CN213937897U - Power amplifier module and radio frequency module - Google Patents
Power amplifier module and radio frequency module Download PDFInfo
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- CN213937897U CN213937897U CN202022787632.0U CN202022787632U CN213937897U CN 213937897 U CN213937897 U CN 213937897U CN 202022787632 U CN202022787632 U CN 202022787632U CN 213937897 U CN213937897 U CN 213937897U
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Abstract
The utility model discloses a power amplifier module and radio frequency module. Wherein, power amplifier module includes: the combiner is used for combining the at least two accessed power feedback circuits; the combiner is a passive combiner.
Description
Technical Field
The application relates to the technical field of radio frequency, in particular to a power amplifier module and a radio frequency module.
Background
In the related art, in a dual-connection hardware architecture of a fourth generation mobile information system (4G) and a fifth generation mobile communication technology (5G, 5th generation mobile networks), a plurality of power feedback loops are cascaded through a switch device in a radio frequency circuit, which increases the working complexity of the system, reduces the reliability of the system, and affects the working performance of the system.
SUMMERY OF THE UTILITY MODEL
In view of this, embodiments of the present application provide a power amplifier module and a radio frequency module to at least solve the problem that the system is complex, the reliability of the system is reduced, and the working performance of the system is affected in the related art.
The technical scheme of the embodiment of the application is realized as follows:
the embodiment of the application provides a power amplifier module, the power amplifier module includes:
the combiner is used for combining the at least two accessed power feedback circuits; wherein the content of the first and second substances,
the combiner is a passive combiner.
In the above solution, the power amplifier module further includes:
at least one first power feedback circuit;
the at least one first power feedback circuit is at least one of the at least two power feedback circuits.
In the above solution, the input port of the at least one first power feedback circuit includes a Mobile Industry Processor Interface (MIPI) port; the MIPI port is used for being connected with a MIPI bus, and the MIPI bus is used for controlling the at least two power feedback circuits to work in a time-sharing mode.
In the above solution, each of the at least one first power feedback circuit includes a power amplifier and a power coupler; the output end of the power amplifier is connected with the input end of the power coupler; and the output end of the power coupler is connected with the input end of the combiner.
In the above scheme, the power amplifier in the power amplifier module includes any one of the following types:
global System for Mobile Communications (GSM) high band power amplifiers;
a GSM low-frequency band power amplifier;
a 4G/5G high-frequency band power amplifier;
a 4G/5G middle frequency band power amplifier;
a 4G/5G low-frequency band power amplifier;
4G/5G ultrahigh frequency band power amplifier.
The embodiment of the application also provides a radio frequency module, which comprises at least one power amplifier module and a radio frequency transceiver; each power amplifier module of the at least one power amplifier module comprises:
the combiner is used for combining the at least two accessed power feedback circuits; wherein the content of the first and second substances,
the combiner is a passive combiner.
In the above solution, each power amplifier module of the at least one power amplifier module further includes:
at least one first power feedback circuit;
the at least one first power feedback circuit is at least one of the at least two corresponding power feedback circuits.
In the above solution, the at least one first power feedback circuit is connected to the MIPI bus; the MIPI bus is used for controlling the at least two power feedback circuits to work in a time-sharing mode.
In the above solution, each of the at least one first power feedback circuit includes a power amplifier and a power coupler; the output end of the power amplifier is connected with the input end of the power coupler; and the output end of the power coupler is connected with the input end of the combiner.
In the above scheme, the power amplifier in the power amplifier module includes any one of the following types:
a GSM high-frequency band power amplifier;
a GSM low-frequency band power amplifier;
a 4G/5G high-frequency band power amplifier;
a 4G/5G middle frequency band power amplifier;
a 4G/5G low-frequency band power amplifier;
4G/5G ultrahigh frequency band power amplifier.
