port of the transmitting module in one-to-one correspondence.
A launch module, characterized in that it comprises:

The selective amplification sub-module is used to selectively receive the GSM high-frequency transmission signal from the radio frequency transceiver, amplify the GSM high-frequency transmission signal, and output it to the multiplexing port of the medium-high frequency antenna; or, to select receiving a target intermediate frequency transmission signal from the radio frequency transceiver, amplifying the target intermediate frequency transmission signal, and outputting it to a target intermediate frequency transmission port, the target intermediate frequency transmission signal is a target intermediate frequency signal, and the target intermediate frequency signal includes The intermediate frequency signal of any network in 3G network, 4G network and 5G network;

The GSM low-frequency amplifying unit is configured to receive the GSM low-frequency transmission signal from the radio frequency transceiver, amplify the GSM low-frequency transmission signal, and output it to the low-frequency antenna multiplexing port.
The emission module according to claim 8, wherein the selective amplification sub-module comprises:

The first selection switch is used to select and receive the GSM high frequency transmission signal from the radio frequency transceiver or the target intermediate frequency transmission signal;

The medium and high frequency amplifying unit is connected to the first selection switch, and is used to amplify the target intermediate frequency transmission signal, and output it to the target intermediate frequency transmission port through the second selection switch; or, to amplify the target intermediate frequency transmission signal; The GSM high-frequency transmission signal is amplified, and output to the multiplexing port of the medium-high frequency antenna through the second selection switch, the first filter, the noise reduction unit, the third selection switch, and the first coupler.
The transmitting module according to claim 9, wherein the GSM low-frequency amplifying unit is configured to pass the amplified GSM low-frequency transmitting signal through a second filter, a fourth selection switch, and a second coupler Output to the low frequency antenna multiplexing port.
The emission module according to claim 10, wherein the emission module further comprises:

The fifth selection switch is connected to the first coupler and the second coupler, and is used to selectively receive the GSM high-frequency transmission signal, the target medium-high frequency signal, and the target medium-frequency transmission signal from the first coupler. receiving the first power information of at least one signal in the signals or receiving the second power information of the GSM low-frequency transmission signal/the target low-frequency signal from the second coupler, and transmitting the first power information or the The second power information is output through the coupling port of the transmitting module.
A transmitting module, characterized in that, is configured with a GSM high-frequency receiving port for receiving the GSM high-frequency transmitting signal of the radio frequency transceiver, a target intermediate frequency receiving port for receiving the target intermediate frequency transmitting signal of the radio frequency transceiver, The GSM low frequency receiving port for receiving the GSM low frequency transmission signal of the radio frequency transceiver, the medium and high frequency antenna multiplex port for sending the GSM high frequency transmission signal/target medium frequency transmission signal/target medium and high frequency signal, and for The low-frequency antenna multiplexing port for sending the GSM low-frequency transmission signal or the target low-frequency signal, the target intermediate-frequency transmission port for sending the target intermediate-frequency transmission signal, the medium-high frequency transceiver port for receiving or transmitting the target medium-high frequency signal, and the A target low-frequency transceiver port for receiving or sending a target low-frequency signal, a coupling port for sending the first power information or second power information generated by the transmitting module, the target intermediate-frequency transmitting signal is a target intermediate-frequency signal, and the target medium-high The frequency signal includes the target intermediate frequency signal or the target high frequency signal, the target high frequency signal includes the high frequency signal of any network in the 3G network, the 4G network, and the 5G network, and the target intermediate frequency signal includes the 3G network, the 4G network, The intermediate frequency signal of any network in the 5G network, the target low frequency signal includes the low frequency signal of any network in the 3G network, 4G network, and 5G network; the transmitting module includes:

The first selection switch is an SPDT switch, one T port of the first selection switch is connected to the GSM high-frequency receiving port, and the other T port is connected to the target intermediate frequency receiving port for selectively receiving the GSM high-frequency transmission signal or the target intermediate frequency transmission signal;

A medium-high frequency amplification circuit, connected to the P port of the first selection switch, for amplifying the received GSM high-frequency transmission signal or the target medium-frequency transmission signal;

The second selection switch is an SPXT switch, X is an integer greater than 1, the P port of the SPXT switch is connected to the output end of the mid-high frequency amplifier circuit, and the first T port is connected to the first filter, the noise reduction unit, and the first T port in turn. The third selector switch, the first coupler, and the multiplexing port of the medium-high frequency antenna are used to output the GSM high-frequency transmission signal to the multiplexing port of the medium-high frequency antenna, and the second to the Xth T ports are in one-to-one correspondence Connecting the target IF sending port for outputting the target IF sending signal to any target IF sending port;

The third selection switch is a SPYT switch, Y is an integer greater than 1, the P port of the SPYT switch is connected to the first end of the first coupler, and the first T port is connected to the noise reduction unit, The second to Yth T ports are connected to the medium and high frequency transceiver ports of the transmitting module in one-to-one correspondence;

GSM low-frequency amplifying circuit, connected to the GSM low-frequency receiving port, for amplifying the received GSM low-frequency transmission signal;

A second filter, the first end of the second filter is connected to the output end of the GSM low-frequency amplifier circuit for filtering the GSM low-frequency transmission signal;

The fourth selection switch is an SPZT switch, Z is an integer greater than 1, the first T port of the SPZT switch is connected to the second end of the second filter, and the second to the Zth T ports are connected in one-to-one correspondence The target low-frequency transceiver port, the P port is connected to the first end of the second coupler;

