WO2023016218A1

WO2023016218A1 - Amplifier module, radio-frequency system, and communication device

Info

Publication number: WO2023016218A1
Application number: PCT/CN2022/106842
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: CN113676209A; CN113676209B

Abstract

A multi-mode multi-band power amplifier (MMPA) module, a radio-frequency system, and a communication device. The MMPA module supports the processing of a non-ultra-high-frequency signal and an ultra-high-frequency signal, and the MMPA module supports a four-antenna SRS function, and supports the receiving processing of one ultra-high-frequency signal, thus simplifying a radio-frequency front-end architecture. In addition, an antenna multiplexing port is used to support the sharing of an antenna between the ultra-high-frequency signal and the non-ultra-high-frequency signal, which saves on the cost and layout area and reduces the circuit insertion loss compared with the use of an external switch circuit to implement a corresponding function.

Description

Amplifier modules, radio frequency systems and communication equipment

technical field

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

Background technique

For communication equipment supporting the fifth-generation (5th-Generation, 5G) communication technology, in the non-standalone networking (Non-Standalone, NSA) mode, the dual mode of the fourth-generation (4th-Generation, 4G) signal and 5G signal is usually used. connection mode. Generally, in order to improve the communication performance in 4G and 5G dual connection mode, multiple discrete power amplifier modules can be set in the radio frequency system, for example, multiple multi-frequency multi-mode power amplifiers (Multi -band multi-mode power amplifier, MMPA) devices and MMPA devices that support 5G signal transmission to achieve dual transmission of 4G signals and 5G signals.

Contents of the invention

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

In the first aspect, the application provides a multi-mode multi-band power amplifier MMPA module, including:

The non-UHF amplifying circuit is configured to receive and process the non-UHF transmission signal from the radio frequency transceiver, and output it to the target non-UHF output port through the target selection switch;

UHF amplifier circuit, including:

The UHF transmitting circuit is configured to receive and process the UHF transmitting signal from the RF transceiver, and output it to the target UHF output port through the SPDT switch, filter, coupler and DP4T switch in sequence;

The UHF receiving circuit is configured to sequentially receive and process the UHF receiving signal of the target UHF input port through the DP4T switch, the coupler, the filter and the SPDT switch, and output it to the the radio frequency transceiver;

Wherein, the P port of the SPDT switch is connected to the filter, one T port of the SPDT switch is connected to the UHF transmitting circuit, and the other T port is connected to the UHF receiving circuit; One P port of the DP4T switch is connected to the coupler, the other P port is configured to be connected to the transceiver port of the target frequency band signal, the three T ports of the DP4T switch are configured to be connected to three SRS ports respectively, and the other A T port is configured to be connected to the antenna multiplexing port of the UHF transmit signal/the UHF receive signal and the target frequency band signal; the target UHF output port and the target UHF The input port is any one of the three SRS ports and the multiplexing port of the antenna, and the target frequency band signal is a non-UHF signal.

It can be seen that in the embodiment of this application, the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, and supports one UHF signal The reception processing simplifies the RF front-end architecture. In addition, through the antenna multiplexing port, the UHF signal and the non-UHF signal share one antenna port, which saves costs compared to using an external switch circuit to combine the circuits to achieve the corresponding function. and layout area, reducing circuit insertion loss.

In a second aspect, the application provides a MMPA module including:

The non-UHF amplifying unit is connected to the target selection switch, and is used to receive and process the non-UHF transmission signal from the radio frequency transceiver, and output it to the target non-UHF output port through the target selection switch;

The first UHF amplifying unit is sequentially connected to a SPDT switch, a filter, a coupler and a DP4T switch for receiving and processing the UHF transmission signal from the radio frequency transceiver, and performing the UHF transmission signal on the UHF transmission signal. After amplification processing, output to the target UHF output port through the SPDT switch, the filter, the coupler and the DP4T switch in sequence;

The second ultra-high frequency amplifying unit is connected to the SPDT switch, the filter, the coupler and the DP4T switch in sequence, and is used to receive through the DP4T switch, the coupler, the filter and the SPDT switch in sequence and processing the UHF receiving signal of the target UHF input port, and after amplifying the UHF receiving signal, output it to the radio frequency transceiver;

Wherein, the P port of the SPDT switch is connected to the filter, one T port of the SPDT switch is connected to the first UHF amplifying unit, and the other T port is connected to the second UHF amplifying unit; One P port of the DP4T switch is connected to the coupler, the other P port is connected to the transceiver port of the target frequency band signal of the MMPA module, and the three T ports of the DP4T switch are connected to the MMPA module one by one. The three SRS ports of the group, and the other T port is connected to the antenna multiplexing port of the MMPA module, and the antenna multiplexing port is the antenna and transmission for transmitting the UHF transmit signal/the UHF receive signal The multiplexing port of the antenna of the target frequency band signal; the target UHF output port and the target UHF input port are any one of the three SRS ports and the antenna multiplexing port, and the target The frequency band signal is a non-UHF signal.

In a third aspect, the present application provides an MMPA module configured with a non-UHF receiving port for receiving non-UHF transmission signals of a radio frequency transceiver, and for receiving a UHF transmission signal of the radio frequency transceiver The UHF receiving port, the first UHF output port for sending the UHF receiving signal from the antenna and the non-UHF output port for sending the non-UHF transmitting signal, and the non-UHF output port for sending the The second UHF output port of the UHF transmission signal, the transceiver port for sending or receiving the target frequency band signal, the second UHF output port includes an antenna multiplexing port and three SRS ports, and the antenna The multiplexing port is the multiplexing port of the antenna transmitting the UHF transmission signal/the UHF receiving signal and the antenna transmitting the target frequency band signal, and the target frequency band signal is a non-UHF signal; MMPA modules include:

A non-UHF amplifying circuit, connected to the non-UHF receiving port, for amplifying the non-UHF transmission signal;

A target selection switch, connected to the output end of the non-UHF amplifying circuit and the non-UHF output port, for selectively conducting the connection between the non-UHF amplifying circuit and the target non-UHF output port A path, the target non-UHF output port is any one of the non-UHF output ports;

A UHF transmitting circuit, connected to the UHF receiving port and the second power supply port, for amplifying the UHF transmitting signal under the second power supply voltage of the second power supply port deal with;

UHF receiving circuit, connected to the first UHF output port and the second power supply port, for receiving the UHF signal under the second power supply voltage of the second power supply port carry out magnification processing;

SPDT switch, a T port of the SPDT switch is connected to the UHF transmitting circuit, and another T port is connected to the UHF receiving circuit;

a filter, the first end of the filter is connected to the P port of the SPDT switch, and is used to filter the UHF transmit signal/the UHF receive signal;

A coupler, the first end of the coupler is connected to the second end of the filter, and the second end of the coupler is connected to the coupling port of the MMPA module for detecting the UHF transmission signal/ The power information of the UHF receiving signal, and outputting the power information through the coupling port;

A DP4T switch, one P port of the DP4T switch is connected to the third end of the coupler, the other P port is connected to the transceiver port, and the three T ports of the DP4T switch are connected to the three SRS ports one by one , and the other T port is connected to the antenna multiplexing port.

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

The MMPA module as described in any one of the first to third aspects;

A radio frequency transceiver, connected to the MMPA module, for sending and/or receiving UHF signals and non-UHF signals;

The first antenna unit is connected to the UHF antenna port of the MMPA module, and the UHF antenna port includes three SRS ports and an antenna multiplexing port;

The target antenna unit is connected to the target antenna port of the MMPA module;

The radio frequency system is used to realize the EN-DC function between the UHF transmission signal and the non-UHF transmission signal through the MMPA module, wherein the non-UHF transmission signal includes a low frequency transmission Any one of signal, intermediate frequency transmission signal and high frequency transmission signal.

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

The radio frequency system as described in the fourth 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 structural diagram of a radio frequency system 1 provided in an embodiment of the present application;

Fig. 1 B is the structural representation of a kind of existing MMPA module that the embodiment of the present application provides;

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

Fig. 3 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;

Fig. 4 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;

Fig. 5 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;

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

Fig. 7 is the frame schematic diagram of another kind of MMPA module that the embodiment of the present application provides;

Figure 8 is a schematic diagram of the framework of another MMPA module provided by the embodiment of the present application;

Fig. 9 is a schematic framework diagram of another MMPA module provided by the embodiment of the present application;

Fig. 10 is a schematic framework diagram of another MMPA module provided by the embodiment of the present application;

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

FIG. 12 is a schematic framework diagram of another radio frequency system 1 provided by an embodiment of the present application;

FIG. 13 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application;

FIG. 14 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application;

FIG. 15 is a schematic framework diagram of another radio frequency system 1 provided in the embodiment of the present application;

FIG. 16 is a schematic framework diagram of another radio frequency system 1 provided by the embodiment of the present application;

FIG. 17 is a schematic framework diagram of a communication device A provided in an embodiment of the present application;

FIG. 18 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.