In this embodiment, the power amplifier module includes a combiner, and the combiner is used for combining at least two power feedback circuits that access, and wherein, the combiner is passive combiner, cascades a plurality of power feedback circuits through passive combiner, can reduce the complexity of system to improve the reliability of system.
Drawings
Fig. 1 is a schematic structural diagram of a power amplifier module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power amplifier module according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a power amplifier module according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a power amplifier module according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a radio frequency module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a radio frequency module according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a radio frequency module according to another embodiment of the present invention;
fig. 8 is a schematic structural diagram of a radio frequency module according to another embodiment of the present invention
Fig. 9 is a schematic structural diagram of a radio frequency module according to another embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and specific embodiments.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
The technical means described in the embodiments of the present application may be arbitrarily combined without conflict.
In addition, in the embodiments of the present application, "first", "second", and the like are used for distinguishing similar objects, and are not necessarily used for describing a specific order or a sequential order.
An embodiment of the present application provides a power amplifier module, and fig. 1 is a schematic structural diagram of the power amplifier module according to the embodiment of the present application. As shown in fig. 1, the power amplifier module includes:
a combiner 101, configured to combine at least two accessed power feedback circuits; wherein the content of the first and second substances,
the combiner is a passive combiner.
Here, the power amplifier module includes a combiner 101, the combiner mainly combines the input signals of multiple frequency bands together for output, in the power amplifier module, the combiner 101 is used for combining at least two power feedback circuits accessed, the power feedback circuit is a circuit for receiving and demodulating, in practical application, when the frequency bands corresponding to the power feedback circuits are different, the combiner 101 can combine the power feedback circuits in different frequency bands. In practical applications, the combiner 101 can implement a cascade connection of a plurality of power feedback circuits, so that feedback powers of different power amplifiers can be detected. In practical application, compared with a system in which switching devices are used for realizing cascade connection, the system can normally work only when requirements of a power supply, a control signal, a time sequence and the like meet set conditions because the switching devices are active devices, and the combiner 101 is a passive device and is not limited by the power supply, the time sequence, the control signal and the like, and the complexity of the system can be reduced by the combiner, so that the reliability of the system is improved.
In the above embodiment, the power amplifier module includes a combiner, and the combiner is configured to combine at least two accessed feedback circuits, where the combiner is a passive combiner, and different feedback circuits are cascaded through the passive combiner, so as to facilitate simplification of the system, reduce complexity of the system, and improve performance of the system.
In one embodiment, the power amplifier module further includes:
at least one first power feedback circuit;
the at least one first power feedback circuit is at least one of the at least two power feedback circuits.
Here, the power amplifier module further includes at least one first power feedback circuit, where the at least one first power feedback circuit is at least one of the at least two power feedback circuits, in practical applications, the power amplifier module may integrate different numbers of first power feedback circuits, and when the combiner is cascaded with different power feedback circuits, the at least one first power feedback circuit integrated in the power amplifier module is connected to the combiner, so that the at least one power feedback circuit of the at least two power feedback circuits connected to the combiner is the at least one first power feedback circuit. Exemplarily, when a combiner in the power amplifier module needs to combine two power feedback circuits, as shown in fig. 2, fig. 2 shows a schematic structural diagram of the power amplifier module, a first power feedback circuit is integrated in the power amplifier module, the first power feedback circuit is connected to the combiner 101, and the combiner 101 is further connected to a power feedback circuit from the combiner 101, so that the combiner 101 can combine the first power feedback circuit with other power feedback circuits. In practical application, as shown in fig. 3, fig. 3 shows a schematic structural diagram of another power amplifier module, the power amplifier module may further integrate two different first power feedback circuits, and at this time, the two power feedback circuits accessed by the combiner 101 are both the two power feedback circuits in the power amplifier module where the combiner 101 is located.
In the above embodiment, the power amplifier module further includes at least one first power feedback circuit, and the at least one first power feedback circuit is at least one of the at least two power feedback circuits, so that the plurality of power feedback circuits can be integrated into one power amplifier module, and the combiner can combine the plurality of power feedback circuits, thereby simplifying the system, and improving the performance and stability of the system.
