CN113676210B

CN113676210B - Amplifier module, radio frequency system and communication equipment

Info

Publication number: CN113676210B
Application number: CN202110928129.9A
Authority: CN
Inventors: 陈锋; 仝林
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-07-15
Anticipated expiration: 2041-08-12
Also published as: CN113676210A; WO2023016216A1

Abstract

The application provides an amplifier module, radio frequency system and communications facilities, the MMPA module further supports the hyperfrequency signal on the basis of supporting non-hyperfrequency signal, and the processing circuit of hyperfrequency end supports 4 antennas SRS function to and support the receiving process of two way hyperfrequency signal, simplified the radio frequency front end framework.

Description

Amplifier module, radio frequency system and communication equipment

Technical Field

The present application relates to the field of antenna technologies, and in particular, to an amplifier module, a radio frequency system, and a communication device.

Background

For a communication device supporting the fifth generation 5G communication technology, a dual connection mode of the fourth generation 4G signals and the 5G signals is generally adopted in a Non-independent Networking (NSA) mode. Generally, in order to improve the communication performance in the dual connectivity mode of 4G and 5G, a plurality of separately disposed power amplifier modules, for example, a plurality of Multi-band Multi-mode power amplifiers (MMPA) for supporting 4G signal transmission and MMPA devices for supporting 5G signal transmission, may be disposed in the radio frequency system to implement dual transmission of 4G signal and 5G signal.

Disclosure of Invention

The embodiment of the application provides an amplifier module, a radio frequency system and communication equipment, which can improve the integration level of devices and reduce the cost.

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

the non-ultrahigh frequency amplifying circuit is configured to receive and process a non-ultrahigh frequency transmitting signal from the radio frequency transceiver and output the non-ultrahigh frequency transmitting signal to a target output port through the target selection switch;

an ultra-high frequency amplification circuit comprising:

the ultrahigh frequency transmitting circuit is configured to receive and process an ultrahigh frequency transmitting signal from the radio frequency transceiver under the second supply voltage, and output the ultrahigh frequency transmitting signal to a target ultrahigh frequency output port sequentially through a coupler and a 3P4T switch or sequentially through the coupler, the 3P4T switch and a filter, wherein the filter is a first filter or a second filter;

the first ultrahigh frequency receiving circuit is configured to receive a first ultrahigh frequency receiving signal of a first target ultrahigh frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplify the first ultrahigh frequency receiving signal and output the amplified first ultrahigh frequency receiving signal to the radio frequency transceiver;

the second ultrahigh frequency receiving circuit is configured to receive a second ultrahigh frequency receiving signal of a second target ultrahigh frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplify the second ultrahigh frequency receiving signal and output the amplified second ultrahigh frequency receiving signal to the radio frequency transceiver;

wherein a first P port of the 3P4T switch is connected to the coupler and a second P port of the 3P4T switch is configured to be connected to an input of the first UHF receive circuit, a third P-port of the 3P4T switch is configured to be connected to an input of the second uhf receiver circuit, a first T port of the 3P4T switch is configured to connect to a first terminal of the first filter, the second end of the first filter is connected with the first SRS port of the MMPA module, the second T port of the 3P4T switch is configured to connect to the first terminal of the second filter, a second end of the second filter is connected to a second SRS port of the MMPA module, the third T port of the 3P4T switch is configured to connect with the first uhf antenna port of the MMPA module, a fourth T-port of the 3P4T switch is configured to connect with a second uhf antenna port of the MMPA module; the target ultrahigh frequency output port, the first target ultrahigh frequency input port, and the second target ultrahigh frequency input port are any one of the first SRS port, the second SRS port, the first ultrahigh frequency antenna port, and the second ultrahigh frequency antenna port.

It can be seen that, in the embodiment of the present application, the MMPA module further supports the ultrahigh frequency signal on the basis of supporting the non-ultrahigh frequency signal, and the processing circuit at the ultrahigh frequency end supports the 4-antenna SRS function, and supports the receiving processing of two paths of ultrahigh frequency signals, thereby simplifying the radio frequency front end architecture.

In a second aspect, the present application provides an MMPA module comprising:

the non-ultrahigh frequency amplifying unit is connected with the target selection switch, is used for receiving and processing a non-ultrahigh frequency transmitting signal from the radio frequency transceiver, and outputs the non-ultrahigh frequency transmitting signal to a target output port through the target selection switch;

the first ultrahigh frequency amplifying unit is sequentially connected with the coupler, the 3P4T switch and the filter and used for receiving an ultrahigh frequency transmitting signal from the radio frequency transceiver, amplifying the ultrahigh frequency transmitting signal, and outputting the ultrahigh frequency transmitting signal to a target ultrahigh frequency output port sequentially through the coupler and the 3P4T switch or sequentially through the coupler, the 3P4T switch and the filter, wherein the filter comprises a first filter and a second filter;

the second ultrahigh-frequency amplifying unit is sequentially connected with the 3P4T switch and the filter, and is used for receiving a first ultrahigh-frequency receiving signal of a first target ultrahigh-frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplifying the first ultrahigh-frequency receiving signal and outputting the first ultrahigh-frequency receiving signal to the radio frequency transceiver;

the third ultrahigh-frequency amplifying unit is sequentially connected with the 3P4T switch and the filter, and is configured to receive a second ultrahigh-frequency receiving signal at a second target ultrahigh-frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplify the second ultrahigh-frequency receiving signal, and output the amplified second ultrahigh-frequency receiving signal to the radio frequency transceiver;

a first P port of the 3P4T switch is connected to the coupler, a second P port of the 3P4T switch is connected to the input terminal of the second uhf amplification unit, a third P port of the 3P4T switch is connected to the input terminal of the third uhf amplification unit, a first T port of the 3P4T switch is connected to the first terminal of the first filter, a second terminal of the first filter is connected to the first SRS port of the MMPA module, a second T port of the 3P4T switch is connected to the first terminal of the second filter, a second terminal of the second filter is connected to the second SRS port of the MMPA module, a third T port of the 3P4T switch is connected to the first uhf antenna port of the MMPA module, and a fourth T port of the 3P4T switch is connected to the second uhf antenna port of the MMPA module; the target ultrahigh frequency output port, the first target ultrahigh frequency input port, and the second target ultrahigh frequency input port are any one of the first SRS port, the second SRS port, the first ultrahigh frequency antenna port, and the second ultrahigh frequency antenna port.

In a third aspect, the present application provides an MMPA module configured with a non-uhf receiving port for receiving a non-uhf transmission signal of a radio frequency transceiver, an uhf receiving port for receiving an uhf transmission signal of the radio frequency transceiver, a first uhf output port for sending a first uhf reception signal from an antenna, a second uhf output port for sending a second uhf reception signal from an antenna, and a non-uhf output port for sending the non-uhf transmission signal, a third uhf output port for sending the uhf transmission signal, the third uhf output port including a first uhf antenna port, a second uhf antenna port, and two SRS ports; the MMPA module includes:

the non-ultrahigh frequency amplifying circuit is connected with the non-ultrahigh frequency receiving port and is used for amplifying the non-ultrahigh frequency transmitting signal;

the target selection switch is connected with the output end of the non-ultrahigh frequency amplification circuit and the non-ultrahigh frequency output port and used for selectively conducting a channel between the non-ultrahigh frequency amplification circuit and a target non-ultrahigh frequency output port, and the target non-ultrahigh frequency output port is any one of the non-ultrahigh frequency output ports;

the ultrahigh frequency transmitting circuit is connected with the ultrahigh frequency receiving port and is used for amplifying the ultrahigh frequency transmitting signal;

the first ultrahigh frequency receiving circuit is connected with the first ultrahigh frequency output port and is used for amplifying the first ultrahigh frequency receiving signal;

the second ultrahigh frequency receiving circuit is connected with the second ultrahigh frequency output port and is used for amplifying the second ultrahigh frequency receiving signal; the first end of the coupler is connected with the output end of the ultrahigh frequency transmitting circuit, the second end of the coupler is connected with the coupling port of the MMPA module, and the coupler is used for detecting the power information of the ultrahigh frequency transmitting signal and outputting the power information through the coupling port;

a 3P4T switch, a first P port of the 3P4T switch being connected to the third end of the coupler, a second P port of the 3P4T switch being connected to the input of the first uhf receiver circuit, a third P port of the 3P4T switch being connected to the input of the second uhf receiver circuit, a third T port of the 3P4T switch being connected to the first uhf antenna port of the MMPA module, a fourth T port of the 3P4T switch being connected to the second uhf antenna port of the MMPA module, for selectively turning on a signal path between any one of the uhf transmitter circuit, the first uhf receiver circuit, the second uhf receiver circuit, and the third uhf output port;

a first end of the first filter is connected to a first T port of the 3P4T switch, and a second end of the first filter is connected to the first SRS port, for filtering the uhf transmission signal or the first uhf reception signal or the second uhf reception signal;

a second filter, a first end of the second filter is connected to the second T port of the 3P4T switch, and a second end of the second filter is connected to the second SRS port, and is configured to filter the uhf transmission signal or the first uhf reception signal or the second uhf reception signal.