At present, as shown in FIG. 1A , the architecture of a radio frequency system 1 commonly used in electronic devices such as mobile phones, the radio frequency system 1 includes an MMPA module 10, a transmitting module 20 (the transmitting module is also called a TXM module), and a radio frequency transceiver 30 and an antenna group 40, wherein the radio frequency transceiver 30 is connected to the MMPA module 10 and the transmitting module 20, and the MMPA module 10 and the transmitting module 20 are connected to the antenna group 40. The radio frequency transceiver is used for sending or receiving radio frequency signals through the signal path of the MMPA module 10 and the antenna group 40, or for sending or receiving radio frequency signals through the transmitting module 20 and the antenna group 40, In addition, the MMPA module 10 may also be connected with the transmitting module 20 to form a signal processing path to transmit or receive radio frequency signals through corresponding antennas.

An example of a MMPA module 10 provided in the embodiment of the present application as shown in Figure 1B, the MMPA module 10 is configured with a low frequency signal receiving port LB TX IN, an intermediate frequency signal receiving port MB TX IN, a high frequency signal receiving port HB TX IN, the first low frequency signal transmission port LB1, the second low frequency signal transmission port LB2, the third low frequency signal transmission port LB3, the fourth low frequency signal transmission port LB4, the fifth low frequency signal transmission port LB5, the first intermediate frequency signal transmission port MB1 , the second intermediate frequency signal sending port MB2, the third intermediate frequency signal sending port MB3, the fourth intermediate frequency signal sending port MB4, the fifth intermediate frequency signal sending port MB5, the first high frequency signal sending port HB1, the second high frequency signal sending port HB2 , the third high-frequency signal sending port HB3, the first high-frequency signal forwarding port HB RX1, the second high-frequency signal forwarding port HB RX2, the first low-medium-high-frequency power supply port LMHB_VCC1, the second high-frequency power supply port HB_VCC2, the second low-frequency The intermediate frequency power supply port LMB_VCC2, port SCLK1, port SDA1, port VIO1, port VBATT1, port SCLK2, port SDA2, port VIO2, port VBATT2, the MMPA module 10 includes:

The low-frequency amplifier circuit LB PA includes a cascaded low-frequency front-stage PA (shown as a PA close to LB TX IN), a low-frequency matching circuit, and a low-frequency post-stage PA (shown as a PA far away from LB TX IN). The input terminal of the stage PA is connected to the LB TX IN, the output terminal of the low-frequency pre-stage PA is connected to the low-frequency matching circuit, the low-frequency matching circuit is connected to the low-frequency post-stage PA, and the power supply terminal of the low-frequency pre-stage PA Connect the LMHB_VCC1, the power supply terminal of the low-frequency post-stage PA is connected to the LMB_VCC2 for receiving and processing the low-frequency signal sent by the radio frequency transceiver;

The low-frequency selection switch is an SP5T switch, the P port of the SP5T switch is connected to the output end of the low-frequency post-stage PA, and the 5 T ports are connected to the LB1, LB2, LB3, LB4, and LB5 in one-to-one correspondence for selecting the guide Through the path between the low-frequency amplifier circuit LB PA and any low-frequency signal sending port;

The intermediate frequency amplifier circuit MB PA includes a cascaded intermediate frequency pre-PA (shown as a PA close to MB TX IN), an intermediate frequency matching circuit, and an intermediate frequency post-stage PA (shown as a PA far away from MB TX IN). The input end of the stage PA is connected to the MB TX IN, the output end of the intermediate frequency pre-stage PA is connected to the intermediate frequency matching circuit, the intermediate frequency matching circuit is connected to the intermediate frequency subsequent stage PA, and the power supply terminal of the intermediate frequency pre-stage PA Connect the LMHB_VCC1, the power supply end of the intermediate frequency post-stage PA is connected to the LMB_VCC2, for receiving and processing the intermediate frequency signal sent by the radio frequency transceiver;

The intermediate frequency selection switch is an SP5T switch, the P port of the SP5T switch is connected to the output terminal of the intermediate frequency post-stage PA, and the five T ports are connected to the MB1, MB2, MB3, MB4, and MB5 in one-to-one correspondence for selecting the guide The path between the intermediate frequency amplifier circuit MB PA and any intermediate frequency signal sending port;

High-frequency amplifier circuit HB PA, including cascaded high-frequency pre-PA (shown as PA close to HB TX IN), high-frequency matching circuit and high-frequency post-stage PA (shown as PA away from HB TX IN), The input end of the high-frequency pre-stage PA is connected to the MB TX IN, the output end of the high-frequency pre-stage PA is connected to the high-frequency matching circuit, and the high-frequency matching circuit is connected to the high-frequency post-stage PA, The power supply terminal of the high-frequency pre-stage PA is connected to the LMHB_VCC1, and the power supply terminal of the high-frequency post-stage PA is connected to the HB_VCC2 for receiving and processing high-frequency signals sent by the radio frequency transceiver;

The first high-frequency selection switch is an SPST switch, the P port is connected to the output end of the high-frequency post-stage PA, and the T port is connected to HB1;

The second high-frequency selection switch is an SPDT switch, the P port is connected to HB2, one T port is connected to HB1, and the other T port is connected to HB RX2;

The third high-frequency selection switch is an SPDT switch, the P port is connected to HB3, one T port is connected to HB1, and the other T port is connected to HB RX1;

The first controller CMOS Controller1 is connected to port SCLK1, port SDA1, port VIO1, and port VBATT1, and is used to receive the first mobile processor industrial interface bus MIPI BUS control signal of port SCLK1 and port SDA1, and receive the first MIPI power supply signal of VIO1 , receiving the first bias voltage signal of VBATT1;

The second controller CMOS Controller2 is connected to port SCLK2, port SDA2, port VIO2, and port VBATT2, and is used to receive the second mobile processor industrial interface bus MIPI BUS control signal of port SCLK2 and port SDA2, and receive the second MIPI power supply signal of VIO2 , receiving the second bias voltage signal of VBATT2.

The working frequency range of the low frequency signal, intermediate frequency signal and high frequency signal that the signal processing circuit of the MMPA module 10 can process is from 663 MHz to 2690 MHz. It can be seen that the existing MMPA modules only integrate circuits that support low-frequency signals, intermediate-frequency signals, and high-frequency signal processing. GHz～3.8GHz)) in various countries, and electronic devices such as mobile phones support the processing of UHF signals has become a must-have requirement.

In the current solution, in order to support the processing capability of UHF signals, terminal manufacturers need to use an additional power amplifier module that supports UHF. At the same time, the traditional MMPA module does not consider the dual connection between the fourth-generation 4G wireless access network and the fifth-generation 5G new air interface NR (E-UTRA and New radio) between low-frequency signals, intermediate-frequency signals and high-frequency signals. In the case of Dual Connectivity, EN-DC), the power supplies of each signal processing circuit are connected together. In this case, an additional MMPA module needs to be added in order to realize the EN-DC before the low-frequency signal and the intermediate-frequency signal, and between the low-frequency signal and the high-frequency signal.

In view of the above problems, the present application provides an amplifier module, a radio frequency system and a communication device, which will be described in detail below.

