CN117394797A - Harmonic control circuit and device of power amplifier and electronic equipment - Google Patents
Harmonic control circuit and device of power amplifier and electronic equipment Download PDFInfo
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
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Abstract
The application relates to a power amplifier harmonic control circuit, a device and electronic equipment. The power amplifier harmonic control circuit comprises a harmonic control module and a high-efficiency power amplifier module; the input end of the harmonic control module is used for receiving the first input signal, the power harmonic control module is used for generating a harmonic control signal based on the first input signal, and the output end of the power harmonic control module is used for outputting the harmonic control signal; the first input end of the high-efficiency power amplifier module is used for receiving a second input signal; the second input end of the high-efficiency power amplifier module is connected with the output end of the harmonic control module; the output end of the high-efficiency power amplifier module is used for outputting an output signal. The power amplifier harmonic control circuit can control harmonic waves in the high-efficiency power amplifier module, achieves the purpose of improving power amplifier efficiency, and can meet the requirements of different application environments.
Description
Technical Field
The present disclosure relates to the field of electronic circuits, and in particular, to a harmonic control circuit, a harmonic control device, and an electronic device.
Background
The high-efficiency power amplifier needs to be controlled by output harmonic waves to achieve the aim of improving efficiency; harmonic control has been widely used in high efficiency power amplifiers; harmonic control is typically achieved by capacitive or microstrip matching. With the development of technology, the harmonic control mode is realized by adopting modes such as capacitance or microstrip matching, so that the improvement on the power amplification efficiency is limited, and the requirements of different application environments cannot be met.
Disclosure of Invention
Based on this, it is necessary to provide a power amplifier harmonic control circuit, a device and an electronic apparatus, which can improve the power amplifier efficiency and meet the requirements of different application environments.
To solve the above technical problems and other problems, according to a first aspect of some embodiments, the present application provides a power amplifier harmonic control circuit, including a harmonic control module and a high-efficiency power amplifier module; wherein,
the harmonic control module comprises an input end and an output end; the input end of the harmonic control module is used for receiving the first input signal, the power harmonic control module is used for generating a harmonic control signal based on the first input signal, and the output end of the power harmonic control module is used for outputting the harmonic control signal;
the high-efficiency power amplifier module comprises a first input end, a second input end and an output end; the first input end of the high-efficiency power amplifier module is used for receiving a second input signal; the second input end of the high-efficiency power amplifier module is connected with the output end of the harmonic control module; the output end of the high-efficiency power amplifier module is used for outputting an output signal.
In the power amplifier harmonic control circuit of the embodiment, the harmonic control module is combined with the high-efficiency power amplifier module, and the harmonic control signal is input into the high-efficiency power amplifier module through the harmonic control module, so that the harmonic in the high-efficiency power amplifier module can be controlled, the purpose of improving the power amplifier efficiency is achieved, and the requirements of different application environments can be met.
In some embodiments, the high efficiency power amplifier module includes:
the input bridge comprises an input end, a first output end and a second output end; the input end of the input bridge is used as the input end of the high-efficiency power amplifier module;
the input end of the first balance power amplifier is connected to the first output end of the input bridge;
a second flat Heng Gong amplifier, the input of the second flat Heng Gong amplifier being connected to the second output of the input bridge;
the output bridge comprises a first input end, a second input end, an isolation port and an output end; the first input end of the output bridge is connected to the output end of the first balance power amplifier; a second input end of the output bridge is connected to an output end of the second flat Heng Gong amplifier; the isolation port of the output bridge is used as a second input end of the high-efficiency power amplifier module and is connected to the output end of the harmonic control module; the output end of the output bridge is used as the output end of the high-efficiency power amplifier module and is used for outputting an output signal.