In an embodiment, the input port of the at least one first power feedback circuit comprises a MIPI port; the MIPI port is used for being connected with a MIPI bus, and the MIPI bus is used for controlling the at least two power feedback circuits to work in a time-sharing mode.
Here, the input port of the at least one first power feedback circuit is a MIPI port, the MIPI port is an open standard and a specification which are initiated by a MIPI alliance and established for a mobile application processor, the MIPI port can be connected with a MIPI bus, and the working time of the at least two power feedback circuits can be controlled through the MIPI bus, so that the at least two power feedback circuits can work in a time-sharing manner. In practical application, different power feedback circuits are cascaded by the passive combiner, the working time of different power feedback circuits cascaded by the passive combiner is controlled, the cascaded power feedback circuits work at different times, the system can detect the feedback power of power amplifiers in different power amplifier modules, MIPI buses connected with MIPI ports of input ports of different power feedback circuits have different bus addresses, the working state of each power feedback circuit can be controlled independently through the bus addresses, and each power feedback circuit can work in a time-sharing mode.
In the above embodiment, the input port of the at least one first power feedback circuit includes a MIPI port, the MIPI port is used for connecting to a MIPI bus, and the MIPI bus is used for controlling the at least two power feedback circuits to operate in a time-sharing manner, so that different feedback circuits can be sequentially controlled to operate, the workload for configuring the cascade element is reduced, and the reliability and performance of the system are improved.
In an embodiment, as shown in fig. 4, each of the at least one first power feedback circuit includes a power amplifier 401 and a power coupler 402; the output end of the power amplifier 401 is connected with the input end of the power coupler 402; the output terminal of the power coupler 402 is connected to the input terminal of the combiner 101.
Here, each first power feedback circuit includes a power amplifier 401 and a power coupler 402, an output terminal of the power amplifier 401 is connected to an input terminal of the power coupler 402, so that the coupling of the transmission power of the power amplifier 401 can be realized through the power coupler 402, in practical applications, a mapping relationship of the coupling power exists between the power amplifier and the power coupler, the mapping relationship can be established during radio frequency calibration, and an output terminal of the power coupler 402 is connected to an input terminal of the combiner 101, so that different first power feedback circuits are combined through the combiner 101.
In the above embodiment, each of the at least one first power feedback circuit includes a power amplifier and a power coupler, an output end of the power amplifier is connected to an input end of the power coupler, and an output end of the power coupler is connected to an input end of the combiner, so that the combiner combines different power feedback circuits, which is beneficial to adjusting the transmission power and improves the performance of the system.
In one embodiment, the power amplifier in the power amplifier module includes any one of the following types:
a GSM high-frequency band power amplifier;
a GSM low-frequency band power amplifier;
a 4G/5G high-frequency band power amplifier;
a 4G/5G middle frequency band power amplifier;
a 4G/5G low-frequency band power amplifier;
4G/5G ultrahigh frequency band power amplifier.
Here, in practical applications, the 4G and 5G Dual Connectivity (endec, E-UTRA NR Dual Connectivity) technology can ensure signal continuity in an unstable 5G signal or uncovered 5G region, a Long Term Evolution (LTE) technology in the world currently has multiple frequency bands such as LB, MB, and HB, and multiple frequency bands such as LB, MB, HB, and UHB also exist in 5G, and various endec schemes that may appear in any combination between the two, for example, LB + LB, LB + MB, LB + HB, MB + HB, LB + UHB, MB + UHB, and HB + UHB, and the power amplifier in the power amplifier module may be any type of a GSM low-band power amplifier, a 4G/5G high-band power amplifier, a 4G/5G medium-band power amplifier, a 4G/5G low-band power amplifier, and a 4G/5G band power amplifier, the power amplifiers of several types are frequency bands commonly used in practical application, and in practical application, the type of the power amplifier is determined according to the frequency band supported by the position of the power amplifier, so that the power amplifier module can be ensured to normally work under different frequency bands.