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

the MMPA module of any one of the first to third aspects;

the radio frequency transceiver is connected with the MMPA module and is used for transmitting and/or receiving ultrahigh frequency signals and non-ultrahigh frequency signals;

the first antenna unit is connected with the ultrahigh frequency antenna port of the MMPA module, and the ultrahigh frequency antenna port comprises two SRS ports, a first ultrahigh frequency antenna port and a second ultrahigh frequency antenna port;

the target antenna unit is connected with a target antenna port of the MMPA module;

the radio frequency system is used for realizing the EN-DC function between the ultrahigh frequency transmitting signal and the non-ultrahigh frequency transmitting signal through the MMPA module, wherein the non-ultrahigh frequency signal comprises any one of a low frequency transmitting signal, an intermediate frequency transmitting signal and a high frequency transmitting signal.

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

a radio-frequency transceiver for transmitting and receiving signals,

the radio frequency system of the fourth aspect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1A is a schematic structural diagram of a radio frequency system 1 according to an embodiment of the present application;

fig. 1B is a schematic structural diagram of a conventional MMPA module according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of a framework of an MMPA module according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a framework of another MMPA module according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a framework of another MMPA module according to an embodiment of the present application;

FIG. 5 is a block diagram of another MMPA module according to an embodiment of the present disclosure;

FIG. 6 is a block diagram of another MMPA module according to an embodiment of the present disclosure;

FIG. 7 is a block diagram of another MMPA module according to an embodiment of the present disclosure;

FIG. 8 is a block diagram of another MMPA module according to an embodiment of the present disclosure;

FIG. 9 is a schematic diagram of a framework of another MMPA module according to an embodiment of the present application;

FIG. 10 is a block diagram of another MMPA module according to an embodiment of the present disclosure;

fig. 11 is a schematic diagram of a framework of a radio frequency system 1 according to an embodiment of the present application;

fig. 12 is a schematic block diagram of another radio frequency system 1 according to an embodiment of the present application;

fig. 13 is a schematic block diagram of another rf system 1 according to an embodiment of the present application;

fig. 14 is a schematic block diagram of another radio frequency system 1 according to an embodiment of the present application;

fig. 15 is a schematic block diagram of another radio frequency system 1 according to an embodiment of the present application;

fig. 16 is a schematic frame diagram of a communication device a according to an embodiment of the present application;

fig. 17 is a schematic frame diagram of a mobile phone according to an embodiment of the present application.

Detailed Description

To facilitate understanding of the present application, the present application will be described in detail with reference to the accompanying drawings. In the following description, numerous specific details are set forth to provide a thorough understanding of the present application, and in the accompanying drawings, preferred embodiments of the present application are set forth. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the description of the present application, "a number" means at least one, such as one, two, etc., unless specifically limited otherwise.

The radio frequency system according to the embodiment of the present application may be applied to a communication device having a wireless communication function, where the communication device may be a handheld device, a vehicle-mounted device, a wearable device, a computing device or other processing devices connected to a wireless modem, and various forms of User Equipment (UE) (e.g., a Mobile phone), a Mobile Station (MS), and the like. For convenience of description, the above-mentioned devices are collectively referred to as a communication device. The network devices may include base stations, access points, and the like.

At present, as shown in fig. 1A, a radio frequency system 1 commonly used for electronic devices such as mobile phones includes an MMPA module 10, a transmitting module 20 (the transmitting module is also called a TXM module), a radio frequency transceiver 30 and an antenna group 40, where 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 rf transceiver is configured to send or receive rf signals through the signal path of the MMPA module 10 and the antenna group 40, or send or receive rf signals through the transmitting module 20 and the antenna group 40, and in addition, the MMPA module 10 may also be connected to the transmitting module 20 to form a signal processing path to send or receive rf signals through a corresponding antenna.

As shown IN fig. 1B, IN an example of an MMPA module 10 provided IN this embodiment of the present application, 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, a first low-frequency signal transmitting port LB1, a second low-frequency signal transmitting port LB2, a third low-frequency signal transmitting port LB3, a fourth low-frequency signal transmitting port LB4, a fifth low-frequency signal transmitting port LB5, a first intermediate-frequency signal transmitting port MB1, a second intermediate-frequency signal transmitting port MB2, a third intermediate-frequency signal transmitting port MB3, a fourth intermediate-frequency signal transmitting port MB4, a fifth intermediate-frequency signal transmitting port MB5, a first high-frequency signal transmitting port HB1, a second high-frequency signal transmitting port HB2, a third high-frequency signal transmitting port HB3, a first high-frequency signal retransmitting port HB RX1, a second high-frequency signal retransmitting port HB2, The MMPA module 10 includes a first low-middle high frequency power supply port LMHB _ VCC1, a second high frequency power supply port HB _ VCC2, a second low-middle frequency power supply port LMB _ VCC2, a port SCLK1, a port SDA1, a port VIO1, a port VBATT1, a port SCLK2, a port SDA2, a port VIO2, and a port VBATT 2:

the low-frequency amplification circuit LB PA comprises a low-frequency front-stage PA (shown as a PA close to LB TX IN), a low-frequency matching circuit and a low-frequency rear-stage PA (shown as a PA far away from LB TX IN) which are cascaded, wherein the input end of the low-frequency front-stage PA is connected with the LB TX IN, the output end of the low-frequency front-stage PA is connected with the low-frequency matching circuit, the low-frequency matching circuit is connected with the low-frequency rear-stage PA, the power supply end of the low-frequency front-stage PA is connected with the LMHB _ VCC1, and the power supply end of the low-frequency rear-stage PA is connected with the LMB _ VCC2 and is used for receiving and processing low-frequency signals sent by a radio frequency transceiver;

the low-frequency selective switch is an SP5T switch, a P port of the SP5T switch is connected with an output end of the low-frequency rear-stage PA, and 5T ports are connected with the LB1, the LB2, the LB3, the LB4 and the LB5 in a one-to-one correspondence manner and used for selectively conducting a path between the LB PA of the low-frequency amplifying circuit and any low-frequency signal sending port;

the intermediate frequency amplification circuit MB PA comprises an intermediate frequency front stage PA (shown as a PA close to MB TX IN), an intermediate frequency matching circuit and an intermediate frequency rear stage PA (shown as a PA far away from MB TX IN), wherein the input end of the intermediate frequency front stage PA is connected with the MB TX IN, the output end of the intermediate frequency front stage PA is connected with the intermediate frequency matching circuit, the intermediate frequency matching circuit is connected with the intermediate frequency rear stage PA, the power supply end of the intermediate frequency front stage PA is connected with the LMHB _ VCC1, and the power supply end of the intermediate frequency rear stage PA is connected with the LMB _ VCC2 and is used for receiving and processing intermediate frequency signals sent by a radio frequency transceiver;

the intermediate frequency selective switch is an SP5T switch, a P port of the SP5T switch is connected with an output end of the intermediate frequency post-stage PA, and 5T ports are connected with the MB1, the MB2, the MB3, the MB4 and the MB5 in a one-to-one correspondence manner, and are used for selectively conducting a path between the intermediate frequency amplifying circuit MB PA and any intermediate frequency signal sending port;

the high-frequency amplifying circuit HB PA comprises a high-frequency front stage PA (shown as a PA close to HB TX IN), a high-frequency matching circuit and a high-frequency rear stage PA (shown as a PA far from HB TX IN) which are cascaded, wherein the input end of the high-frequency front stage PA is connected with the MB TX IN, the output end of the high-frequency front stage PA is connected with the high-frequency matching circuit, the high-frequency matching circuit is connected with the high-frequency rear stage PA, the power supply end of the high-frequency front stage PA is connected with the LMHB _ VCC1, and the power supply end of the high-frequency rear stage PA is connected with the HB _ VCC2 and is used for receiving and processing high-frequency signals sent by a radio frequency transceiver;

the first high-frequency selection switch is an SPST switch, a P port is connected with the output end of the high-frequency post-stage PA, and a T port is connected with HB 1;

the second high-frequency selection switch is an SPDT switch, a P port is connected with HB2, one T port is connected with HB1, and the other T port is connected with HB RX 2;

the third high-frequency selective switch is an SPDT switch, a P port is connected with HB3, one T port is connected with HB1, and the other T port is connected with HB RX 1;

the first Controller CMOS Controller1 is connected to the port SCLK1, the port SDA1, the port VIO1 and the port VBATT1, and is configured to receive a first mobile processor industrial interface BUS MIPI BUS control signal of the port SCLK1 and the port SDA1, receive a first MIPI power supply signal of the VIO1, and receive a first bias voltage signal of the VBATT 1;

the second Controller CMOS Controller2 is connected to the port SCLK2, the port SDA2, the port VIO2 and the port VBATT2, and is configured to receive a second MIPI BUS control signal of the port SCLK2 and the port SDA2, receive a second MIPI power supply signal of the VIO2, and receive a second bias voltage signal of the VBATT 2.