In some embodiments, the high efficiency power amplifier module further comprises: a first input configuration network, a first output configuration network, a second input configuration network, and a second output configuration network; wherein,
the input end of the first balance power amplifier is connected with the first output end of the input bridge through a first input configuration network; the input end of the second flat Heng Gong amplifier is connected with the second output end of the input bridge through a second input configuration network; the first input end of the output bridge is connected with the output end of the first balance power amplifier through a first output configuration network; the second input of the output bridge is connected via a second output configuration network to the output of the second flat Heng Gong amplifier.
In some embodiments, the input bridge further comprises a ground terminal; the high-efficiency power amplifier module further comprises a grounding resistor, one end of the grounding resistor is connected with the grounding end of the input bridge, and the other end of the grounding resistor is grounded.
In some embodiments, the harmonic control module includes:
the power amplifier is controlled, the input end of the power amplifier is controlled to be connected with a first input signal, and the output end of the power amplifier is controlled to be connected with a second input end of the high-efficiency power amplifier module.
In some embodiments, the harmonic control module further comprises: a third input configuration network and a third output configuration network; wherein,
the input end of the third input configuration network is used as the input end of the harmonic control module and is used for receiving the first input signal; the output of the third input configuration network is connected with the input end of the control power amplifier;
the input end of the third output configuration network is connected with the output end of the control power amplifier; the output end of the third output configuration network is used as the output end of the harmonic control module and is connected with the second input end of the high-efficiency power amplifier module.
In some embodiments, the power amplifier harmonic control circuit further comprises a high pass filter; the second input end of the high-efficiency power amplifier module is connected with the output end of the harmonic control module through a high-pass filter.
In some embodiments, the power amplifier harmonic control circuit further comprises a phase line connected to the second input of the high efficiency power amplifier module.
In a second aspect, the present application further provides a power amplifying device, including the power amplifying harmonic control circuit in the first aspect.
In the power amplification device of the above embodiment, the harmonic control module is combined with the high-efficiency power amplification module, and the harmonic control signal is input into the high-efficiency power amplification module through the harmonic control module, so that the harmonic in the high-efficiency power amplification module can be controlled, the purpose of improving the power amplification efficiency is achieved, and the requirements of different application environments can be met.
In a third aspect, the present application further provides an electronic device, including a housing having an accommodating space therein; the harmonic control circuit of the power amplifier in the first aspect is at least partially located in the accommodating space.
In the electronic device of the above embodiment, the harmonic control module is combined with the high-efficiency power amplification module, and the harmonic control signal is input into the high-efficiency power amplification module through the harmonic control module, so that the harmonic in the high-efficiency power amplification module can be controlled, the purpose of improving the power amplification efficiency is achieved, and the requirements of different application environments can be met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other embodiments of the drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a power amplifier harmonic control circuit according to an embodiment of the present disclosure;
fig. 2 is a schematic circuit diagram of a harmonic control circuit of a power amplifier according to an embodiment of the present disclosure;
fig. 3 is a block diagram of a power amplifier harmonic control circuit according to another embodiment of the present disclosure;
fig. 4 is a schematic circuit diagram of a harmonic control circuit of a power amplifier according to another embodiment of the present application.
Reference numerals illustrate:
1. a harmonic control module; 2. a high-efficiency power amplifier module; 21. an input bridge; 22. an output bridge; 23. a first balanced power amplifier; 24. a second flat Heng Gong amplifier; 25. a first input configuration network; 26. a first output configuration network; 27. a second input configuration network; 28. a second output configuration network; 29. a ground resistor; 12. controlling a power amplification unit; 11. controlling a power amplifier; 12. a third input configuration network; 13. a third output configuration network; 3. a high pass filter; 4. a phase line.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Where the terms "comprising," "having," and "including" are used herein, another component may also be added unless explicitly defined as such, e.g., "consisting of … …," etc. Unless mentioned to the contrary, singular terms may include plural and are not to be construed as being one in number.
It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application.