As shown in Figure 2, the embodiment of the present application provides a multi-band multi-mode power amplifier (Multi-band multi-mode power amplifier, MMPA) module 10, including:

The non-UHF amplifying circuit 500 is configured to receive and process the non-UHF transmission signal from the radio frequency transceiver 30, and output it to the target non-UHF output port 800 through the target selection switch 570;

UHF amplifying circuit 400, including:

The UHF transmission circuit 410 is configured to receive and process the UHF transmission signal from the radio frequency transceiver 30, and output the UHF transmission signal to the target UHF through the SPDT switch 540, the filter 610, the coupler 710 and the DP4T switch 550 in sequence output port;

The UHF receiving circuit 420 is configured to receive and process the UHF receiving signal of the target UHF input port through the DP4T switch 550, the coupler 710, the filter 610 and the SPDT switch 540 in sequence , and output to the radio frequency transceiver;

Wherein, the P port of the SPDT switch 540 is connected with the filter 610, one T port of the SPDT switch 540 is connected with the UHF transmitting circuit 410, and the other T port is connected with the UHF receiving circuit 420 connection; one P port of the DP4T switch 550 is connected to the coupler, and the other P port is configured to be connected to the transceiver port 810 of the target frequency band signal, and the three T ports of the DP4T switch 550 are configured to be respectively Connected to three SRS ports 820, another T port is configured to be connected to the antenna multiplexing port 830 of the UHF transmit signal/the UHF receive signal and the target frequency band signal; The frequency output port and the target UHF input port are any one of the three SRS ports 820 and the antenna multiplexing port 830, and the target frequency band signal is a non-UHF signal.

Exemplarily, the SRS port 820 refers to an antenna port for receiving or sending a UHF signal, and the symbol "/" means or.

In a specific implementation, the DP4T switch 550 is used to selectively conduct the signal path between the UHF transmitting circuit 410 and the antenna multiplexing port 830 and any port of the three SRS ports 820, so as to support the UHF signal in the antenna The burst function between. Among them, the SRS switching4 antenna transmission function of the mobile phone is a mandatory option of China Mobile Communications Group CMCC in the "China Mobile 5G Scale Test Technology White Paper_Terminal", and it is optional in the 3rd Generation Partnership Project 3GPP. Its main purpose is In order for the base station to measure the uplink signals of the 4 antennas of the mobile phone, and then confirm the quality and parameters of the 4-channel channel, according to the channel reciprocity, the beamforming of the multiple-input multiple-output Massive MIMO antenna array for the downlink is performed according to the channel reciprocity, and finally the downlink 4x4MIMO Get the best data transfer performance.

It can be seen that in the embodiment of this application, the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, and supports one UHF signal The reception processing simplifies the RF front-end architecture. In addition, through the antenna multiplexing port 830, the UHF signal and the non-UHF signal share one antenna port, which saves a lot of money compared to using an external switch circuit to combine circuits to realize the corresponding functions. cost and layout area, and reduces circuit insertion loss.

In some embodiments, as shown in FIG. 3 , the non-UHF amplifying circuit 500 includes:

The low-frequency amplifying circuit 100 is configured to receive the low-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the low-frequency transmission signal, output it to the target low-frequency output port 840 through the first selection switch 510;

The intermediate frequency amplifying circuit 200 is configured to receive the intermediate frequency transmission signal from the radio frequency transceiver 30, and after amplifying the intermediate frequency transmission signal, output it to the target intermediate frequency output port 850 through the second selection switch 520;

The high-frequency amplifying circuit 300 is configured to receive the high-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the high-frequency transmission signal, output it to the target high-frequency output port 860 through the third selection switch 530 .

For example, the low-frequency signals may include low-frequency signals in 3G, 4G, and 5G networks, the intermediate-frequency signals may include intermediate-frequency signals in 3G, 4G, and 5G networks, and the high-frequency signals may include high-frequency signals in 3G, 4G, and 5G networks. UHF signals may include UHF signals in 5G networks. Table 1 shows the frequency band division of signals of 2G network, 3G network, 4G network, and 5G network.

Table 1

For example, the low-frequency amplifier circuit 100 is specifically used to amplify low-frequency transmission signals of 3G networks, 4G networks, and 5G networks; the intermediate-frequency amplifier circuit 200 is specifically used to amplify intermediate-frequency signals of 3G networks, 4G networks, and 5G networks; The amplification circuit 300 is specifically used to amplify high-frequency signals of 3G networks, 4G networks, and 5G networks; the ultra-high-frequency amplification circuit 400 is specifically used to amplify ultra-high-frequency signals of 5G networks.

In some embodiments, the low-frequency amplifying circuit 100 is configured to receive the low-frequency transmission signal under a first supply voltage;

The intermediate frequency amplifying circuit 200 is configured to receive the intermediate frequency transmission signal under a second power supply voltage;

The high-frequency amplifying circuit 300 is configured to receive the high-frequency transmission signal under the second power supply voltage;

The UHF transmitting circuit is configured to receive the UHF transmitting signal or the UHF receiving signal under the second power supply voltage.

Exemplarily, the first power supply voltage and the second power supply voltage may be less than or equal to 3.6V.

It can be seen that in this example, since the first power supply voltage and the second power supply voltage are powered independently, the MMPA module can simultaneously process low-frequency transmission signals and target frequency band signals. The target frequency band signals are intermediate frequency transmission signals, high-frequency transmission signals and ultra-high frequency transmission signals. Either of the transmitted signals.

In some embodiments, the MMPA module 10 is used to implement dual communication between the fourth generation 4G wireless access network and the fifth generation 5G new air interface NR between the non-UHF transmission signal and the UHF transmission signal. Connect EN-DC function.

As an example, different combinations of EN-DC between the non-UHF transmission signal and the UHF transmission signal are shown in Table 2.

Table 2

4G LTE频段4G LTE frequency band	5G NR频段5G NR frequency band	EN-DCEN-DC
LBLB	MBMB	LB+MBLB+MB
LBLB	HBHB	LB+HBLB+HB
LBLB	UHBUHB	LB+UHBLB+UHB

Specifically, when the low frequency amplifier circuit and the intermediate frequency amplifier circuit work at the same time, it satisfies the EN-DC combination of LB+MB; when the low frequency amplifier circuit and the intermediate frequency amplifier circuit work at the same time, it satisfies the EN-DC combination of LB+HB; when When the low-frequency amplifying circuit and the ultra-high-frequency amplifying circuit work simultaneously, it satisfies the EN-DC combination of LB+UHB.

It can be seen that in the embodiment of the present application, the MMPA module can realize dual transmission processing of various signal combinations through independent power supply, and improve device capability.

In some embodiments, as shown in FIG. 4 , the first selection switch 510 can be an SP5T switch, wherein the P port is connected to the output end of the low-frequency amplifier circuit 100, and the five T ports are connected to five of the MMPA modules 10 one by one. LF output ports (LB TX1-5 in the picture), these 5 LF output ports can be optionally connected to the second antenna unit (for example: LF antenna unit), and the target LF output port is any one of the 5 LF output ports.

The second selection switch 520 can be an SP5T switch, wherein the P port is connected to the output end of the intermediate frequency amplifier circuit 200, and the five T ports are connected to the five intermediate frequency output ports of the MMPA module 10 one by one (the figure is MB TX1-5) , the five intermediate frequency output ports can optionally be connected to a third antenna unit (for example, an intermediate frequency antenna unit), and the target intermediate frequency output port is any one of the five intermediate frequency output ports.

The third selection switch 530 can be a 3P3T switch, the first P port is connected to the output end of the high-frequency amplifier circuit 300, and the second P port is connected to the first high-frequency output port of the MMPA module 10 (shown as HB TX1), The third P port is connected to the second high-frequency output port of the MMPA module 10 (shown as HB TX2), and the first T port is connected to the third high-frequency output port of the MMPA module 10 (shown as HB TX3), The second and third T ports are connected to the two high-frequency transceiver ports 810 (shown as HB TRX1 and HB TRX2) of the MMPA module 10 in one-to-one correspondence, and the first high-frequency output port and the second high-frequency output port can be Connect the high-frequency receiving module, which is used to receive and process high-frequency signals, and the third high-frequency output port and the two high-frequency transceiver ports 810 are connected to the fourth antenna unit (for example: high-frequency antenna unit).

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

It can be seen that in this example, the MMPA module supports multi-channel flexible processing for low-band, mid-band and high-band radio frequency signals.

In some possible examples, the antenna multiplexing port 830 is used to receive the target frequency band reception signal from the target antenna, and output the target frequency band reception signal through the DP4T switch 550 and the transceiver port 810 in sequence, the The target antenna is the antenna connected to the antenna multiplexing port 830 for transmitting the target frequency band signal; the transceiver port 810 is used to receive the target frequency band transmission signal from the radio frequency transceiver, and sequentially pass through the DP4T switch , the antenna multiplexing port 830 , and the target antenna connected to the antenna multiplexing port 830 transmits outward.

Exemplarily, the target frequency band includes a 5G high frequency band, such as frequency band N41 and the like.

It can be seen that in this example, the MMPA module supports the common antenna of UHF signals and high-frequency signals through the antenna multiplexing port 830, which saves cost and layout area, and reduces Circuit insertion loss.