The working frequency range of the low-frequency signal, the intermediate-frequency signal and the high-frequency signal which can be processed by the signal processing circuit of the MMPA module 10 is 663 MHz-2690 MHz. Therefore, the existing MMPA module only integrates a circuit supporting low-frequency signals, intermediate-frequency signals and high-frequency signals, and with the continuous business of the fifth generation 5G ultrahigh frequency (e.g., UHB n77(3.3 GHz-4.2 GHz), n78(3.3 GHz-3.8 GHz)) in various countries, the processing of ultrahigh frequency signals by electronic devices such as mobile phones and the like has become a necessary requirement.

In the current scheme, in order to support the processing capability of the uhf signal, a terminal manufacturer needs to use an additional power amplifier module supporting the uhf signal. Meanwhile, the conventional MMPA module does not consider the situation that the fourth generation 4G radio access network and the fifth generation 5G New air interface NR are connected in a Dual connection (E-UTRAand New radio Dual Connectivity, EN-DC) mode among low-frequency signals, intermediate-frequency signals and high-frequency signals in power supply, and power supplies of all signal processing circuits are connected together. In this case, an additional MMPA module is needed to realize the EN-DC before the low-frequency signal and the intermediate-frequency signal, and before the low-frequency signal and the high-frequency signal.

As shown in fig. 2, an embodiment of the present invention provides a Multi-band Multi-mode power amplifier (MMPA) module 10, including:

a non-uhf amplification circuit 500 configured to receive and process the non-uhf transmission signal from the radio frequency transceiver 30 and output to the target non-uhf output port 800 via the target selection switch 550;

the ultrahigh frequency amplification circuit 400 includes:

an uhf transmission circuit 410 configured to receive and process an uhf transmission signal from the rf transceiver 30 and output to a target uhf output port sequentially through the coupler 610, the 3P4T switch 540 or sequentially through the coupler 610, the 3P4T switch 540 and a filter, wherein the filter is the first filter 710 or the second filter 720;

a first uhf receiver circuit 420 configured to receive and process a first uhf receiver signal at a first target uhf input port through the 3P4T switch 540 or through the filter and the 3P4T switch 540 in sequence, amplify the first uhf receiver signal, and output the amplified first uhf receiver signal to the rf transceiver 30;

a second uhf receiver circuit 430, configured to receive and process a second uhf reception signal at a second target uhf input port through the 3P4T switch 540 or through the filter and the 3P4T switch 540 in sequence, amplify the second uhf reception signal, and output the amplified second uhf reception signal to the rf transceiver 30;

wherein a first P-port of the 3P4T switch 540 is connected to the coupler 610, a second P-port of the 3P4T switch 540 is configured to be connected to an input of the first uhf receiver circuit 420, a third P-port of the 3P4T switch 540 is configured to be connected to an input of the second uhf receiver circuit 430, a first T-port of the 3P4T switch 540 is configured to be connected to a first end of the first filter 710, a second end of the first filter 710 is connected to a first SRS port 810 of the MMPA module 10, a second T-port of the 3P4T switch 540 is configured to be connected to a first end of the second filter 720, a second end of the second filter 720 is connected to a second SRS port 810 of the MMPA module 10, a third T-port of the 3P4T switch 540 is configured to be connected to a first uhf antenna port 820 of the MMPA module 10, the fourth T port of the 3P4T switch 540 is configured to connect with the second uhf antenna port 830 of the MMPA module 10; the target uhf output port, the first target uhf input port, and the second target uhf input port are any one of the first SRS port 810, the second SRS port 810, the first uhf antenna port 820, and the second uhf antenna port 830.

For example, the SRS port 810 refers to an antenna port for receiving or transmitting an ultra-high frequency signal.

In a specific implementation, the 3P4T switch 540 is configured to selectively turn on signal paths between any one of the uhf transmission circuit 410, the first uhf reception circuit 420, and the second uhf reception circuit 430 and any one of the first uhf antenna port 820, the second uhf antenna port 830, and the two SRS ports 810, so as to support a round-robin function of the uhf signals between the antennas. The SRS switching4 antenna transmitting function of the mobile phone is a necessary option of China Mobile communication group CMCC in 'Chinese Mobile 5G Scale test technology white paper terminal', and is optional in third Generation partnership project 3GPP, and the main purpose is that a base station determines the quality and parameters of 4 channels by measuring uplink signals of 4 antennas of the mobile phone, and then carries out beam forming of a downlink maximized multi-input multi-output Massive MIMO antenna array aiming at the 4 channels according to channel reciprocity, so that the downlink 4x 4MIMO obtains the best data transmission performance.

It can be seen that, in the embodiment of the present application, the MMPA module further supports the ultra-high frequency signal on the basis of supporting the non-ultra-high frequency signal, and the processing circuit at the ultra-high frequency end supports the 4-antenna SRS function and supports the receiving processing of two paths of ultra-high frequency signals, thereby simplifying the radio frequency front end architecture.

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

the low-frequency amplification circuit 100 is configured to receive a low-frequency transmission signal from the radio frequency transceiver 30, amplify the low-frequency transmission signal, and output the amplified low-frequency transmission signal to the target low-frequency output port 840 through the first selection switch 510;

an intermediate frequency amplifying circuit 200 configured to receive the intermediate frequency transmission signal from the radio frequency transceiver 30, amplify the intermediate frequency transmission signal, and output the amplified intermediate frequency transmission signal to a target intermediate frequency output port 850 through a second selection switch 520;

and a high frequency amplifying circuit 300 configured to receive the high frequency transmitting signal from the radio frequency transceiver 30, amplify the high frequency transmitting signal, and output the amplified high frequency transmitting signal 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 a 3G, 4G, 5G network, the intermediate frequency signals may include intermediate frequency signals in a 3G, 4G, 5G network, the high frequency signals may include high frequency signals in a 3G, 4G, 5G network, and the ultra high frequency signals may include ultra high frequency signals in a 5G network. The frequency band division of signals of the 2G network, the 3G network, the 4G network and the 5G network is shown in table 1.

TABLE 1

Illustratively, the low-frequency amplification circuit 100 is specifically configured to amplify low-frequency transmission signals of a 3G network, a 4G network, and a 5G network; the intermediate frequency amplifying circuit 200 is specifically configured to amplify intermediate frequency signals of a 3G network, a 4G network, and a 5G network; the high-frequency amplification circuit 300 is specifically configured to amplify high-frequency signals of a 3G network, a 4G network, and a 5G network; the uhf amplifier circuit 400 is specifically configured to amplify an uhf signal of a 5G network.

In some embodiments, the low frequency amplification circuit 100 is configured to receive the low frequency transmit signal at a first supply voltage;

the intermediate frequency amplifying circuit 200 configured to receive the intermediate frequency transmission signal at a second supply voltage;

the high-frequency amplification circuit 300 configured to receive the high-frequency transmission signal at the second supply voltage;

the uhf amplification circuit 400 is configured to receive the uhf transmission signal or the uhf reception signal at the second supply voltage.

For example, the first and second supply voltages may be less than or equal to 3.6V.

As can be seen, in this example, since the first power supply voltage and the second power supply voltage are independently powered, the MMPA module can simultaneously process the low-frequency transmit signal and the target frequency band signal, and the target frequency band signal is any one of the intermediate-frequency transmit signal, the high-frequency transmit signal, and the ultra-high-frequency transmit signal.

In some embodiments, the MMPA module 10 is configured to implement a dual-connection EN-DC function between a fourth generation 4G radio access network and a fifth generation 5G new air interface NR between a non-ultrahigh frequency transmitting signal and the ultrahigh frequency transmitting signal.

Exemplary, 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 frequency band	5G NR frequency band	EN-DC
			LB	MB	LB+MB
LB	HB	LB+HB
			LB	UHB	LB+UHB

Specifically, when the low-frequency amplification circuit and the intermediate-frequency amplification circuit work simultaneously, the EN-DC combination of LB + MB is satisfied; when the low-frequency amplifying circuit and the intermediate-frequency amplifying circuit work simultaneously, the EN-DC combination of LB + HB is met; when the low-frequency amplifying circuit and the ultrahigh-frequency amplifying circuit work simultaneously, the EN-DC combination of LB + UHB is satisfied.