In the present application, unless explicitly specified and limited otherwise, the terms "connected," "coupled," and the like are to be construed broadly, and may be, for example, directly connected or indirectly connected through intermediaries, or may be in communication with each other within two elements or in an interaction relationship between the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concepts of the disclosure by way of illustration, and only the components related to the disclosure are shown in the illustration, rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
The high-efficiency power amplifier needs to be controlled by output harmonic waves to achieve the aim of improving efficiency; harmonic control has been widely used in high efficiency power amplifiers; harmonic control is typically achieved by capacitive or microstrip matching. With the development of technology, the harmonic control mode is realized by adopting modes such as capacitance or microstrip matching, so that the improvement on the power amplification efficiency is limited, and the requirements of different application environments cannot be met.
The LMBA (Load Modulation Balanced Amplifier, load modulation balance power amplifier) is a novel high-efficiency power amplifier architecture developed on the basis of a common bridge balance amplifier. LMBA power amplifiers are a research hotspot for high efficiency broadband power amplifiers in recent years; the LMBA power amplifier utilizes the isolation port of the output bridge on the basis of the bridge type amplifier, and a control signal is injected into the isolation port to control the working state of the balanced power amplifier.
Referring to fig. 1, the present application provides a power amplifier harmonic control circuit, which may include a harmonic control module 1 and a high-efficiency power amplifier module 2; the harmonic control module 1 comprises an input end and an output end; the input end of the harmonic control module 1 is used for receiving a first input signal 2nd In (harmonic signal), the power harmonic control module 1 is used for generating a harmonic control signal based on the first input signal 2nd In, and the output end of the power harmonic control module 1 is used for outputting the harmonic control signal; the high-efficiency power amplifier module 2 may include a first input terminal, a second input terminal, and an output terminal; the first input end of the high-efficiency power amplifier module 2 is used for receiving a second input signal RF In; the second input end of the high-efficiency power amplifier module 2 is connected with the output end of the harmonic control module 1; the output of the high efficiency power amplifier module 2 is used for outputting an output signal RF Out.
In the power amplification harmonic control circuit of the embodiment, the harmonic control module 1 is combined with the high-efficiency power amplification module 2, and the harmonic control signal is input into the high-efficiency power amplification module 2 through the harmonic control module 1, so that the harmonic in the high-efficiency power amplification module 2 can be controlled, the purpose of improving the power amplification efficiency is achieved, and the requirements of different application environments can be met.
In one example, referring to fig. 2, the high efficiency power amplifier module 2 may include: the input bridge 21, the input bridge 21 may include an input terminal, a first output terminal, and a second output terminal; the input end of the input bridge 21 is used as the input end of the high-efficiency power amplification module 2 and is used for receiving a second input signal RF In; the first balance power amplifier 23, the input end of the first balance power amplifier 23 is connected to the first output end of the input bridge 21; a second balanced power amplifier 24, the input terminal of the second balanced Heng Gong amplifier 24 being connected to the second output terminal of the input bridge 21; the output bridge 22, the output bridge 22 may include a first input terminal, a second input terminal, an isolation port, and an output terminal; a first input terminal of the output bridge 22 is connected to an output terminal of the first balanced power amplifier 23; a second input of the output bridge 22 is connected to an output of the second flat Heng Gong amplifier 24; the isolation port of the output bridge 22 is used as a second input end of the high-efficiency power amplifier module 2 and is connected to the output end of the harmonic control module 1; the output terminal of the output bridge 22 serves as the output terminal of the high efficiency power amplifier module 2 for outputting the output signal RF Out.
As an example, the second input signal RF In is a radio frequency input signal and the output signal RF Out is a radio frequency output signal.
As an example, the input bridge 21 and the output bridge 22 may each be a 3dB bridge; the high-efficiency power amplifier module 2 utilizes an input bridge 21 of a 3dB bridge as an input power divider, and an output bridge 22 of the 3dB bridge as an output combiner, so that two power amplifiers with the same size are combined to realize power improvement.