In the above embodiment, the power amplifier in the power amplifier module includes any one type of a GSM low-frequency band power amplifier, a 4G/5G high-frequency band power amplifier, a 4G/5G middle-frequency band power amplifier, a 4G/5G low-frequency band power amplifier, and a 4G/5G ultrahigh-frequency band power amplifier, so that the power amplifier module can support different frequency bands, work normally in different frequency bands, and improve the performance of the system.
The present application further provides a radio frequency module, as shown in fig. 5, fig. 5 shows a schematic structural diagram of the radio frequency module, where the radio frequency module includes at least one power amplifier module 501 and a radio frequency transceiver 502; each power amplifier module of the at least one power amplifier module comprises:
a combiner 5011, configured to combine at least two accessed power feedback circuits; wherein the content of the first and second substances,
the combiner is a passive combiner.
Here, the rf module is composed of at least one power amplifier module 501 and an rf transceiver 502, where the power amplifier module 501 is configured to output a transmitting power, and the rf transceiver 502 is configured to adjust the transmitting power output by the power amplifier module 501 in real time, so that the transmitting power output by the power amplifier module 501 can reach a required power target. The power amplifier module 501 comprises a combiner 5011, the combiner 5011 is a passive combiner, which is a passive device, so as not to be affected by control signal, timing sequence and power supply, the combiner 5011 is used for combining at least two accessed power feedback circuits, in practical application, when the power of a plurality of power amplifier modules needs to be adjusted, the rf module needs to access a plurality of power feedback circuits, the combiner 5011 can cascade the plurality of power feedback circuits, and compared with a system in which a switching device is used to realize cascade connection, because the switch device is an active device, the system can normally work under the condition that the requirements of a power supply, a control signal, a time sequence and the like meet set conditions, the combiner 5011 does not need the limitation of related requirements such as control signals, timing, power and the like, thereby simplifying the system.
In the above embodiment, the radio frequency module includes at least one power amplifier module and a radio frequency transceiver, each power amplifier module in the at least one power amplifier module includes a combiner, and the combiner is configured to combine at least two power feedback circuits that are accessed, where the combiner is a passive combiner, and different power feedback circuits are cascaded through the combiner, so that the system can be simplified, and reliability and performance of the system are improved.
In an embodiment, each of the at least one power amplifier module further includes:
at least one first power feedback circuit;
the at least one first power feedback circuit is at least one of the at least two corresponding power feedback circuits.
Here, each of the at least one power amplifier module further includes at least one first power feedback circuit, where the at least one first power feedback circuit is at least one of the at least two corresponding power feedback circuits, and the at least two corresponding power feedback circuits are at least two power feedback circuits combined by the combiner, that is, the combiner combines the at least one first power feedback circuit. In practical application, the power amplifier module may integrate different numbers of first power feedback circuits, and when the combiner is used for cascading different power feedback circuits, the first power feedback circuit in the power amplifier module is combined with other power feedback circuits. Exemplarily, when a combiner in the radio frequency module combines two power feedback circuits, as shown in fig. 6, fig. 6 shows a schematic structural diagram of the radio frequency module, a first power feedback circuit is integrated in the power amplifier module, the first power feedback circuit is connected to the combiner 5011, the combiner 5011 can also be connected to a power feedback circuit from another power amplifier module, and thus the combiner 5011 can combine the first power feedback circuit with the power feedback circuits integrated with other power amplifier modules. In practical application, as shown in fig. 7, fig. 7 shows a schematic structural diagram of another radio frequency module, a power amplifier module in the radio frequency module can also integrate two different first power feedback circuits, and at this time, the two power feedback circuits accessed by the combiner 5011 are both the two first power feedback circuits integrated by the power amplifier module.