It can be seen that, in the embodiment of the application, the MMPA module can realize dual-transmission processing of multiple signal combinations through independent power supply, and the device capability is improved.

In some embodiments, the uhf transmission circuit 410 includes a single power amplifier to achieve power amplification of the uhf transmission signal; or,

the uhf transmission circuit 410 includes a plurality of power amplifiers and a power combining unit, and the power amplification processing of the uhf transmission signal is implemented in a power combining manner.

For example, the uhf transmission 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, and the second power amplifier is connected to the coupler 610.

It can be seen that, in this example, the specific implementation manner of the uhf transmission circuit 410 may be various, and is not limited herein.

In some embodiments, the first uhf receiver circuit 420 comprises a single lna to enable power amplification of the first uhf receiver signal; the second uhf receiver circuit 430 includes a single lna to perform power amplification processing on the second uhf receiver signal.

In this example, the arrangement of a single power amplifier simplifies the circuit structure, reduces the cost, and improves the space utilization.

In some embodiments, the second selection switch is an SP5T switch, a P port of the second selection switch is connected to the output end of the intermediate frequency amplification circuit, and 5T ports of the second selection switch are connected to 5 intermediate frequency output ports of the MMPA module in a one-to-one correspondence.

As can be seen, in this example, the MMPA module supports multiple flexible processing for the radio frequency signals of the medium frequency band.

In some embodiments, as shown in fig. 4, the first selection switch 510 may be an SP5T switch, where the P port is connected to the output end of the low frequency amplification circuit 100, the 5T ports are connected to 5 low frequency output ports (shown as LB TX1-5) of the MMPA module 10 in a one-to-one correspondence, the 5 low frequency output ports are selectively connected to the second antenna unit (e.g., the low frequency antenna unit), and the target low frequency output port is any one of the 5 low frequency output ports.

The second selection switch 520 may be an SP5T switch, where the P port is connected to the output end of the if amplifying circuit 200, the 5T ports are connected to the 5 if output ports (shown as MB TX1-5) of the MMPA module 10 in a one-to-one correspondence, the 5 if output ports are selectively connected to the third antenna unit (e.g., the if antenna unit), and the target if output port is any one of the 5 if output ports.

The third selection switch 530 may be a 3P3T switch, a first P port is connected to the output end of the high-frequency amplification circuit 300, a second P port is connected to the first high-frequency output port (illustrated as HB TX1) of the MMPA module 10, a third P port is connected to the second high-frequency output port (illustrated as HB TX2) of the MMPA module 10, a first T port is connected to the third high-frequency output port (illustrated as HB TX3) of the MMPA module 10, the second and third T ports are connected to 2 high-frequency transceiving ports (illustrated as HB TRX1 and HB TRX2) of the MMPA module 10 in a one-to-one correspondence, the first high-frequency output port and the second high-frequency output port may be connected to a high-frequency receiving module, the high-frequency receiving module is configured to receive high-frequency signals, and the third high-frequency output port and the 2 high-frequency transceiving ports are both connected to a fourth antenna unit (e.g., a high-frequency antenna unit).

The high frequency receiving Module may be, for example, a radio frequency Low Noise Amplifier (Low Noise Amplifier front end Module, LFEM), a Diversity receiving Module (Diversity Receive Module with Antenna Switch Module and filter and SAW, DFEM), a Multi-band Low Noise Amplifier (MLNA), and the like.

As can be seen, in this example, the MMPA module supports multiple flexible processing for radio frequency signals of low frequency band, medium frequency band, and high frequency band.

As shown in fig. 5, the present application provides another multi-mode multi-band power amplifier MMPA module 10, which includes:

a non-ultrahigh frequency amplifying unit 910, connected to the target selecting switch 550, for receiving and processing the non-ultrahigh frequency transmitting signal from the radio frequency transceiver 30, and outputting the non-ultrahigh frequency transmitting signal to the target non-ultrahigh frequency output port 800 through the target selecting switch 550;

the first ultrahigh frequency amplifying unit 411 is sequentially connected to the coupler 610, the 3P4T switch 540 and the filter, and configured to receive and process the ultrahigh frequency transmission signal from the radio frequency transceiver 30, amplify the ultrahigh frequency transmission signal, and output the ultrahigh frequency transmission signal to a target ultrahigh frequency output port through the coupler 610 and the 3P4T switch 540 in sequence or through the coupler 610, the 3P4T switch 540 and the filter in sequence, where the filter includes a first filter 710 and a second filter 720;

the second ultrahigh frequency amplifying unit 421 is sequentially connected to the 3P4T switch 540 and the filter, and configured to receive and process the first ultrahigh frequency receive signal at the first target ultrahigh frequency input port through the 3P4T switch 540 or sequentially through the filter and the 3P4T switch 540, amplify the first ultrahigh frequency receive signal, and output the amplified first ultrahigh frequency receive signal to the radio frequency transceiver 30;

a third uhf amplification unit 431, sequentially connected to the 3P4T switch 540 and the filter, for receiving and processing a second uhf reception signal at a second target uhf input port through the 3P4T switch 540 or sequentially through the filter and the 3P4T switch 540, and outputting the second uhf reception signal to the rf transceiver 30 after amplifying the second uhf reception signal;

wherein a first P port of the 3P4T switch 540 is connected to the coupler 610, the second P port of the 3P4T switch 540 is connected to the input terminal of the second uhf amplifying unit 421, the third P port of the 3P4T switch 540 is connected to the input of the third uhf amplifying unit 431, the first T port of the 3P4T switch 540 is connected to a first terminal of the first filter 710, a second terminal of the first filter 710 is connected to a first SRS port 810 of the MMPA module 10, the second T port of the 3P4T switch 540 is connected to a first terminal of the second filter 720, a second terminal of the second filter 720 is connected to a second SRS port 810 of the MMPA module, the third T-port of the 3P4T switch 540 is connected to the first uhf antenna port 820 of the MMPA module 10, the fourth T port of the 3P4T switch 540 is connected to the second uhf antenna port 830 of the MMPA module; the target uhf output port, the first target uhf input port, and the second target uhf input port are any one of the first SRS port 810, the second SRS port 810, the first uhf antenna port 820, and the second uhf antenna port 830.

In some embodiments, as shown in fig. 6, the target selection switch 550 includes a first selection switch 510, a second selection switch 520, and a third selection switch 530; the non-uhf amplification unit 910 includes:

a low frequency amplifying unit 110, connected to the first selection switch 510, for receiving and processing the low frequency transmitting signal from the radio frequency transceiver 30, and outputting the low frequency transmitting signal to the target low frequency output port 840 through the first selection switch 510 after performing amplification processing on the low frequency transmitting signal;

an intermediate frequency amplifying unit 210, connected to the second selection switch 520, for receiving and processing the intermediate frequency transmitting signal from the radio frequency transceiver 30, amplifying the intermediate frequency transmitting signal, and outputting the amplified intermediate frequency transmitting signal to a target intermediate frequency output port 850 through the second selection switch 520;

the high frequency amplifying unit 310 is connected to the third selection switch 530, and configured to receive and process the high frequency transmitting signal from the radio frequency transceiver 30, amplify the high frequency transmitting signal, and output the amplified high frequency transmitting signal to the target high frequency output port 860 through the third selection switch 530.

For example, each of the low-frequency amplification unit 110, the intermediate-frequency amplification unit 210, the high-frequency amplification unit 310, the first ultrahigh-frequency amplification unit 411, the second ultrahigh-frequency amplification unit 421, and the third ultrahigh-frequency amplification unit 431 may include a power amplifier to perform power amplification on the received radio frequency signal.

For example, the amplifying unit may further include a plurality of power amplifiers and a power combining unit, and the power amplifying process on the radio frequency signal is implemented in a power combining manner or the like.

In some embodiments, the low frequency amplification unit 110 is powered by a first power supply module; the intermediate frequency amplifying unit 210, the high frequency amplifying unit 310, the first ultrahigh frequency amplifying unit 411 and the second ultrahigh frequency amplifying unit 421 are powered by a second power supply module.

It can be seen that, in the embodiment of the present application, the MMPA module supports processing of a radio frequency signal in any frequency band of a low frequency band, an intermediate frequency band, a high frequency band and an ultrahigh frequency band, and the low frequency amplification unit and the target amplification unit are independently powered, and the target amplification unit is any one of the intermediate frequency amplification unit, the high frequency amplification unit and the ultrahigh frequency amplification unit, so that the low frequency signal and other signals can be simultaneously transmitted, and further, the MMPA module can simultaneously output two paths of signals to support amplification of a 4G LTE signal and a 5G NR signal, and EN-DC of the 4G LTE signal and the 5G NR signal is realized. Meanwhile, the MMPA module supports the SRS function of 4 antennas and supports the receiving processing of two paths of ultrahigh frequency signals, thereby simplifying the radio frequency front end architecture.