In some possible examples, the UHF transmission circuit 410 includes a single power amplifier, so as to perform power amplification processing on the UHF transmission signal; or,

The UHF transmitting circuit 410 includes a plurality of power amplifiers and a power combining unit, which implements power amplification processing of the UHF transmitting signal in a power combining manner.

For example, the UHF transmitting circuit 410 includes a first power amplifier, a matching circuit and a second power amplifier, the first power amplifier is connected to the matching circuit, the matching circuit is connected to the second power amplifier, the The second power amplifier is connected to the SPDT switch 540 .

It can be seen that, in this example, the specific implementation manners of the UHF transmitting circuit 410 can be various and adaptable.

In some possible examples, the UHF receiving circuit 420 includes a single low noise amplifier, so as to perform power amplification processing on the UHF receiving signal.

It can be seen that, in this example, setting a single power amplifier simplifies the circuit structure, reduces cost and improves space utilization.

As shown in Figure 5, the embodiment of the present application provides another multi-mode multi-band power amplifier MMPA module 10, including:

The non-UHF amplifying unit 910 is connected to the target selection switch 570, and is used to receive and process the non-UHF transmission signal from the radio frequency transceiver 30, and output it to the target non-UHF output port 800 through the target selection switch 570 ;

The first UHF amplifying unit 411 is sequentially connected to the SPDT switch 540, the filter 610, the coupler 710 and the DP4T switch 550, for receiving and processing the UHF transmission signal from the radio frequency transceiver 30, and to the described After the UHF transmission signal is amplified, it is sequentially output to the target UHF output port through the SPDT switch 540, the filter 610, the coupler 710 and the DP4T switch 550;

The second ultra-high frequency amplifying unit 421 is sequentially connected to the SPDT switch 540, the filter 610, the coupler 710 and the DP4T switch 550, and is used to sequentially pass through the DP4T switch 550, the coupler 710, the filter 610 and the The SPDT switch 540 receives and processes the UHF receiving signal of the target UHF input port, and after amplifying the UHF receiving signal, outputs it to the radio frequency transceiver;

Wherein, the P port of the SPDT switch 540 is connected to the filter, one T port of the SPDT switch is connected to the first UHF amplifying unit 411, and the other T port is connected to the second UHF amplifying unit. Unit 421; one P port of the DP4T switch 550 is connected to the coupler, the other P port is connected to the transceiver port 810 of the target frequency band signal of the MMPA module, and the three T ports of the DP4T switch correspond one by one Connect the three SRS ports 820 of the MMPA module, and another T port connects the antenna multiplexing port 830 of the MMPA module, and the antenna multiplexing port 830 is used for transmitting the ultra-high frequency transmission signal/the ultra-high frequency The multiplexing port of the antenna for receiving high-frequency signals and the antenna for transmitting the target frequency band signal; the target ultra-high frequency output port and the target ultra-high frequency input port are the three SRS ports 820 and the multiplexing ports of the antenna With any one of ports 830, the target frequency band signal is a non-UHF signal.

In some embodiments, as shown in FIG. 6, the target selection switch 570 includes a first selection switch 510, a second selection switch 520, and a third selection switch 530; the non-UHF amplification unit 910 includes:

The low-frequency amplifying unit 110 is connected to the first selection switch 510, and is used to receive and process the low-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the low-frequency transmission signal, output it through the first selection switch 510 To the target low frequency output port 840;

The intermediate frequency amplifying unit 210 is connected to the second selection switch 520, and is used for receiving and processing the intermediate frequency transmission signal from the radio frequency transceiver 30, and after amplifying the intermediate frequency transmission signal, it passes through the second selection switch 520 output to the target intermediate frequency output port 850;

The high-frequency amplifying unit 310 is connected to the third selection switch 530, and is used for receiving and processing the high-frequency transmission signal from the radio frequency transceiver 30, and after amplifying the high-frequency transmission signal, the high-frequency transmission signal is passed through the first The three-selection switch 530 outputs to the target high-frequency output port 860 .

For example, each amplifying unit in the low frequency amplifying unit 110, the intermediate frequency amplifying unit 210, the high frequency amplifying unit 310, the first super high frequency amplifying unit 411, and the second super high frequency amplifying unit 421 may include a power amplifier to receive The radio frequency signal is subjected to power amplification processing.

Exemplarily, the amplifying unit may further 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.

In some embodiments, the low frequency amplifying unit 110 is powered by a first power supply module;

The intermediate frequency amplifying unit 210, the high frequency amplifying unit 310, the first ultra high frequency amplifying unit 411 and the second ultra high frequency amplifying unit 421 are powered by a second power supply module.

It can be seen that in the embodiment of this application, the MMPA 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 unit and the target amplifier unit are powered independently, the target amplifier unit is the intermediate frequency Amplifying unit, high-frequency amplifying unit and ultra-high-frequency amplifying unit, so that low-frequency signals and other signals can be transmitted simultaneously, so that the MMPA module can output two signals at the same time to support 4G LTE signals and 5G NR Signal amplification realizes EN-DC of 4G LTE signal and 5G NR signal. At the same time, the MMPA 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 830 supports UHF signals and high-frequency signals sharing the same antenna. Compared with using an external switch circuit to combine circuits to realize corresponding functions, it saves cost and layout area, and reduces circuit insertion loss.

As shown in Figure 7, the embodiment of the present application provides another multi-mode multi-band power amplifier MMPA module 10, including:

It is configured with a non-UHF receiving port 870 for receiving non-UHF transmission signals of the RF transceiver 30, a UHF receiving port 880 for receiving the UHF transmission signals of the RF transceiver 30, and a UHF receiving port 880 for receiving the UHF transmission signals of the RF transceiver 30. The first UHF output port 890 for sending the UHF receiving signal from the antenna, the non-UHF output port 800 for sending the non-UHF transmission signal, and the non-UHF output port 800 for sending the UHF transmission signal The second ultra-high frequency output port, a transceiver port 810 for sending or receiving target frequency band signals, the second ultra-high frequency output port includes an antenna multiplexing port 830 and three SRS ports 820, and the antenna multiplexing port 830 A multiplexing port for transmitting the antenna of the UHF transmit signal/the UHF receive signal and the antenna of the target frequency band signal, the target frequency band signal is a non-UHF signal; the MMPA module 10 includes:

A non-UHF amplifying circuit 500, connected to the non-UHF receiving port 870, for amplifying the non-UHF transmission signal;

The target selection switch 570 is connected to the output terminal of the non-UHF amplifying circuit 500 and the non-UHF output port 800, and is used to selectively conduct the non-UHF amplifying circuit 500 and the target non-UHF output A path between ports, the target non-UHF output port is any one of the non-UHF output ports 800;

UHF transmitting circuit 410, connected to the UHF receiving port 880, for amplifying the UHF transmitting signal;

UHF receiving circuit 420, connected to the first UHF output port 890, for amplifying the UHF receiving signal;

The SPDT switch 540 is an SPDT switch 540, a T port of the SPDT switch 540 is connected to the UHF transmitting circuit 410, and another T port is connected to the UHF receiving circuit 420;

A filter 610, the first end of the filter 610 is connected to the P port of the SPDT switch, for filtering the UHF transmission signal/the UHF reception signal;

A coupler 710, the first end of the coupler 710 is connected to the second end of the filter 610, and the second end of the coupler 710 is connected to the coupling port 811 of the MMPA module 10 for detecting the power information of the UHF transmit signal/the UHF receive signal, and output the power information through the coupling port 811 .

DP4T switch 550, one P port of the DP4T switch 550 is connected to the third end of the coupler 710, the other P port is connected to the transceiver port 810, and the three T ports of the DP4T switch 550 are connected to the The above three SRS ports 820, and the other T port is connected to the antenna multiplex port 830.

In some possible examples, as shown in FIG. 8, the non-UHF receiving port 870 includes:

The low frequency receiving port 871 for receiving the low frequency transmission signal of the radio frequency transceiver 30;

An intermediate frequency receiving port 872 for receiving the intermediate frequency transmitting signal of the radio frequency transceiver 30; and

A high-frequency receiving port 873 for receiving the high-frequency transmission signal of the radio frequency transceiver 30;

The non-UHF output port 800 includes:

A low frequency output port 801 for sending the low frequency transmission signal;

an intermediate frequency output port 802 for sending the intermediate frequency transmit signal; and

A high frequency output port 803 for sending the high frequency transmission signal.