As an example, referring to fig. 2, the high efficiency power amplifier module 2 may further include: a first input configuration network 25, a first output configuration network 26, a second input configuration network 27, and a second output configuration network 28; the input end of the first balanced power amplifier 23 is connected to the first output end of the input bridge 21 via the first input configuration network 25, that is, the first input configuration network 25 is located between the input bridge 21 and the first balanced power amplifier 23, and the input end of the first input configuration network 25 is directly connected to the first output end of the input bridge 21, and the output end of the first input configuration network 25 is directly connected to the input end of the first balanced power amplifier 23; the input end of the second balanced power amplifier 24 is connected with the second output end of the input bridge 21 through a second input configuration network 27, namely, the second input configuration network 27 is positioned between the input bridge 21 and the second flat Heng Gong amplifier 24, the input end of the second input configuration network 27 is directly connected with the second output end of the input bridge 21, and the output end of the second input configuration network 27 is directly connected with the input end of the second flat Heng Gong amplifier 24; the first input end of the output bridge 22 is connected with the output end of the first balance power amplifier 23 through the first output configuration network 26, namely, the first output configuration network 26 is positioned between the first balance power amplifier 23 and the output bridge 22, the input end of the first output configuration network 26 is directly connected with the output end of the first balance power amplifier 23, and the output end of the first output configuration network 26 is directly connected with the first input end of the output bridge 22; a second input of the output bridge 22 is connected to an output of the second flat Heng Gong amplifier 24 via a second output configuration network 28, i.e. the second output configuration network 28 is located between the second flat Heng Gong amplifier 27 and the output bridge 22, an input of the second output configuration network 28 is directly connected to an output of the second flat Heng Gong amplifier 27, and an output of the second output configuration network 28 is directly connected to a second input of the output bridge 22.
As an example, with continued reference to fig. 2, the input bridge 21 may also include a ground terminal; the high efficiency power amplifier module 2 may further include a grounding resistor 29, one end of the grounding resistor 29 is connected to the grounding end of the input bridge 21, and the other end of the grounding resistor 29 is grounded.
As an example, with continued reference to fig. 2, the harmonic control module 1 may include: the power amplifier 11 is controlled, the input end of the power amplifier 11 is controlled to be connected with the first input signal 2nd In, and the output end of the power amplifier 11 is controlled to be connected with the second input end of the high-efficiency power amplifier module 2.
As an example, with continued reference to fig. 2, the harmonic control module 1 may further include: a third input configuration network 12 and a third output configuration network 13; wherein an input of the third input configuration network 12 is used as an input of the harmonic control module 1 for receiving the first input signal 2nd In; the output of the third input configuration network 13 is connected with the input end of the control power amplifier 11; i.e. the control power amplifier 11 is connected to the first input signal 2nd In via the third input configuration network 12; the input end of the third output configuration network 13 is connected with the output end of the control power amplifier 11; the output end of the third output configuration network 13 is used as the output end of the harmonic control module 1 and is connected with the second input end of the high-efficiency power amplifier module 2; i.e. the control power amplifier 11 is connected to the second input of the high efficiency power amplifier module 2 via a third output configuration network 13.
In particular, the output of the third output configuration network 13 may be connected to an isolated port of the output bridge 22.
More specifically, the harmonic control module 1 and the high-efficiency power amplifier module 2 are combined, and harmonic control signals are injected through the isolation port of the output bridge 22 in the high-efficiency power amplifier module 2 to control and balance harmonic of the power amplifier, so that the aim of improving efficiency is fulfilled.
In another example, referring to fig. 3 and 4 in conjunction with fig. 1-2, the power amplifier harmonic control circuit may further include a high pass filter 3; the second input of the high efficiency power amplifier module 2 is connected with the output of the harmonic control module 1 via a high pass filter 3.
Specifically, referring to fig. 4, an input terminal of the high-pass filter 3 may be connected to an output terminal of the third output configuration network 13, and an output terminal of the high-pass filter 3 may be connected to an isolated port of the output bridge 22.