As shown in fig. 7, the present embodiment provides another multi-mode multi-band power amplifier MMPA module 10, which is configured with a non-uhf receive port 870 for receiving a non-uhf transmit signal of a rf transceiver 30, an uhf receive port 880 for receiving an uhf transmit signal of the rf transceiver 30, a first uhf output port 890 for transmitting a first uhf receive signal from an antenna, a second uhf output port 891 for transmitting a second uhf receive signal from an antenna, and a non-uhf output port 800 for transmitting the non-uhf transmit signal, a third uhf output port for transmitting the uhf transmit signal, the third uhf output port including a first uhf antenna port 820, a second uhf antenna port 830, and two SRS ports 810; the MMPA module 10 includes:

the non-ultrahigh frequency amplifying circuit 500 is connected to the non-ultrahigh frequency receiving port 870 and is configured to amplify the non-ultrahigh frequency transmitting signal;

a target selection switch 550, connected to the output terminal of the non-ultrahigh frequency amplification circuit 500 and the non-ultrahigh frequency output port 800, for selectively connecting a path between the non-ultrahigh frequency amplification circuit 500 and a target non-ultrahigh frequency output port, where the target non-ultrahigh frequency output port is any one of the non-ultrahigh frequency output ports 800;

the ultrahigh frequency transmitting circuit 410 is connected with the ultrahigh frequency receiving port 880 and used for amplifying the ultrahigh frequency transmitting signal;

the first ultrahigh frequency receiving circuit 420 is connected to the first ultrahigh frequency output port 890 and configured to amplify the first ultrahigh frequency receiving signal;

the second ultrahigh frequency receiving circuit 430 is connected to the second ultrahigh frequency output port 891, and is configured to amplify the second ultrahigh frequency received signal;

a coupler 610, a first end of the coupler 610 is connected to the output end of the uhf transmission circuit 410, and a second end of the coupler 610 is connected to the coupling port 811 of the MMPA module 10, and is configured to detect power information of the uhf transmission signal and output the power information through the coupling port 811;

a 3P4T switch 540, a first P port of the 3P4T switch 540 is connected to the third terminal of the coupler 610, a second P port of the 3P4T switch 540 is connected to the input terminal of the first uhf receiver circuit 420, a third P port of the 3P4T switch 540 is connected to the input terminal of the second uhf receiver circuit 430, a third T port of the 3P4T switch 540 is connected to the first uhf antenna port 820 of the MMPA module 10, and a fourth T port of the 3P4T switch is connected to the second uhf antenna port 830 of the MMPA module 10, for selectively turning on a signal path between any one of the uhf transmitter circuit 410, the first uhf receiver circuit 420, the second uhf receiver circuit 430, and the third uhf output port;

a first filter 710, a first end of the first filter 710 is connected to the first T port of the 3P4T switch 540, and a second end of the first filter 710 is connected to the first SRS port 810, for filtering the uhf transmission signal or the first uhf reception signal or the second uhf reception signal;

a second filter 720, a first end of the second filter 720 is connected to the second T port of the 3P4T switch 540, and a second end of the second filter 720 is connected to the second SRS port 810, for filtering the uhf transmission signal or the first uhf reception signal or the second uhf reception signal.

In some embodiments, as shown in fig. 8, the non-uhf receive port 870 comprises:

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

an intermediate frequency receive port 872 for receiving intermediate frequency transmit signals 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 transmitting the low frequency transmit signal;

an intermediate frequency output port 802 for transmitting the intermediate frequency transmission signal; and

a high frequency output port 803 for transmitting the high frequency transmit signal.

In some embodiments, as shown in fig. 9, the MMPA module 10 is further configured with a first power port 812 and a second power port 813; the target selection switch 550 includes a first selection switch 510, a second selection switch 520, and a third selection switch 530;

the non-ultrahigh frequency amplifying circuit 500 comprises a low frequency amplifying circuit 100, an intermediate frequency amplifying circuit 200 and a high frequency amplifying circuit 300;

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

the first selection switch 510 is connected to the output end of the low-frequency amplification circuit 100 and the low-frequency output port 801, and is configured to select a path between the low-frequency amplification circuit 100 and a target low-frequency output port, where the target low-frequency output port is any one of the low-frequency output ports 871;

the if amplifying circuit 200 is connected to the if receiving port 872 and the second power supply port 813, and configured to amplify the if transmitting signal at the second power supply voltage of the second power supply port;

the second selection switch 520 is connected to the output end of the intermediate frequency amplifying circuit 200 and the intermediate frequency output port 802, and is configured to selectively turn on a path between the intermediate frequency amplifying circuit 200 and a target intermediate frequency output port, where the target intermediate frequency output port is any one of the intermediate frequency output ports 802;

the high-frequency amplification circuit 300, which is connected to the high-frequency receiving port 873 and the second power supply port 813, is configured to amplify the high-frequency transmission signal at the second power supply voltage of the second power supply port 813;

the third selection switch 530, which is connected to the output terminal of the high-frequency amplifier circuit 300 and the high-frequency output port 803, is configured to select a path for connecting the high-frequency amplifier circuit 300 and a target high-frequency output port, where the target high-frequency output port is any one of the high-frequency output ports 803;

the ultrahigh frequency transmitting circuit 410 is configured to amplify the ultrahigh frequency transmitting signal at the second supply voltage of the second supply port 813;

the first uhf receiver circuit 420 is configured to amplify the first uhf receiver signal at the second supply voltage of the second supply port 813;

the second uhf receiver circuit 430 is configured to amplify the second uhf receiver signal at the second supply voltage of the second supply port 813.

It should be noted that the number of the first power supply ports VCC1 and the second power supply ports VCC2 may be set according to the number of power amplifiers included in the corresponding transmitting circuits of each frequency band, specifically, the number of the first power supply ports VCC1 may be equal to the number of power amplifiers in the low frequency amplifying unit, for example, may be 2.

It can be seen that, in the embodiment of the present application, the MMPA module supports processing of a radio frequency signal in any frequency band of a low frequency band, an intermediate frequency band, a high frequency band, and an ultrahigh frequency band, and the low frequency amplification circuit and the target amplification circuit are independently powered, and the target amplification circuit is any one of the intermediate frequency amplification circuit, the high frequency amplification circuit, and the ultrahigh frequency amplification circuit, so that the low frequency signal and other signals can be simultaneously transmitted, and further, the MMPA module can simultaneously output two paths of signals to support amplification of a 4G LTE signal and a 5G NR signal, and EN-DC of the 4G LTE signal and the 5G NR signal is realized. Meanwhile, the MMPA module supports the SRS function of 4 antennas and the receiving processing of two paths of ultrahigh frequency signals, and simplifies the radio frequency front end architecture.

For example, as shown IN fig. 10, the present embodiment of the application provides a schematic structural diagram of an MMPA module 10, IN which the MMPA module 10 includes, IN addition to the low-frequency processing circuit and the related port, the intermediate-frequency processing circuit and the related port, the high-frequency processing circuit and the related port, the first Controller (shown as MIPI RFFE Controller1(PA)), the second Controller (shown as MIPI RFFE Controller2(PA)), and the related port IN the MMPA module 10 shown IN fig. 1B, an ultra-high frequency receiving port (shown as N77TX IN) for receiving N77-band signals of the radio frequency transceiver, ultra-high frequency transmitting ports (shown as N77 RX1, N77 RX2) for transmitting N77-band signals to the radio frequency transceiver, 2 SRS ports (shown as OUT1, and OUT2), 2 SRS antenna ports (shown as UHB 1 and UHB 2), and a coupling port (shown as CPL OUT _ OUT), the power supply system comprises a port SCLK3, a port SDA3, a port VIO3, a port VDD, a first middle-high ultrahigh frequency power supply port MHB _ UHB _ VCC1, a second middle-high ultrahigh frequency power supply port MHB _ UHB _ VCC2, a first low-frequency power supply port LB _ VCC1 and a second low-frequency power supply port LB _ VCC 2; the MMPA module 10 further includes:

an ultrahigh frequency amplifying circuit (shown as UHB PA) for receiving an ultrahigh frequency signal of the radio frequency transceiver through a port n77TX IN, performing amplification processing, and outputting the ultrahigh frequency signal to a target ultrahigh frequency output port through the coupler and the 3P4T switch or sequentially through the coupler, the 3P4T switch and the filter, where the target ultrahigh frequency output port is any one of a port SRS OUT1, a port SRS OUT2, an SRS OUT3, a port UHB ANT1 and a port UHB ANT 2;