In some possible examples, as shown in FIG. 9, the MMPA module 10 is also configured with a first power supply port 812 and a second power supply port 813; the target selection switch 570 includes the first selection switch 510, the second Selector switch 520 and the third selector switch 530; The non-UHF amplifier circuit 500 includes a low frequency amplifier circuit 100, an intermediate frequency amplifier circuit 200 and a high frequency amplifier circuit 300;

The low-frequency amplifying circuit 100 is connected to the low-frequency receiving port 871 and the first power supply port 812, and is used to amplify the low-frequency transmission signal under the first power supply voltage of the first power supply port 812;

The first selection switch 510 is connected to the output terminal of the low frequency amplifier circuit 100 and the low frequency output port 801, and is used to select and conduct the path between the low frequency amplifier circuit 100 and the target low frequency output port, the target The low-frequency output port is any one of the low-frequency output ports 871;

The intermediate frequency amplifying circuit 200 is connected to the intermediate frequency receiving port 872 and the second power supply port 813, and is used to amplify the intermediate frequency transmission signal under the second power supply voltage of the second power supply port ;

The second selection switch 520 is connected to the output terminal of the intermediate frequency amplifier circuit 200 and the intermediate frequency output port 802, and is used to select and conduct the path between the intermediate frequency amplifier circuit 200 and the target intermediate frequency output port. The intermediate frequency output port is any one of the intermediate frequency output ports 802;

The high frequency amplifying circuit 300 is connected to the high frequency receiving port 873 and the second power supply port 813, and is used to transmit the high frequency under the second power supply voltage of the second power supply port 813. The signal is amplified;

The third selection switch 530 is connected to the output terminal of the high frequency amplifier circuit 300 and the high frequency output port 803, and is used to select and conduct the path between the high frequency amplifier circuit 300 and the target high frequency output port , the target high-frequency output port is any one of the high-frequency output ports 803;

The UHF transmission circuit 410 is configured to amplify the UHF transmission signal under the second power supply voltage of the second power supply port 813;

The UHF receiving circuit 420 is configured to amplify the UHF receiving signal under the second power supply voltage of the second power supply port 813 .

It should be noted that the number of the first power supply port VCC1 and the second power supply port VCC2 can be set according to the number of power amplifiers included in the corresponding frequency band transmitting circuits, specifically, the number of the first power supply port VCC1 can be It is equal to the number of power amplifiers in the low-frequency amplifying unit, for example, there may be two.

It can be seen that in the embodiment of this application, the MMPA 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 signals and other signals can be transmitted at the same time, so that the MMPA module can output two signals at the same time to support 4G LTE signals and 5G NR Signal amplification realizes EN-DC of 4G LTE signal and 5G NR signal. At the same time, the MMPA 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 830 supports UHF signals and high-frequency signals sharing the same antenna. Compared with using an external switch circuit to combine circuits to realize corresponding functions, it saves cost and layout area, and reduces circuit insertion loss.

As an example, as shown in FIG. 10, a schematic structural diagram of a MMPA module 10 provided by the embodiment of the present application, the MMPA module 10 includes the low-frequency processing circuit and related ports in the MMPA module 10 shown in FIG. 1B, Intermediate frequency processing circuit and related ports, high frequency processing circuit and related ports, first controller (shown as MIPI RFFE Controller1(PA)), second controller (shown as MIPI RFFE Controller2(PA)) and related ports In addition, it is also equipped with a UHF receiving port (shown as n77 TX IN) for receiving the N77 frequency band signal of the RF transceiver, and a UHF sending port (shown as n77 TX IN) for sending the N77 frequency band signal to the RF transceiver. n77 RX1), 3 SRS ports (shown as SRS OUT1, SRS OUT2, SRS OUT3), N77 and N41 frequency band antenna multiplexing ports (shown as N77/N41 ANT), transceiver ports (shown as TRX (N41 )), coupling port (CPL_OUT in the figure), port SCLK3, port SDA3, port VIO3, port VDD, first medium-high-ultra-high-frequency power supply port MHB_UHB_VCC1, second medium-high-ultra-high frequency power supply port MHB_UHB_VCC2, first low-frequency power supply port LB_VCC1 , the second low-frequency power supply port LB_VCC2; the MMPA module 10 also includes:

The UHB amplifier circuit (UHB PA in the figure) is used to receive the UHF signal of the RF transceiver through the port n77 TX IN, amplify it, and output it to the target through the SPDT switch, filter, coupler and DP4T switch UHF output port, the target UHF output port is any one of port SRS OUT1, port SRS OUT2, SRS OUT3, port N77/N41 ANT;

UHF receive circuit (shown as a low noise filter connected to port n77 RX1) for receiving and processing UHF signals via the target UHF receive port, DP4T switch, coupler, filter, and SPDT switch, and Send to the RF transceiver through port n77 RX1, the target UHF receiving port is any one of port SRS OUT1, port SRS OUT2, SRS OUT3, port N77/N41 ANT;

The third controller (MIPI RFFE Controller3 (LNA) in the figure) is connected to port SCLK3, port SDA3, port VIO3, and port VDD, and is used to receive the third MIPI bus BUS control signal of port SCLK3 and port SDA3, and receive the third MIPI bus BUS control signal of VIO3. 2. MIPI power supply signal, receiving the voltage signal of VDD;

In addition, the power amplifier of the low-frequency amplifier circuit is powered by ports LB_VCC1 and LB_VCC2, and the power amplifiers of the intermediate frequency amplifier circuit, high-frequency amplifier circuit, and ultra-high frequency amplifier circuit are powered by port MHB_UHB_VCC1 and port MHB_UHB_VCC2, so that through independent power supply, It can process low-frequency signals and target frequency band signals at the same time, and the target frequency band signals are any one of intermediate frequency signals, high-frequency signals and ultra-high-frequency signals to realize the EN-DC function.

In addition, the transceiver port TRX (N41) can receive the N41 frequency band signal of the RF transceiver, and transmit it through the DP4T switch, the port N77/N41 ANT and the corresponding antenna, or, through the corresponding antenna, the port N77/N41 ANT and the DP4T The switch sends the received N41 band signal to the RF transceiver. A module for processing signals in the N41 frequency band can be set between the transceiver port TRX (N41) port and the radio frequency transceiver to realize corresponding signal processing functions.

As shown in Figure 11, the embodiment of the present application provides a radio frequency system 1, including:

The MMPA module 10 described in any embodiment of the present application;

A radio frequency transceiver 30, connected to the MMPA module 10, for sending and/or receiving UHF signals and non-UHF signals;

The first antenna unit 30 is connected to the UHF antenna port of the MMPA module 10, and the UHF antenna port includes three SRS ports 820 and an antenna multiplexing port 830;

The target antenna unit 80 is connected to the target antenna port 804 of the MMPA module 10;

The radio frequency system 1 is used to realize the EN-DC function between the UHF transmission signal and the non-UHF transmission signal through the MMPA module 10, wherein the non-UHF transmission signal includes Any one of low frequency transmission signal, intermediate frequency transmission signal and high frequency transmission signal.

It can be seen that in the embodiment of the present application, the radio frequency system includes an MMPA module, and the MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end supports 4-antenna SRS functions, And it supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture. In addition, through the antenna multiplexing port 830, the UHF signal and the non-UHF signal share one antenna port, which is better than using an external switch circuit to combine Circuits are used to realize corresponding functions, which saves cost and layout area, and reduces circuit insertion loss.

In some embodiments, as shown in FIG. 12 , the target antenna port 804 includes a low-frequency antenna port 805, an intermediate-frequency antenna port 806, and a high-frequency antenna port 807; the target antenna unit 80 includes:

The second antenna unit 40 is connected to the low-frequency antenna port 805;

The third antenna unit 50 is connected to the intermediate frequency antenna port 806;

The fourth antenna unit 60 is connected to the high-frequency antenna port 807 .