As an example, the high-pass filter 3 exhibits a high-impedance state for the radio-frequency fundamental wave signal and a passband state for the harmonic wave signal.
As an example, referring to fig. 3 and 4, the power amplifier harmonic control circuit may further include a phase line 4, where the phase line 4 is connected to the second input terminal of the high efficiency power amplifier module 2. Specifically, the phase line 4 is connected to an isolated port of the output bridge 22.
In the present application, the second input signal RF In is input to the input end of the input bridge 21 In the high-efficiency power amplification module 2, the isolation port of the output bridge 22 In the high-efficiency power amplification module 2 is connected to the phase line 4, and meanwhile, the second input signal RF In is connected to the harmonic control module 1 through the high-pass filter 3, and the harmonic control signal is injected into the isolation port of the output bridge 22 through the harmonic control module 1 and the high-pass filter 3, so as to control the harmonic of the balanced power amplification, thereby improving the efficiency.
As an example, the harmonic control module 1 and the high efficiency power amplifier module 2 may constitute a load modulation balanced power amplifier (Load Modulation Balanced Amplifier, LMBA). It can be understood that the load modulation balance power amplifier is a novel high-efficiency power amplifier architecture developed on the basis of a common bridge balance amplifier; load modulation balanced power amplifiers are a power amplifier technology for wireless communication systems that improves the efficiency and linearity of the power amplifier by introducing a modulated signal into the load at the output port of the amplifier. The working principle of the LMBA power amplifier is to add an adjustable impedance network in the output network of the amplifier, and the network can be adjusted according to the amplitude and the phase of a modulation signal. By adjusting the impedance network, the amplifier may achieve load modulation of the output signal, providing higher power amplification and better linearity. The LMBA power amplifier utilizes the isolation port of the output bridge 22 on the basis of the bridge balance type amplifier, and the harmonic control signal is injected into the isolation port of the output bridge 22 through the harmonic control module 1 and the high-pass filter 3 so as to control the working state and harmonic of the balance type power amplifier, thereby improving the efficiency. Wherein the first input configuration network 25, the first output configuration network 26, the second input configuration network 27 and the second output configuration network 28 may be used to adjust the constituent impedance networks for impedance variation of the ohmic terminals of the source and load, and for conversion into impedance characteristics required for the amplifier design.
As an example, the high-efficiency power amplifier module 2 may form a bridge Doherty power amplifier, and it can be understood that the bridge Doherty is a common power amplifier architecture for a mobile communication base station, and has a simple and efficient structure, and is easy to design and debug. The bridge Doherty is generated based on a bridge balanced power amplifier architecture, and the difference between the bridge Doherty and the balanced power amplifier is that the isolation port of the output bridge 22 of the balanced power amplifier is connected with a load, and the isolation port of the output bridge 22 of the bridge Doherty power amplifier is connected with an open circuit or a short circuit line for adjusting the phase.
In an embodiment, please continue to refer to fig. 1 to 2, the present application further provides a power amplifying device, which may include a power amplifier harmonic control circuit in the embodiment corresponding to fig. 1 and 2. In this embodiment, the power amplifier harmonic control circuit in the power amplifier includes a harmonic control module 1 and a high-efficiency power amplifier module 2.
In the power amplification device of the above embodiment, by combining the harmonic control module 1 with the high-efficiency power amplification module 2, the harmonic control signal is input into the high-efficiency power amplification module 2 through the harmonic control module 1, so that the harmonic in the high-efficiency power amplification module 2 can be controlled, the purpose of improving the power amplification efficiency is achieved, and the requirements of different application environments can be met.
In still another embodiment, please continue to refer to fig. 3 to fig. 4, the present application further provides a power amplifying device, which may include a power amplifier harmonic control circuit in the embodiment corresponding to fig. 3 and fig. 4. In this embodiment, the power amplifier harmonic control circuit in the power amplifying device includes a harmonic control module 1, a high-efficiency power amplifier module 2, a high-pass filter 3, and a phase line 4.