a first uhf receiving circuit (illustrated as a low noise filter connected to the port n77 RX 1) for receiving and processing an uhf signal via the first target uhf receiving port, the 3P4T switch or sequentially via the first target uhf receiving port, the filter and the 3P4T switch, and transmitting the uhf signal to the rf transceiver via the port n77 RX1, where the first target uhf receiving port is any one of the ports SRS OUT1, SRS OUT2, SRS OUT3, UHB ANT1 and UHB ANT 2;

a second uhf receiving circuit (illustrated as a low noise filter connected to the port n77 RX2) for receiving and processing an uhf signal via a second target uhf receiving port, the 3P4T switch or sequentially via the second target uhf receiving port, the filter and the 3P4T switch, and transmitting the uhf signal to the radio frequency transceiver via the port n77 RX2, where the second target uhf receiving port is any one of the port SRS OUT1, the port SRS OUT2, the SRS OUT3, the port UHB ANT1 and the port UHB ANT 2;

a third Controller (shown as MIPI RFFE Controller3(LNA)), connected to port SCLK3, port SDA3, port VIO3, port VDD, for receiving a third MIPI BUS control signal of port SCLK3 and port SDA3, receiving a second MIPI power supply signal of VIO3, and receiving a voltage signal of VDD;

in addition, the power amplifier of the low-frequency amplification circuit part is supplied with power through ports LB _ VCC1 and LB _ VCC2, and the power amplifier of the intermediate-frequency amplification circuit, the high-frequency amplification circuit and the ultrahigh-frequency amplification circuit part is supplied with power through ports MHB _ UHB _ VCC1 and MHB _ UHB _ VCC2, so that the low-frequency signal and the target frequency band signal can be processed simultaneously through independent power supply, the target frequency band signal is any one of the intermediate-frequency signal, the high-frequency signal and the ultrahigh-frequency signal, and the EN-DC function is realized.

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

an MMPA module 10 according to any of the embodiments herein;

the radio frequency transceiver 30 is connected with the MMPA module and is used for sending and/or receiving ultrahigh frequency signals and non-ultrahigh frequency signals;

the first antenna unit 40 is connected to the ultrahigh frequency antenna ports of the MMPA module, where the ultrahigh frequency antenna ports include two SRS ports 810, a first ultrahigh frequency antenna port 820 and a second ultrahigh frequency antenna port 830;

the target antenna unit 80 is connected with a target antenna port 804 of the MMPA module;

For example, the signal transmitting port and the signal receiving port of each frequency band of the radio frequency transceiver 30 are respectively connected to the amplifying circuit of the corresponding frequency band, specifically, the low frequency signal transmitting port and the low frequency signal receiving port of the radio frequency transceiver 30 may be connected to a low frequency amplifying circuit, the intermediate frequency signal transmitting port and the intermediate frequency signal receiving port of the radio frequency transceiver 30 may be connected to an intermediate frequency amplifying circuit, the high frequency signal transmitting port and the high frequency signal receiving port of the radio frequency transceiver 30 may be connected to a high frequency amplifying circuit, the ultrahigh frequency signal receiving port and the ultrahigh frequency signal transmitting port of the radio frequency transceiver 30 may be connected to an ultrahigh frequency amplifying circuit, and the like, and in addition, the signal receiving module and the like may be connected to receive signals of each frequency band. And are not intended to be limiting.

It can be seen that, in the embodiment of the present application, the radio frequency system includes the MMPA module, the MMPA module further supports the ultrahigh frequency signal on the basis of supporting the non-ultrahigh frequency signal, and the processing circuit at the ultrahigh frequency end supports the 4-antenna SRS function, and supports the receiving processing of two paths of ultrahigh frequency signals, thereby simplifying the radio frequency front end architecture.

In some embodiments, as shown in fig. 12, the target antenna ports 804 include 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:

a second antenna element 50 connected to the low frequency antenna port 805;

a third antenna unit 60 connected to the if antenna port 806;

and a fourth antenna unit 70 connected to the high-frequency antenna port 807.

In some embodiments, as shown in fig. 13, the radio frequency system 1 further includes:

the first power supply module 21 is connected to the low-frequency amplification circuit 100 of the MMPA module 10, and configured to provide a first power supply voltage for the low-frequency amplification circuit 100;

the second power supply module 22 is configured to connect the intermediate frequency amplification circuit 200, the high frequency amplification circuit 300, and the ultrahigh frequency amplification circuit 400 of the MMPA module 10, and configured to provide a second power supply voltage for any one of the intermediate frequency amplification circuit 200, the high frequency amplification circuit 300, and the ultrahigh frequency amplification circuit 400;

the radio frequency system 1 is configured to provide the first power supply voltage for the low-frequency amplification circuit 100 through the first power supply module 21 to implement processing of a low-frequency transmission signal, and is configured to provide the first power supply voltage for the intermediate-frequency amplification circuit 200, the high-frequency amplification circuit 300, or the ultra-high-frequency amplification circuit 400 through the second power supply module 22 to implement processing of an intermediate-frequency transmission signal, a high-frequency transmission signal, or an ultra-high-frequency transmission signal.

For example, the input voltage of the first power supply module 21 and the second power supply module 22 may be the output voltage of the battery unit, and is typically between 3.6V and 4.2V. By adopting the first power supply voltage and the second power supply voltage to supply power to each amplifying circuit, a boost circuit can be prevented from being added in the power supply module, so that the cost of each power supply module is reduced.

Specifically, the first Power supply module 21 and the second Power supply module 22 may be Power management chips (PMICs). When the power synthesis is used to perform power amplification processing on the radio frequency signal, the PMIC without the boost circuit may be used to supply power to each amplification unit.

In this embodiment, the magnitudes of the first power supply voltage and the second power supply voltage are not limited uniquely, and may be set according to communication requirements and/or specific structures of the amplifying circuits. In addition, the first power supply module may include an RF PMIC #1, and the second power supply module may include an RF PMIC # 2. Neither of the RF PMIC #1 and RF PMIC #2 includes a boost circuit, i.e., the output voltage of the RF PMIC #1 and RF PMIC #2 is less than or equal to the input voltage of the RF PMIC #1 and RF PMIC # 2.

In some embodiments, the first power supply module 21 and the second power supply module 22 may each include a Buck power supply (Buck Source) having a supply voltage Vcc at an output of the Buck power supply less than or equal to 3.6V. The step-down power supply can be understood as a step-down adjustable voltage-stabilizing direct-current power supply with output voltage lower than input voltage.

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 that are matched with the MMPA module, so that the radio frequency system integrally supports processing of radio frequency signals in any frequency band of low frequency, intermediate frequency, high frequency and ultrahigh frequency, because the low frequency amplification circuit and the target amplification circuit independently supply power, the target amplification circuit is any one of the intermediate frequency amplification circuit, the high frequency amplification circuit and the ultrahigh frequency amplification circuit, so that the low frequency signals and other signals can be simultaneously transmitted, and further, the MMPA module can simultaneously output two paths of signals to support amplification of 4G LTE signals and 5G NR signals, and EN-DC of the 4G LTE signals and the 5G NR signals is realized. Meanwhile, the MMPA module supports the SRS function of 4 antennas and the receiving processing of two paths of ultrahigh frequency signals, and simplifies the radio frequency front end architecture.

In some embodiments, as shown in fig. 14, the first antenna element 40 includes:

a first antenna 31 connected to the first uhf antenna port 820;

a second antenna 32 connected to said second uhf antenna port 830;

a third antenna 33 connected to the first SRS port 810;

and a fourth antenna 34 connected to the second SRS port 810.

Illustratively, the first antenna 31 supports uhf signals, such as N77, the second antenna 32 supports uhf signals, such as N77, the third antenna 33 supports uhf signals, such as N77, and the fourth antenna 34 supports uhf signals, such as N77.

As can be seen, in this example, since the first antenna unit has 4 antennas corresponding to the four ports one to one, and the antennas are arranged independently of each other, flexibility and stability of signal transceiving are improved.

In some embodiments, as shown in fig. 15, the radio frequency system 1 further includes:

a first rf switch 71, including a P port and two T ports, where the P port is connected to the second antenna 32, and a first T port is connected to the first SRS port;

a first receiving module 81, connected to the second T port of the first rf switch, for receiving the uhf signal received by the second antenna 32;

a second rf switch 72, including a P port and two T ports, where the P port is connected to the third antenna 33, and the first T port is connected to the second SRS port;

the second receiving module 82 is connected to the second T port of the second rf switch, and is configured to receive the uhf signal received by the third antenna 33.