In the above embodiment, each of the at least one power amplifier module further includes at least one first power feedback circuit, and the at least one first power feedback circuit is at least one of the at least two corresponding power feedback circuits, so that the combiner can combine the plurality of power feedback circuits, and simplify the system, thereby improving performance and stability of the system.
In one embodiment, the at least one first power feedback circuit is connected with the MIPI bus; the MIPI bus is used for controlling the at least two power feedback circuits to work in a time-sharing mode.
Here, at least one first power feedback circuit is connected with the MIPI bus, the MIPI bus is used for controlling at least two power feedback circuits to work in a time-sharing manner, in practical application, the combiner can combine different power feedback circuits, and the power feedback circuits needing to be controlled to work at different times, so that the radio frequency transceiver can adjust the power transmitted by the power amplifier module. In practical application, the MIPI buses corresponding to different power feedback circuits have different bus addresses, and through the bus addresses, the radio frequency transceiver can independently control each power feedback circuit through the MIPI bus, so that the power feedback circuits of different power amplifier modules work in a time-sharing manner. In practical applications, some special frequency bands need to work simultaneously and cannot work in a time-sharing manner, in this case, power feedback circuits corresponding to these frequency bands may be connected to different input ports of an rf transceiver, for example, as shown in fig. 8, fig. 8 shows a structural schematic diagram of a radio frequency module, and an endec scheme composed of B3+ n41 may connect a power feedback circuit corresponding to B3 and a power feedback circuit corresponding to n41 to different input ports, so that two power feedback circuits of the endec may work simultaneously.
In the above embodiment, the at least one first power feedback circuit is connected to the MIPI bus, and the MIPI bus is used to control the at least two power feedback circuits to operate in a time-sharing manner, so that the operations of different power feedback circuits of the same combiner can be sequentially controlled, and the performance of the system is improved.
In an embodiment, as shown in fig. 9, each of the at least one first power feedback circuit includes a power amplifier 901 and a power coupler 902; the output end of the power amplifier 901 is connected with the input end of the power coupler 902; the output of the power coupler 902 is connected to the input of the combiner 5011.
Here, each of the first power feedback circuits includes a power amplifier 901 and a power coupler 902, an output end of the power amplifier 901 is connected to an input end of the power coupler 902, coupling feedback of the transmission power of the power amplifier 901 can be achieved through the power coupler 902, an output end of the power coupler 902 is connected to an input end of a combiner 5011, so that the transmission power of the power amplifier 901 can be fed back to the radio frequency transceiver 502 through the power coupler 902, the radio frequency transceiver 502 obtains the power of a feedback signal through mediation, and through a mapping relationship of the coupling powers of the power amplifier 901 and the power coupler 902, the radio frequency transceiver 502 adjusts the transmission power of the power amplifier 901 in real time according to the feedback power of the power coupler 902, so as to achieve a required power target.
In the above embodiment, each of the at least one first power feedback circuit includes a power amplifier and a power coupler, an output end of the power amplifier is connected to an input end of the power coupler, and an output end of the power coupler is connected to an input end of the combiner, so that the combiner combines different power feedback circuits, the transmission power of each power feedback circuit can be adjusted in real time, and the performance of the system is improved.
In one embodiment, the power amplifier in the power amplifier module includes any one of the following types:
a GSM high-frequency band power amplifier;
a GSM low-frequency band power amplifier;
a 4G/5G high-frequency band power amplifier;
a 4G/5G middle frequency band power amplifier;
a 4G/5G low-frequency band power amplifier;
4G/5G ultrahigh frequency band power amplifier.