In the power amplifying device of the above embodiment, by combining the harmonic control module 1 and the high-efficiency power amplifying module 2, the second input end of the high-efficiency power amplifying module 2 is connected with the output end of the harmonic control module 1 via the high-pass filter 3, and the harmonic control signal is injected into the second input end of the high-efficiency power amplifying module 2 through the harmonic control module 1 and the high-pass filter 3, so as to control the harmonic of the balanced power amplifying module, thereby controlling the harmonic in the high-efficiency power amplifying module 2, achieving the purpose of improving the power amplifying efficiency, and meeting the requirements of different application environments.
In one embodiment, with continued reference to fig. 1 and 2, the present application also provides an electronic device, which may include a housing (not shown) having a receiving space (not shown) therein; as in the power amplifier harmonic control circuit in the embodiments corresponding to fig. 1 and fig. 2, the power amplifier harmonic control circuit is at least partially located in the accommodating space. Specifically, part of modules or units in the power amplifier harmonic control circuit can be located in the accommodating space, or all modules and units in the whole power amplifier harmonic control circuit can be located in the accommodating space. In this embodiment, the power amplifier harmonic control circuit in the electronic device includes a harmonic control module 1 and a high-efficiency power amplifier module 2; one of the harmonic control module 1 and the high-efficiency power amplifier module 2 may be located in the accommodating space, or both the harmonic control module 1 and the high-efficiency power amplifier module 2 may be located in the accommodating space.
In the electronic device of the above embodiment, by combining the harmonic control module 1 with the high-efficiency power amplification module 2, the harmonic control signal is input into the high-efficiency power amplification module 2 through the harmonic control module 1, so that the harmonic in the high-efficiency power amplification module can be controlled, the purpose of improving the power amplification efficiency is achieved, and the requirements of different application environments can be met.
With continued reference to fig. 3 and 4, the present application further provides an electronic device, which may include a housing (not shown) having an accommodating space (not shown) therein; as shown in fig. 3 and fig. 4, the harmonic control circuit of the power amplifier is at least partially located in the accommodating space. Specifically, part of modules or units in the power amplifier harmonic control circuit can be located in the accommodating space, or all modules and units in the whole power amplifier harmonic control circuit can be located in the accommodating space. In this embodiment, the power amplifier harmonic control circuit in the electronic device includes a harmonic control module 1, a high-efficiency power amplifier module 2, a high-pass filter 3, and a phase line 4; it may be that the harmonic control module 1, the high-efficiency power amplifier module 2, the high-pass filter 3 and the phase line 4 are partially located in the accommodating space, for example, but not limited to, the harmonic control module 1, the high-efficiency power amplifier module 2 and the high-pass filter 3 are located in the accommodating space, and the phase line 4 is located in the accommodating space; it is also possible, but not limited to, that the harmonic control module 1 and the high-efficiency power amplifier module 2 are located in the accommodation space, and the high-pass filter 3 and the phase line 4 are located in the accommodation space; it is also possible, but not limited to, that the harmonic control module 1 is located in the accommodation cavity, and the high efficiency power amplifier module 2, the high pass filter 3 and the phase line 4 are located in the accommodation space.
In other examples, the harmonic control module 1, the high-efficiency power amplifier module 2, the high-pass filter 3 and the phase line 4 are all located in the accommodating space.
In the power amplifying device of the above embodiment, by combining the harmonic control module 1 and the high-efficiency power amplifying module 2, the second input end of the high-efficiency power amplifying module 2 is connected with the output end of the harmonic control module 1 via the high-pass filter 3, and the harmonic control signal is injected into the second input end of the high-efficiency power amplifying module 2 through the harmonic control module 1 and the high-pass filter 3, so as to control the harmonic of the balanced power amplifying module, thereby controlling the harmonic in the high-efficiency power amplifying module 2, achieving the purpose of improving the power amplifying efficiency, and meeting the requirements of different application environments.