For example, the first receiving Module 81 and the second receiving Module 82 may be a radio frequency Low Noise Amplifier Module (LFEM), a Diversity receiving Module (Diversity Receive Module with Antenna Switch Module and filter and SAW, DFEM), a Multi-band Low Noise Amplifier (MLNA), and the like.

Illustratively, the first receiving module 81 and the second receiving module 82 are connected to 2 uhf signal receiving ports of the rf transceiver 30 in a one-to-one correspondence manner, and are configured to output respective received uhf receiving signals to the rf transceiver 30 to implement receiving of multiple uhf signals.

Therefore, in this example, by controlling the four ultrahigh frequency signal receiving paths to receive the ultrahigh frequency signals at the same time, a 4 × 4MIMO function on the ultrahigh frequency signals can be realized, and the receiving and transmitting performance of the radio frequency system on the 5G ultrahigh frequency signals can be improved.

As shown in fig. 16, an embodiment of the present application provides a communication device a, including:

a radio frequency system 1 as claimed in any of the embodiments of the present application.

It can be seen that, in the embodiment of the present application, the communication device includes a radio frequency system, the radio frequency system includes an MMPA module, the MMPA module further supports the ultra-high frequency signal on the basis of supporting the non-ultra-high frequency signal, and the processing circuit at the ultra-high frequency end supports the 4-antenna SRS function, and supports the receiving processing of two paths of ultra-high frequency signals, thereby simplifying the radio frequency front end architecture.

As shown in fig. 17, further, a communication device is taken as an example to describe a smart phone 1000, and specifically, as shown in fig. 17, the smart phone 1000 may include a communication interface 101, a processor 102, a memory 103, and a radio frequency system 104.

The communication interface 101 includes an internal interface and an external interface, the internal interface includes a radio frequency interface, a camera interface, a display screen interface, a microphone interface, and the like, and the external interface may include a CAN interface, an RS232 interface, an RS485 interface, an I2C interface, and the like. The external interface is used to support communication between the smartphone 1000 and other devices, and the internal interface is used to support communication connections between the processor 102 and other components within the smartphone 1000, such as the processor 102 being connected to the rf system 104 through the internal interface.

The processor 102 interfaces the various components within the smartphone 1000 through an internal interface and bus 105. The Processor 102 may be, for example, a Central Processing Unit (CPU), a general purpose Processor, a Digital Signal Processor (DSP), an Application-Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, and the like. The processor 102 may be configured to implement a control algorithm that controls the use of the antenna in the smartphone 1000. Processor 102 may also issue control commands for controlling switches in rf system 104, and the like.

The memory 103 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, but not limitation, many forms of Random Access Memory (RAM) are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), synchlink DRAM (SLDRAM), and direct bus RAM (DR RAM).

The rf system 104 may be the rf system in any of the foregoing embodiments, wherein the rf system 104 is further configured to process rf signals of a plurality of different frequency bands. Such as satellite positioning radio frequency circuitry for receiving satellite positioning signals at 1575MHz, WiFi and bluetooth transceiver radio frequency circuitry for handling the 2.4GHz and 5GHz bands of IEEE802.11 communications, and cellular telephone transceiver radio frequency circuitry for handling wireless communications in cellular telephone bands, such as the 850MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz bands, and Sub-6G bands. The Sub-6G band may specifically include a 2.496GHz-6GHz band and a 3.3GHz-6GHz band.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A multi-mode multi-band power amplifier (MMPA) module, comprising:

the non-ultrahigh frequency amplifying circuit is configured to receive and process a non-ultrahigh frequency transmitting signal from the radio frequency transceiver and output the non-ultrahigh frequency transmitting signal to the target output port through the target selection switch;

an ultra-high frequency amplification circuit, comprising:

the ultrahigh frequency transmitting circuit is configured to receive and process an ultrahigh frequency transmitting signal from the radio frequency transceiver, and output the ultrahigh frequency transmitting signal to a target ultrahigh frequency output port sequentially through a coupler, a 3P4T switch or sequentially through the coupler, the 3P4T switch and a filter, wherein the filter is a first filter or a second filter;

the first ultrahigh frequency receiving circuit is configured to receive and process a first ultrahigh frequency receiving signal of a first target ultrahigh frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplify the first ultrahigh frequency receiving signal and output the first ultrahigh frequency receiving signal to the radio frequency transceiver;

the second ultrahigh frequency receiving circuit is configured to receive and process a second ultrahigh frequency receiving signal of a second target ultrahigh frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplify the second ultrahigh frequency receiving signal and output the second ultrahigh frequency receiving signal to the radio frequency transceiver;

wherein a first P port of the 3P4T switch is connected to the coupler and a second P port of the 3P4T switch is configured to be connected to an input of the first UHF receive circuit, a third P-port of the 3P4T switch is configured to be connected to an input of the second uhf receiver circuit, a first T port of the 3P4T switch is configured to connect to a first terminal of the first filter, the second end of the first filter is connected to the first SRS port of the MMPA module, a second T port of the 3P4T switch is configured to be connected to a first terminal of the second filter, a second end of the second filter is connected to a second SRS port of the MMPA module, the third T port of the 3P4T switch is configured to connect with the first uhf antenna port of the MMPA module, the fourth T port of the 3P4T switch is configured to connect with the second uhf antenna port of the MMPA module; the target ultrahigh frequency output port, the first target ultrahigh frequency input port, and the second target ultrahigh frequency input port are any one of the first SRS port, the second SRS port, the first ultrahigh frequency antenna port, and the second ultrahigh frequency antenna port.

2. The MMPA module of claim 1, wherein the target select switch comprises a first select switch, a second select switch, and a third select switch; the target output port includes: a target low-frequency output port, a target intermediate-frequency output port and a target high-frequency output port; the non-ultrahigh frequency amplifying circuit includes:

the low-frequency amplification circuit is configured to receive a low-frequency transmission signal from a radio frequency transceiver, amplify the low-frequency transmission signal and output the amplified low-frequency transmission signal to the target low-frequency output port through the first selection switch;

the intermediate frequency amplifying circuit is configured to receive an intermediate frequency transmitting signal from the radio frequency transceiver, amplify the intermediate frequency transmitting signal and output the amplified intermediate frequency transmitting signal to the target intermediate frequency output port through the second selection switch;

and the high-frequency amplification circuit is configured to receive the high-frequency transmission signal from the radio-frequency transceiver, amplify the high-frequency transmission signal and output the amplified high-frequency transmission signal to the target high-frequency output port through the third selection switch.

3. The MMPA module of claim 2,

the low frequency amplification circuit configured to receive the low frequency transmit signal at a first supply voltage;

the intermediate frequency amplification circuit configured to receive the intermediate frequency transmit signal at a second supply voltage;

the high-frequency amplification circuit configured to receive the high-frequency transmission signal at the second supply voltage;

the ultrahigh frequency amplifying circuit is configured to receive the ultrahigh frequency transmitting signal or the first ultrahigh frequency receiving signal or the second ultrahigh frequency receiving signal at the second supply voltage.

4. The MMPA module of claim 3, wherein the MMPA module is configured to implement a dual connectivity function of a fourth generation 4G radio access network and a fifth generation 5G new air interface NR between a non-UHF transmit signal and the UHF transmit signal.

5. The MMPA module of any one of claims 1-4, wherein the UHF transmit circuit comprises a single power amplifier to perform power amplification processing on the UHF transmit signal; or,

the ultrahigh frequency transmitting circuit comprises a plurality of power amplifiers and a power synthesis unit, and the power amplification processing of the ultrahigh frequency transmitting signal is realized in a power synthesis mode.

6. The MMPA module of claim 5, wherein the first UHF receive circuit comprises a single low noise amplifier to power amplify the first UHF receive signal; the second ultrahigh frequency receiving circuit comprises a single low noise amplifier to realize power amplification processing on the second ultrahigh frequency receiving signal.

7. The MMPA module of any one of claims 2-4, wherein the second selection switch is an SP5T switch, a P port of the second selection switch is connected to an output terminal of the intermediate frequency amplification circuit, and 5T ports of the second selection switch are connected to 5 intermediate frequency output ports of the MMPA module in a one-to-one correspondence.