In some embodiments, as shown in Figure 13, the radio frequency system further includes:

The first power supply module 41 is connected to the low-frequency amplifying circuit 100 of the MMPA module 10, and is used to provide the first power supply voltage for the low-frequency amplifying circuit 100;

The second power supply module 42 is used to connect the intermediate frequency amplifying circuit 200, the high frequency amplifying circuit 300 and the ultrahigh frequency amplifying circuit 400 of the MMPA module 10, and is used for providing the intermediate frequency amplifying circuit 200 and the high frequency amplifying circuit Any circuit in 300 and the ultra-high frequency amplifying circuit 400 provides a second supply voltage;

The radio frequency system 10 is used to provide the first power supply voltage to the low-frequency amplifying circuit 100 through the first power supply module 41, so as to realize the processing of the low-frequency transmission signal, and at the same time, to provide the low-frequency power supply voltage through the second power supply module 42 The first power supply voltage is provided for the IF amplifying circuit 200 or the high frequency amplifying circuit 300 or the UHF amplifying circuit 400 so as to realize the processing of the IF transmitting signal or the high frequency transmitting signal or the UHF transmitting signal.

For example, the input voltage of the first power supply module 41 and the second power supply module 42 may 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, so as to reduce the cost of each power supply module.

Specifically, both the first power supply module 41 and the second power supply module 42 may be power management ICs (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 first power supply module may include RF PMIC#1, and the second power supply module may include RF PMIC#2. RF PMIC#1 and RF PMIC#2 do not include a boost circuit, that is, the output voltage of RF PMIC#1 and RF PMIC#2 is less than or equal to the input voltage of RF PMIC#1 and RF PMIC#2.

In some embodiments, both the first power supply module and the second power supply module may include a Buck Source, and the supply voltage Vcc at the output terminal of the Buck Source 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.

It can be seen that in the embodiment of the present application, the radio frequency system includes the first power supply module, the second power supply module and each antenna unit matched with the MMPA module, so that the radio frequency system as a whole supports any of the low frequency, intermediate frequency, high frequency and ultrahigh frequency For the processing of RF signals in a frequency band, since the low-frequency amplifier circuit and the target amplifier circuit are powered independently, and the target amplifier circuit is any one of the intermediate frequency amplifier circuit, high-frequency amplifier circuit, and ultra-high frequency amplifier circuit, low-frequency signals and other signals can be realized Simultaneous transmission, so that the MMPA module can output two signals at the same time to support the amplification of 4G LTE signals and 5G NR signals, and realize the EN-DC of 4G LTE signals and 5G NR signals. At the same time, the MMPA 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 830 supports UHF signals and high-frequency signals sharing the same antenna. Compared with using an external switch circuit to combine circuits to realize corresponding functions, it saves cost and layout area, and reduces circuit insertion loss.

In some embodiments, as shown in FIG. 14, the first antenna unit 30 includes:

The first antenna 31 is connected to the antenna multiplexing port 830;

The second antenna 32 is connected to the first SRS port 820;

The third antenna 33 is connected to the second SRS port 820;

The fourth antenna 34 is connected to the third SRS port 820 .

For example, the first antenna 31 supports ultra-high frequency signals and high-frequency signals, such as N77/N41, the second antenna 32 supports ultra-high frequency signals, such as N77, the third antenna 33 supports ultra-high frequency signals, such as N77, and the fourth Antenna 34 supports UHF signals, such as N77.

It can be seen that in this example, since the first antenna unit has five antennas corresponding to the four ports one by one, they are set independently of each other, which improves the flexibility and stability of signal transmission and reception.

In some embodiments, as shown in Figure 15, the radio frequency system further includes:

Target frequency band power amplification module 70, including:

The target frequency band transmission circuit 71 is connected to the transceiver port 810 through the fourth selection switch 560, and is used to receive and process the target frequency band transmission signal from the radio frequency transceiver 30, amplify the target frequency band transmission signal, and pass through the target frequency band transmission signal in turn. The fourth selection switch 560, the transceiver port 810, the DP4T switch 550, the antenna multiplexing port 830, and the target antenna connected to the antenna multiplexing port 830 transmit outward;

The target frequency band receiving circuit 72 is connected to the transceiver port 810 through the fourth selection switch 560, and is used to pass through the antenna multiplexing port 830, the DP4T switch 550, the transceiver port 810, and the fourth selection port in sequence. The switch 560 receives the target frequency band reception signal from the target antenna, amplifies the target frequency band reception signal, and outputs it to the radio frequency transceiver 30;

Wherein, the fourth selection switch 560 is an SPDT switch, the P port of the fourth selection switch 560 is connected to the transceiver port 810, and a T port of the fourth selection switch 560 is connected to the output of the target frequency band transmitting circuit terminal, the other T port of the fourth selection switch 560 is connected to the input terminal of the target frequency band receiving circuit 72 .

Wherein, the target frequency band transmit signal and the target frequency band receive signal may be non-UHF signals such as signals in the 5G high-frequency N41 frequency band, which are not limited here.

It can be seen that in this example, the MMPA module and the target frequency band power amplifier module can cooperate with a shared antenna to realize high-frequency signal transmission and reception processing.

In some embodiments, as shown in Figure 16, the radio frequency system further includes:

The first radio frequency switch 81 includes a P port and two T ports, the P port is connected to the second antenna, and the first T port is connected to the first SRS port 820;

The first receiving module 91 is connected to the second T port of the first radio frequency switch for receiving and processing the UHF signal received by the second antenna;

The second radio frequency switch 82 includes a P port and two T ports, the P port is connected to the third antenna, and the first T port is connected to the second SRS port 820;

The second receiving module 92 is connected to the second T port of the second radio frequency switch for receiving and processing the UHF signal received by the third antenna;

The third radio frequency switch 83 includes a P port and two T ports, the P port is connected to the fourth antenna, and the first T port is connected to the third SRS port 820;

The third receiving module 93 is connected to the second T port of the fourth radio frequency switch, and is used for receiving and processing the UHF signal received by the fourth antenna.

As an example, the first receiving module, the second receiving module, and the third receiving module can be radio frequency low noise amplifier modules (Low noise amplifier front end module, LFEM), and can also be diversity receiving modules with antenna switch modules and filters Module (Diversity Receive Module with Antenna Switch Module and SAW, DFEM), can also be a multi-band low noise amplifier (Multi band Low Noise Amplifier, MLNA), etc.

For example, the first receiving module, the second receiving module, and the third receiving module are connected to the three UHF signal receiving ports of the RF transceiver one by one, and are used to output the received UHF receiving signals to the RF transceiver The device is used to realize the reception of multiple UHF signals.

It can be seen that in this example, by controlling four UHF signal receiving channels to receive UHF signals at the same time, the 4*4MIMO function for UHF signals can be realized, and the receiving and transmitting performance of the RF system for 5G UHF signals can be improved. .

As shown in Figure 17, this embodiment of the present application provides a communication device A, including:

The radio frequency system 1 described in any embodiment of the present application.

For example, the signal sending port and the signal receiving port of each frequency band on the radio frequency transceiver 30 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 30 can be connected to the low frequency Amplifying circuit, the intermediate frequency signal sending port and the intermediate frequency signal receiving port of the radio frequency transceiver 30 can be connected to the intermediate frequency amplifying circuit, the high frequency signal sending port and the high frequency signal receiving port of the radio frequency transceiver 30 can be connected to the high frequency amplifier circuit, the radio frequency transceiver 30 The UHF signal receiving port and the UHF signal sending port can be connected to the UHF amplifier circuit, etc. In addition, the signal receiving module can also be connected to realize the reception of signals in various frequency bands. There is no unique limitation here.

It can be seen that in the embodiment of the present application, the communication device includes a radio frequency system, and the radio frequency system includes an MMPA module. The MMPA module further supports UHF signals on the basis of supporting non-UHF signals, and the processing circuit at the UHF end Supports 4-antenna SRS function, and supports the receiving and processing of one UHF signal, which simplifies the RF front-end architecture. In addition, through the antenna multiplexing port 830, the UHF signal and the non-UHF signal share one antenna port, compared with Using an external switch circuit to decombine to realize the corresponding function saves cost and layout area, and reduces circuit insertion loss.

As shown in FIG. 18 , further, the communication device is a smart phone 1800 as an example for illustration. Specifically, as shown in FIG. computer readable storage media), peripheral device interface 183 , radio frequency system 184 , input/output (I/O) subsystem 186 . These components optionally communicate via one or more communication buses or signal lines 189 . Those skilled in the art can understand that the smart phone 1800 shown in FIG. 18 is not limited to the mobile phone, and may include more or less components than shown in the figure, or combine some components, or arrange different components. The various components shown in FIG. 18 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 182 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 182 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 181 and other control circuits, such as control circuits in radio frequency system 184 , may be used to control the operation of smartphone 1800 . The processor 181 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.