Here, the dual-connection technology of 4G and 5G can ensure the signal continuity in the area where the 5G signal is unstable or does not cover the 5G area, there exist a plurality of frequency bands such as LB, MB, HB, etc. in the long-term evolution technology in the global area at present, there also exist a plurality of frequency bands such as LB, MB, HB, UHB, etc. in 5G, and a plurality of endec schemes that may appear in any combination between the two, for example, LB + LB, LB + MB, LB + HB, MB + HB, LB + UHB, MB + UHB, HB + UHB, etc., the power amplifier in the corresponding power amplification module may be any one type of a GSM low-band power amplifier, a 4G/5G high-band power amplifier, a 4G/5G mid-band power amplifier, a 4G/5G low-band power amplifier, and a 4G/5G ultrahigh-band power amplifier, and these types of power amplifiers are frequency bands in practical application, in practical application, the type of the power amplifier is determined according to the frequency band supported by the position, so that the power amplifier module can be ensured to normally work under different frequency bands.
In the above embodiment, the power amplifier in the power amplifier module includes any one type of a GSM low-frequency band power amplifier, a 4G/5G high-frequency band power amplifier, a 4G/5G middle-frequency band power amplifier, a 4G/5G low-frequency band power amplifier, and a 4G/5G ultra-high-frequency band power amplifier, so that the radio frequency module can support different frequency bands, the radio frequency module can normally operate in different frequency bands, and the performance of the system is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a power amplifier module which characterized in that, power amplifier module includes:
the combiner is used for combining the at least two accessed power feedback circuits; wherein the content of the first and second substances,
the combiner is a passive combiner.
2. The power amplifier module of claim 1, further comprising:
at least one first power feedback circuit;
the at least one first power feedback circuit is at least one of the at least two power feedback circuits.
3. The power amplifier module of claim 2, wherein the input port of the at least one first power feedback circuit comprises a Mobile Industry Processor Interface (MIPI) port; the MIPI port is used for being connected with a MIPI bus, and the MIPI bus is used for controlling the at least two power feedback circuits to work in a time-sharing mode.
4. The power amplifier module of claim 2, wherein each of the at least one first power feedback circuits comprises a power amplifier and a power coupler; the output end of the power amplifier is connected with the input end of the power coupler; and the output end of the power coupler is connected with the input end of the combiner.
5. The power amplifier module of claim 1, wherein the power amplifier in the power amplifier module comprises any one of the following types:
a global system for mobile communications (GSM) high-frequency band power amplifier;
a GSM low-frequency band power amplifier;
a fourth generation mobile information system/a fifth generation mobile communication technology 4G/5G high-frequency power amplifier;
a 4G/5G middle frequency band power amplifier;
a 4G/5G low-frequency band power amplifier;
4G/5G ultrahigh frequency band power amplifier.
6. A radio frequency module is characterized by comprising at least one power amplifier module and a radio frequency transceiver; each power amplifier module of the at least one power amplifier module comprises:
the combiner is used for combining the at least two accessed power feedback circuits; wherein the content of the first and second substances,
the combiner is a passive combiner.
7. The RF module of claim 6, wherein each of the at least one power amplifier module further comprises:
at least one first power feedback circuit;
the at least one first power feedback circuit is at least one of the at least two corresponding power feedback circuits.
8. The RF module of claim 7, wherein the at least one first power feedback circuit is connected to a MIPI bus; the MIPI bus is used for controlling the at least two power feedback circuits to work in a time-sharing mode.
9. The RF module of claim 7 wherein each of the at least one first power feedback circuits includes a power amplifier and a power coupler; the output end of the power amplifier is connected with the input end of the power coupler; and the output end of the power coupler is connected with the input end of the combiner.
10. The RF module of claim 6, wherein the power amplifier of the power amplifier module comprises any one of the following types:
a GSM high-frequency band power amplifier;
a GSM low-frequency band power amplifier;
a 4G/5G high-frequency band power amplifier;
a 4G/5G middle frequency band power amplifier;
a 4G/5G low-frequency band power amplifier;
4G/5G ultrahigh frequency band power amplifier.
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| CN202022787632.0U CN213937897U (en) | 2020-11-25 | 2020-11-25 | Power amplifier module and radio frequency module |
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| CN202022787632.0U CN213937897U (en) | 2020-11-25 | 2020-11-25 | Power amplifier module and radio frequency module |
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