8. A multi-mode, multi-band power amplifier (MMPA) module, comprising:

the first ultrahigh frequency amplifying unit is sequentially connected with the coupler, the 3P4T switch and the filter and used for receiving and processing an ultrahigh frequency transmitting signal from the radio frequency transceiver, amplifying the ultrahigh frequency transmitting signal, and outputting the ultrahigh frequency transmitting signal to a target ultrahigh frequency output port sequentially through the coupler and the 3P4T switch or sequentially through the coupler, the 3P4T switch and the filter, wherein the filter comprises a first filter and a second filter;

the second ultrahigh frequency amplification unit is sequentially connected with the 3P4T switch and the filter, and is used for receiving and processing a first ultrahigh frequency receiving signal of a first target ultrahigh frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplifying the first ultrahigh frequency receiving signal, and outputting the amplified first ultrahigh frequency receiving signal to the radio frequency transceiver;

the third ultrahigh-frequency amplifying unit is sequentially connected with the 3P4T switch and the filter, and is used for receiving and processing a second ultrahigh-frequency receiving signal at a second target ultrahigh-frequency input port through the 3P4T switch or sequentially through the filter and the 3P4T switch, amplifying the second ultrahigh-frequency receiving signal and outputting the amplified second ultrahigh-frequency receiving signal to the radio frequency transceiver;

9. The MMPA module of claim 8, wherein the target select switches comprise a first select switch, a second select switch, and a third select switch; the target output port includes: a target low-frequency output port, a target intermediate-frequency output port and a target high-frequency output port; the non-ultrahigh frequency amplification unit comprises:

the low-frequency amplification unit is connected with the first selection switch and is used for receiving and processing a low-frequency transmitting signal from the radio-frequency transceiver, amplifying the low-frequency transmitting signal and outputting the amplified low-frequency transmitting signal to a target low-frequency output port through the first selection switch;

the intermediate frequency amplification unit is connected with the second selection switch and is used for receiving and processing an intermediate frequency transmitting signal from the radio frequency transceiver, amplifying the intermediate frequency transmitting signal and outputting the amplified intermediate frequency transmitting signal to a target intermediate frequency output port through the second selection switch;

and the high-frequency amplification unit is connected with the third selection switch and used for receiving and processing the high-frequency transmission signal from the radio frequency transceiver, amplifying the high-frequency transmission signal and outputting the amplified high-frequency transmission signal to a target high-frequency output port through the third selection switch.

10. The MMPA module of claim 9, wherein the low frequency amplification unit is powered by a first power supply module;

the intermediate frequency amplification unit, the high frequency amplification unit, the first ultrahigh frequency amplification unit and the second ultrahigh frequency amplification unit are powered by a second power supply module.

11. A multi-mode multi-band power amplifier (MMPA) module is characterized by being configured with a non-ultrahigh frequency receiving port for receiving a non-ultrahigh frequency transmitting signal of a radio frequency transceiver, an ultrahigh frequency receiving port for receiving an ultrahigh frequency transmitting signal of the radio frequency transceiver, a first ultrahigh frequency output port for sending a first ultrahigh frequency receiving signal from an antenna, a second ultrahigh frequency output port for sending a second ultrahigh frequency receiving signal from the antenna, a non-ultrahigh frequency output port for sending the non-ultrahigh frequency transmitting signal, and a third ultrahigh frequency output port for sending the ultrahigh frequency transmitting signal, wherein the third ultrahigh frequency output port comprises a first ultrahigh frequency antenna port, a second ultrahigh frequency antenna port and two SRS ports; the MMPA module includes:

the second ultrahigh frequency receiving circuit is connected with the second ultrahigh frequency output port and is used for amplifying the second ultrahigh frequency receiving signal;

the first end of the coupler is connected with the output end of the ultrahigh frequency transmitting circuit, the second end of the coupler is connected with the coupling port of the MMPA module, and the coupler is used for detecting the power information of the ultrahigh frequency transmitting signal and outputting the power information through the coupling port;

a first end of the first filter is connected to the first T port of the 3P4T switch, and a second end of the first filter is connected to the first SRS port, and is configured to filter the uhf transmission signal or the first uhf reception signal or the second uhf reception signal;

12. The MMPA module of claim 11, wherein the non-uhf receive port comprises:

a low frequency receiving port for receiving a low frequency transmit signal of the radio frequency transceiver;

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

a high frequency receive port for receiving a high frequency transmit signal of the radio frequency transceiver;

the non-ultrahigh frequency output port comprises:

a low frequency output port for transmitting the low frequency transmit signal;

an intermediate frequency output port for transmitting the intermediate frequency transmission signal; and

a high frequency output port for transmitting the high frequency transmit signal.

13. The MMPA module of claim 12, wherein the MMPA module is further configured with a first power port and a second power port; the target selection switch comprises a first selection switch, a second selection switch and a third selection switch; the target output port includes: a target low-frequency output port, a target intermediate-frequency output port and a target high-frequency output port;

the non-ultrahigh frequency amplifying circuit comprises a low-frequency amplifying circuit, an intermediate-frequency amplifying circuit and a high-frequency amplifying circuit;

the low-frequency amplifying circuit is connected with the low-frequency receiving port and the first power supply port and is used for amplifying the low-frequency transmitting signal under the first power supply voltage of the first power supply port;

the first selection switch is connected with the output end of the low-frequency amplification circuit and the low-frequency output port and used for selecting and conducting a path between the low-frequency amplification circuit and a 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 with the intermediate frequency receiving port and the second power supply port, and is used for amplifying the intermediate frequency transmitting signal under the second power supply voltage of the second power supply port;

the second selection switch is connected with the output end of the intermediate frequency amplification circuit and the intermediate frequency output port and used for selectively conducting a path between the intermediate frequency amplification circuit and a 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 with the high-frequency receiving port and the second power supply port and is used for amplifying the high-frequency transmitting signal under the second power supply voltage of the second power supply port;

the third selection switch is connected with the output end of the high-frequency amplification circuit and the high-frequency output port and is used for selectively conducting a path between the high-frequency amplification circuit and a target high-frequency output port, and the target high-frequency output port is any one of the high-frequency output ports;

the ultrahigh frequency transmitting circuit is used for amplifying the ultrahigh frequency transmitting signal under the second power supply voltage of the second power supply port;

the first ultrahigh frequency receiving circuit is used for amplifying the first ultrahigh frequency receiving signal under the second power supply voltage of the second power supply port;

the second ultrahigh frequency receiving circuit is configured to amplify the second ultrahigh frequency receiving signal at the second power supply voltage of the second power supply port.

14. A radio frequency system, comprising:

the MMPA module of any of claims 1-13;

the radio frequency system is used for realizing the dual-connection function of a fourth generation wireless access network and a fifth generation new air interface between the ultrahigh frequency transmitting signal and the non-ultrahigh frequency transmitting signal through the MMPA module, wherein the non-ultrahigh frequency signal comprises any one of a low frequency transmitting signal, an intermediate frequency transmitting signal and a high frequency transmitting signal.

15. The radio frequency system of claim 14, wherein the target antenna ports comprise a low frequency antenna port, an intermediate frequency antenna port, and a high frequency antenna port; the target antenna unit includes:

the second antenna unit is connected with the low-frequency antenna port;

the third antenna unit is connected with the intermediate frequency antenna port;

and the fourth antenna unit is connected with the high-frequency antenna port.

16. The radio frequency system of claim 15, further comprising:

the first power supply module is connected with the low-frequency amplification circuit of the MMPA module and used for providing a first power supply voltage for the low-frequency amplification circuit;

the second power supply module is used for connecting the intermediate-frequency amplification circuit, the high-frequency amplification circuit and the ultrahigh-frequency amplification circuit of the MMPA module, and is used for providing a second power supply voltage for any one of the intermediate-frequency amplification circuit, the high-frequency amplification circuit and the ultrahigh-frequency amplification circuit;

the radio frequency system is used for providing the first power supply voltage for the low-frequency amplifying circuit through the first power supply module so as to process low-frequency transmitting signals, and is also used for providing the first power supply voltage for the intermediate-frequency amplifying circuit, the high-frequency amplifying circuit or the ultrahigh-frequency amplifying circuit through the second power supply module so as to process intermediate-frequency transmitting signals, high-frequency transmitting signals or ultrahigh-frequency transmitting signals.

17. The radio frequency system according to any of claims 14-16, wherein the first antenna element comprises:

the first antenna is connected with the first ultrahigh frequency antenna port;

the second antenna is connected with the second ultrahigh frequency antenna port;

a third antenna connected to the first SRS port;

a fourth antenna connected to the second SRS port.

18. The radio frequency system of claim 17, further comprising:

the first radio frequency switch comprises a P port and two T ports, the P port is connected with the second antenna, and the first T port is connected with the first SRS port;

the first receiving module is connected with the second T port of the first radio frequency switch and used for receiving and processing the ultrahigh frequency signal received by the second antenna;

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

and the second receiving module is connected with the second T port of the second radio frequency switch and used for receiving and processing the ultrahigh frequency signal received by the third antenna.

19. A communication device, comprising:

the radio frequency system of any one of claims 14-18.