The processor 181 may be configured to implement a control algorithm that controls usage of the antenna in the smartphone 1800 . The processor 181 may also issue control commands and the like for controlling switches in the radio frequency system 184 .

I/O subsystem 186 couples input/output peripherals on smartphone 1800 such as keypad and other input control devices to peripherals interface 183 . I/O subsystem 186 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 smartphone 1800 by supplying commands via I/O subsystem 186 and may use the output resources of I/O subsystem 186 to receive status information and other output from smartphone 1800 . For example, the user presses the button 1861 to start or turn off the mobile phone.

The radio frequency system 184 can be the radio frequency system in any of the foregoing embodiments, wherein the radio frequency system 184 can also be used to process radio frequency signals of multiple different frequency bands. For example, satellite positioning radio frequency circuits for receiving 1575MHz satellite positioning signals, WiFi and Bluetooth transceiver radio frequency circuits for processing 2.4GHz and 5GHz frequency bands of IEEE802. 1900MHz, 2180MHz 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 2.496GHz-6GHz frequency band and a 3.3GHz-6GHz frequency band.

Any reference to memory, storage, database, or other medium as used herein may include non-volatile and/or volatile memory. Nonvolatile memory can include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in many forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

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 multi-mode multi-band power amplifier MMPA module is characterized in that it includes:

The non-UHF amplifying circuit is configured to receive and process the non-UHF transmission signal from the radio frequency transceiver, and output it to the target non-UHF output port through the target selection switch;

UHF amplifier circuit, including:

The UHF transmitting circuit is configured to receive and process the UHF transmitting signal from the RF transceiver, and output it to the target UHF output port through the SPDT switch, filter, coupler and DP4T switch in sequence;

The UHF receiving circuit is configured to sequentially receive and process the UHF receiving signal of the target UHF input port through the DP4T switch, the coupler, the filter and the SPDT switch, and output it to the the radio frequency transceiver;

Wherein, the P port of the SPDT switch is connected to the filter, one T port of the SPDT switch is connected to the UHF transmitting circuit, and the other T port is connected to the UHF receiving circuit; One P port of the DP4T switch is connected to the coupler, the other P port is configured to be connected to the transceiver port of the target frequency band signal, the three T ports of the DP4T switch are configured to be connected to three SRS ports respectively, and the other A T port is configured to be connected to the antenna multiplexing port of the UHF transmit signal/the UHF receive signal and the target frequency band signal; the target UHF output port and the target UHF The input port is any one of the three SRS ports and the multiplexing port of the antenna, and the target frequency band signal is a non-UHF signal.
MMPA module according to claim 1, is characterized in that, described non-UHF amplifying circuit comprises:

The low-frequency amplifying circuit is configured to receive the low-frequency transmission signal from the radio frequency transceiver, and after amplifying the low-frequency transmission signal, output it to the target low-frequency output port through the first selection switch;

The intermediate frequency amplifying circuit is configured to receive the intermediate frequency transmission signal from the radio frequency transceiver, and after amplifying the intermediate frequency transmission signal, output it to the target intermediate frequency output port through the second selection switch;

The high-frequency amplifying circuit is configured to receive the high-frequency transmission signal from the radio frequency transceiver, amplify the high-frequency transmission signal, and output the high-frequency transmission signal to the target high-frequency output port through the third selection switch.
MMPA module according to claim 2, is characterized in that,

The low-frequency amplifying circuit is configured to receive the low-frequency transmission signal under a first power supply voltage;

The intermediate frequency amplifying circuit is configured to receive the intermediate frequency transmission signal under the second power supply voltage;

The high-frequency amplifying circuit is configured to receive the high-frequency transmission signal under the second power supply voltage;

The UHF transmitting circuit is configured to receive the UHF transmitting signal or the UHF receiving signal under the second power supply voltage.
The MMPA module according to claim 3, wherein the MMPA module is used to realize the connection between the fourth-generation 4G wireless access network and the fourth-generation 4G wireless access network between the non-UHF transmission signal and the UHF transmission signal. The dual connection EN-DC function of the fifth-generation 5G new air interface NR.
According to the MMPA module described in any one of claims 1-4, it is characterized in that,

The antenna multiplexing port is used to receive the target frequency band reception signal from the target antenna, and output the target frequency band reception signal through the DP4T switch and the transceiver port in turn, and the target antenna is connected to the antenna multiplexing port an antenna for transmitting the target frequency band signal;

The transceiver port is used to receive the target frequency band transmission signal from the radio frequency transceiver, and sequentially transmit through the DP4T switch, the antenna multiplexing port, and the target antenna connected to the antenna multiplexing port .
The MMPA module according to claim 5, wherein the ultra-high frequency transmitting circuit includes a single power amplifier, so as to realize power amplification processing on the ultra-high frequency transmitting signal; or,

The UHF transmission circuit includes a plurality of power amplifiers and a power combination unit, which implements power amplification processing of the UHF transmission signal in a power combination manner.
The MMPA module according to claim 6, wherein the ultra-high frequency receiving circuit includes a single low-noise amplifier to implement power amplification processing on the ultra-high frequency receiving signal.
A kind of MMPA module is characterized in that, comprises:

The non-UHF amplifying unit is connected to the target selection switch, and is used to receive and process the non-UHF transmission signal from the radio frequency transceiver, and output it to the target non-UHF output port through the target selection switch;

The first UHF amplifying unit is sequentially connected to a SPDT switch, a filter, a coupler and a DP4T switch for receiving and processing the UHF transmission signal from the radio frequency transceiver, and performing the UHF transmission signal on the UHF transmission signal. After amplification processing, output to the target UHF output port through the SPDT switch, the filter, the coupler and the DP4T switch in sequence;

The second ultra-high frequency amplifying unit is connected to the SPDT switch, the filter, the coupler and the DP4T switch in sequence, and is used to receive through the DP4T switch, the coupler, the filter and the SPDT switch in sequence and processing the UHF receiving signal of the target UHF input port, and after amplifying the UHF receiving signal, output it to the radio frequency transceiver;

Wherein, the P port of the SPDT switch is connected to the filter, one T port of the SPDT switch is connected to the first UHF amplifying unit, and the other T port is connected to the second UHF amplifying unit; One P port of the DP4T switch is connected to the coupler, the other P port is connected to the transceiver port of the target frequency band signal of the MMPA module, and the three T ports of the DP4T switch are connected to the MMPA module one by one. The three SRS ports of the group, and the other T port is connected to the antenna multiplexing port of the MMPA module, and the antenna multiplexing port is the antenna and transmission for transmitting the UHF transmit signal/the UHF receive signal The multiplexing port of the antenna of the target frequency band signal; the target UHF output port and the target UHF input port are any one of the three SRS ports and the antenna multiplexing port, and the target The frequency band signal is a non-UHF signal.
The MMPA module according to claim 8, wherein the target selection switch comprises a first selection switch, a second selection switch and a third selection switch; the non-UHF amplifying unit comprises:

The low-frequency amplifying unit is connected to the first selection switch, and is used to receive and process the low-frequency transmission signal from the radio frequency transceiver, and after amplifying the low-frequency transmission signal, output it to the target low-frequency output through the first selection switch port;

An intermediate frequency amplifying unit, connected to the second selection switch, is used to receive and process the intermediate frequency transmission signal from the radio frequency transceiver, and after amplifying the intermediate frequency transmission signal, output it to the target via the second selection switch IF output port;

A high-frequency amplifying unit, connected to the third selection switch, used to receive and process the high-frequency transmission signal from the radio frequency transceiver, and after amplifying the high-frequency transmission signal, pass through the third selection switch Output to the target high frequency output port.
The MMPA module according to claim 9, wherein the low frequency amplifying unit is powered by a first power supply module;

The intermediate frequency amplifying unit, the high frequency amplifying unit, the first ultra high frequency amplifying unit and the second ultra high frequency amplifying unit are powered by a second power supply module.
A MMPA module, characterized in that it is configured with a non-UHF receiving port for receiving a non-UHF transmission signal of a radio frequency transceiver, an ultrahigh frequency port for receiving a UHF transmission signal of the radio frequency transceiver A high frequency receiving port, a first UHF output port for sending the UHF receiving signal from the antenna and a non-UHF output port for sending the non-UHF transmission signal, and a non-UHF output port for sending the UHF The second ultra-high frequency output port of the frequency transmission signal, the transceiver port for sending or receiving the target frequency band signal, the second ultra-high frequency output port includes an antenna multiplexing port and three SRS ports, and the antenna multiplexing port A multiplexing port for transmitting the antenna of the UHF transmit signal/the UHF receive signal and the antenna of the target frequency band signal, the target frequency band signal is a non-UHF signal; the MMPA module include:

A non-UHF amplifying circuit, connected to the non-UHF receiving port, for amplifying the non-UHF transmission signal;

A target selection switch, connected to the output end of the non-UHF amplifying circuit and the non-UHF output port, for selectively conducting the connection between the non-UHF amplifying circuit and the target non-UHF output port A path, the target non-UHF output port is any one of the non-UHF output ports;

A UHF transmitting circuit, connected to the UHF receiving port, for amplifying and processing the UHF transmitting signal;

A UHF receiving circuit, connected to the first UHF output port, for amplifying and processing the UHF receiving signal;

SPDT switch, a T port of the SPDT switch is connected to the UHF transmitting circuit, and another T port is connected to the UHF receiving circuit;

a filter, the first end of the filter is connected to the P port of the SPDT switch, and is used to filter the UHF transmit signal/the UHF receive signal;

A coupler, the first end of the coupler is connected to the second end of the filter, and the second end of the coupler is connected to the coupling port of the MMPA module for detecting the UHF transmission signal/ The power information of the UHF receiving signal, and outputting the power information through the coupling port;

A DP4T switch, one P port of the DP4T switch is connected to the third end of the coupler, the other P port is connected to the transceiver port, and the three T ports of the DP4T switch are connected to the three SRS ports one by one , and the other T port is connected to the antenna multiplexing port.
The MMPA module according to claim 11, wherein the non-UHF receiving port comprises:

A low-frequency receiving port for receiving a low-frequency transmission signal of a radio frequency transceiver;

an intermediate frequency receiving port for receiving an intermediate frequency transmission signal of the radio frequency transceiver; and

A high-frequency receiving port for receiving the high-frequency transmission signal of the radio frequency transceiver;

The non-UHF output ports include:

a low frequency output port for sending the low frequency transmission signal;

an intermediate frequency output port for sending the intermediate frequency transmit signal; and

A high-frequency output port for sending the high-frequency transmission signal.
The MMPA module according to claim 12, wherein the MMPA module is also configured with a first power supply port and a second power supply port; the target selection switch includes a first selection switch, a second selection switch, and a second selection switch. The third selection switch; the non-UHF amplifier circuit includes a low frequency amplifier circuit, an intermediate frequency amplifier circuit and a high frequency amplifier circuit;

The low-frequency amplifying circuit is connected to the low-frequency receiving port and the first power supply port, and is used to amplify the low-frequency transmission signal under the first power supply voltage of the first power supply port;

The first selection switch is connected to the output terminal of the low-frequency amplifier circuit and the low-frequency output port, and is used to select and conduct the path between the low-frequency amplifier circuit and the target low-frequency output port, and the target low-frequency output port is Any one of the low frequency output ports;

The intermediate frequency amplifying circuit is connected to the intermediate frequency receiving port and the second power supply port, and is used to amplify the intermediate frequency transmission signal under the second power supply voltage of the second power supply port;

The second selection switch is connected to the output terminal of the intermediate frequency amplifier circuit and the intermediate frequency output port, and is used to select and conduct the path between the intermediate frequency amplifier circuit and the target intermediate frequency output port, and the target intermediate frequency output port is Any one of the intermediate frequency output ports;

The high-frequency amplifying circuit is connected to the high-frequency receiving port and the second power supply port, and is used to amplify the high-frequency transmission signal under the second power supply voltage of the second power supply port ;

The third selection switch is connected to the output end of the high-frequency amplifier circuit and the high-frequency output port, and is used to select and conduct the path between the high-frequency amplifier circuit and the target high-frequency output port, and the target The high-frequency output port is any one of the high-frequency output ports;

The UHF transmission circuit is configured to amplify the UHF transmission signal under the second power supply voltage of the second power supply port;

The UHF receiving circuit is configured to amplify the UHF receiving signal under the second power supply voltage of the second power supply port.
A radio frequency system, characterized in that it comprises:

The MMPA module as claimed in any one of claims 1-13;

A radio frequency transceiver, connected to the MMPA module, for sending and/or receiving UHF signals and non-UHF signals;

The first antenna unit is connected to the UHF antenna port of the MMPA module, and the UHF antenna port includes three SRS ports and an antenna multiplexing port;

The target antenna unit is connected to the target antenna port of the MMPA module;

The radio frequency system is used to realize the EN-DC function between the UHF transmission signal and the non-UHF transmission signal through the MMPA module, wherein the non-UHF transmission signal includes a low frequency transmission Any one of signal, intermediate frequency transmission signal and high frequency transmission signal.
The radio frequency system according to claim 14, wherein the target antenna port comprises a low frequency antenna port, an intermediate frequency antenna port and a high frequency antenna port; the target antenna unit comprises:

The second antenna unit is connected to the low-frequency antenna port;

The third antenna unit is connected to the intermediate frequency antenna port;

The fourth antenna unit is connected to the high-frequency antenna port.
The radio frequency system according to claim 15, wherein the radio frequency system further comprises:

The first power supply module is connected to the low-frequency amplifying circuit of the MMPA module, and is used to provide a first power supply voltage for the low-frequency amplifying circuit;

The second power supply module is used to connect the intermediate frequency amplifier circuit, the high frequency amplifier circuit and the ultrahigh frequency amplifier circuit of the MMPA module, and is used to provide the intermediate frequency amplifier circuit, the high frequency amplifier circuit and the ultrahigh frequency amplifier circuit Any circuit in the amplifying circuit provides a second power supply voltage;

The radio frequency system is used to provide the low frequency amplifying circuit with the first power supply voltage through the first power supply module, so as to realize the processing of the low frequency transmission signal, and to provide the intermediate frequency power supply voltage through the second power supply module at the same time. The amplifying circuit or the high frequency amplifying circuit or the ultra high frequency amplifying circuit provides the first power supply voltage to realize the processing of the intermediate frequency transmitting signal or the high frequency transmitting signal or the ultra high frequency transmitting signal.
The radio frequency system according to any one of claims 14-16, wherein the first antenna unit comprises:

The first antenna is connected to the multiplexing port of the antenna;

The second antenna is connected to the first SRS port;

The third antenna, connected to the second SRS port;

The fourth antenna, connected to the third SRS port.
The radio frequency system according to claim 17, wherein the radio frequency system further comprises:

Target frequency band power amplifier module, including:

The target frequency band transmission circuit is connected to the transceiver port through the fourth selection switch, and is used to receive and process the target frequency band transmission signal from the radio frequency transceiver, amplify the target frequency band transmission signal, and sequentially pass through the fourth selection The switch, the transceiver port, the DP4T switch, the antenna multiplexing port, and the target antenna connected to the antenna multiplexing port transmit outward;

The target frequency band receiving circuit is connected to the transmitting and receiving port through the fourth selection switch, and is used to receive signals from the target through the antenna multiplexing port, the DP4T switch, the transmitting and receiving port, and the fourth selection switch in sequence. receiving signals in the target frequency band of the antenna, amplifying the received signals in the target frequency band, and outputting them to the radio frequency transceiver;

Wherein, the fourth selection switch is an SPDT switch, the P port of the fourth selection switch is connected to the transceiver port, a T port of the fourth selection switch is connected to the output end of the target frequency band transmission circuit, and the The other T port of the fourth selection switch is connected to the input end of the target frequency band receiving circuit.
The radio frequency system according to claim 18, wherein the radio frequency system further comprises:

The first radio frequency switch includes a P port and two T ports, the P port is connected to the second antenna, and the first T port is connected to the first SRS port;

The first receiving module is connected to the second T port of the first radio frequency switch, and is used to receive and process the UHF signal received by the second antenna;

The second radio frequency switch includes a P port and two T ports, the P port is connected to the third antenna, and the first T port is connected to the second SRS port;

The second receiving module is connected to the second T port of the second radio frequency switch, and is used for receiving and processing the UHF signal received by the third antenna;

The third radio frequency switch includes a P port and two T ports, the P port is connected to the fourth antenna, and the first T port is connected to the third SRS port;

The third receiving module is connected to the second T port of the fourth radio frequency switch, and is used for receiving and processing the UHF signal received by the fourth antenna.
A communication device, characterized in that it includes:

A radio frequency system as claimed in any one of claims 14-19.