The fifth selection switch is an SPDT switch, one T port of the fifth selection switch is connected to the second end of the first coupler, and the other T port is connected to the second end of the second coupler for selecting receiving the first power information of at least one of the GSM high-frequency transmission signal, the target medium-high frequency signal, and the target medium-frequency transmission signal from the first coupler or receiving the power information from the second coupler The second power information of the GSM low-frequency transmission signal/the target low-frequency signal, the P port of the fifth selection switch is connected to the coupling port, and is used to pass the first power information or the second power information through the The coupling port output;

The first coupler, the third end of the first coupler is connected to the multiplexing port of the medium-high frequency antenna, and is used to detect the GSM high-frequency transmission signal, the target medium-high frequency signal, and the target medium-frequency transmission signal First power information of at least one signal, and outputting the first power information sequentially through the fifth selection switch and the coupling port;

The second coupler, the third end of the second coupler is connected to the low-frequency antenna multiplexing port, and is used to detect the second power information of the GSM low-frequency transmission signal/the target low-frequency signal, and transfer the The second power information is sequentially output through the fifth selection switch and the coupling port.
A radio frequency system, characterized in that it comprises:

radio frequency transceiver;

The transmitting module according to any one of claims 1-12, wherein the transmitting module is connected to the radio frequency transceiver;

Antenna set, including at least:

The first antenna unit is connected to the multiplexing port of the medium and high frequency antenna of the transmitting module;

The second antenna unit is connected to the low-frequency antenna multiplexing port of the transmitting module;

The third antenna unit is connected to the target intermediate frequency sending port of the transmitting module.
The radio frequency system according to claim 13, wherein the radio frequency system further comprises:

The target medium and high frequency filtering and isolation unit is connected to the medium and high frequency transceiver port, and is used for filtering and isolating the target medium and high frequency signal;

A target mid-high frequency amplification circuit, connected to the target mid-high frequency filter and isolation unit, for amplifying the target mid-high frequency signal;

The target low-frequency filtering and isolation unit is connected to the target low-frequency transceiver port, and is used for filtering and isolating the target low-frequency signal;

The target low-frequency amplification circuit is connected to the target low-frequency filter and isolation unit, and is used for amplifying the target low-frequency signal.
The radio frequency system according to claim 14, wherein the target medium and high frequency filtering and isolation unit comprises:

The third filter is connected to the medium-high frequency transceiver port and is used to filter the target medium-high frequency signal;

a duplexer, connected to the third filter, for isolating the mid-high frequency transmit signal and the mid-high frequency receive signal;

Wherein, the mid-high frequency transmit signal and the mid-high frequency receive signal are both the target mid-high frequency signal.
The radio frequency system according to claim 14, wherein the target low frequency filtering and isolation unit comprises:

The fourth filter is connected to the low-frequency transceiver port and is used to filter the target low-frequency signal;

The second duplexer is connected to the fourth filter, and is used to isolate the target low-frequency transmitting signal and the target low-frequency receiving signal;

Wherein, the target low-frequency transmitting signal and the target low-frequency receiving signal are both the target low-frequency signal.
A radio frequency system, characterized in that it comprises:

radio frequency transceiver,

The transmitting module according to any one of claims 1-12, wherein the transmitting module is connected to the radio frequency transceiver;

Multi-mode multi-band power amplifier MMPA module;

The MMPA supports target signals, and the target signals include any of the following: target low-frequency signals, target intermediate-frequency signals, target high-frequency signals, and target ultra-high-frequency signals, and the target low-frequency signals are 3G networks, 4G networks, and 5G networks A low-frequency signal of any of the networks, the target intermediate-frequency signal is an intermediate-frequency signal of any of the 3G network, the 4G network, and the 5G network, and the target high-frequency signal is the 3G network, the A high-frequency signal of any network in the 4G network and the 5G network, the target UHF signal is the UHF signal of the 5G network;

The transmitting module and the MMPA module are configured to support dual connectivity ENDC between a 4G network and a 5G network between a first frequency band and a second frequency band, and the first frequency band is a target supported by the transmitting module The frequency band to which the intermediate frequency signal belongs, the second frequency band is the frequency band to which the target signal supported by the MMPA module belongs.
The radio frequency system according to claim 17, wherein the MMPA module comprises:

The target low-frequency transmitting circuit is used to receive the signal of the third frequency band from the radio frequency transceiver under the action of the first power supply voltage, and amplify the signal of the third frequency band, and output it through the target low-frequency output port of the local end. The third frequency band is the frequency band to which the target low-frequency signal supported by the MMPA module belongs;

The target intermediate frequency transmitting circuit is used to receive the target intermediate frequency signal from the radio frequency transceiver under the action of the second power supply voltage, amplify the target intermediate frequency signal, and output it through the target intermediate frequency output port of the local end;

The target high-frequency transmitting circuit is configured to receive the target high-frequency signal from the radio frequency transceiver under the action of the second power supply voltage, and amplify the target high-frequency signal, and transmit the target high-frequency signal through the target high-frequency signal at the local end. audio output port output;

The target UHF transmitting circuit is used to receive the target UHF signal from the radio frequency transceiver under the action of the second power supply voltage, and amplify the target UHF signal. The target UHF output port output at the end;

Wherein, the power supply circuits of the first power supply voltage and the second power supply voltage are independent of each other.
The radio frequency system according to claim 18, wherein the MMPA module is configured to support ENDC between the third frequency band and the fourth frequency band, and the fourth frequency band is supported by the MMPA module The frequency band to which any one of the target intermediate frequency signal, the target high frequency signal, and the target ultrahigh frequency signal belongs.
A communication device, characterized in that it includes:

A radio frequency system as claimed in any one of claims 13-19.