Note that the above embodiments are for illustrative purposes only and are not meant to limit the present disclosure.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. The power amplifier harmonic control circuit is characterized by comprising a harmonic control module and a high-efficiency power amplifier module; wherein,
the harmonic control module comprises an input end and an output end; the input end of the harmonic control module is used for receiving a first input signal, the power harmonic control module is used for generating a harmonic control signal based on the first input signal, and the output end of the power harmonic control module is used for outputting the harmonic control signal;
the high-efficiency power amplifier module comprises a first input end, a second input end and an output end; the first input end of the high-efficiency power amplifier module is used for receiving a second input signal; the second input end of the high-efficiency power amplifier module is connected with the output end of the harmonic control module; the output end of the high-efficiency power amplifier module is used for outputting an output signal.
2. The power amplifier harmonic control circuit of claim 1 wherein the high efficiency power amplifier module comprises:
the input bridge comprises an input end, a first output end and a second output end; the input end of the input bridge is used as the input end of the high-efficiency power amplifier module;
the input end of the first balance power amplifier is connected to the first output end of the input bridge;
a second flat Heng Gong amplifier, the input of the second flat Heng Gong amplifier being connected to the second output of the input bridge;
the output bridge comprises a first input end, a second input end, an isolation port and an output end; the first input end of the output bridge is connected to the output end of the first balance power amplifier; the second input end of the output bridge is connected to the output end of the second balance power amplifier; the isolation port of the output bridge is used as a second input end of the high-efficiency power amplifier module and is connected to the output end of the harmonic control module; and the output end of the output bridge is used as the output end of the high-efficiency power amplification module and is used for outputting the output signal.
3. The power amplifier harmonic control circuit of claim 2 wherein the high efficiency power amplifier module further comprises: a first input configuration network, a first output configuration network, a second input configuration network, and a second output configuration network; wherein,
the input end of the first balance power amplifier is connected with the first output end of the input bridge through the first input configuration network; the input end of the second flat Heng Gong amplifier is connected with the second output end of the input bridge through the second input configuration network; the first input end of the output bridge is connected with the output end of the first balance power amplifier through the first output configuration network; a second input of the output bridge is connected to an output of the second flat Heng Gong amplifier via the second output configuration network.
4. The power amplifier harmonic control circuit of claim 2 wherein the input bridge further comprises a ground terminal; the high-efficiency power amplifier module further comprises a grounding resistor, one end of the grounding resistor is connected with the grounding end of the input bridge, and the other end of the grounding resistor is grounded.
5. The power amplifier harmonic control circuit of claim 1 wherein the harmonic control module comprises:
the input end of the control power amplifier is connected with the first input signal, and the output end of the control power amplifier is connected with the second input end of the high-efficiency power amplifier module.
6. The power amplifier harmonic control circuit of claim 5 wherein the harmonic control module further comprises: a third input configuration network and a third output configuration network; wherein,
the input end of the third input configuration network is used as the input end of the harmonic control module and is used for receiving the first input signal; the output of the third input configuration network is connected with the input end of the control power amplifier;
the input end of the third output configuration network is connected with the output end of the control power amplifier; and the output end of the third output configuration network is used as the output end of the harmonic control module and is connected with the second input end of the high-efficiency power amplifier module.
7. The power amplifier harmonic control circuit of any one of claims 1 to 6, further comprising a high pass filter; and the second input end of the high-efficiency power amplifier module is connected with the output end of the harmonic control module through the high-pass filter.
8. The power amplifier harmonic control circuit of claim 7 further comprising a phase line coupled to the second input of the high efficiency power amplifier module.
9. A power amplifying device, comprising: the power amplifier harmonic control circuit of any one of claims 1-8.
10. An electronic device, comprising:
a housing having an accommodation space therein;
the power amplifier harmonic control circuit of any one of claims 1-8, at least partially within the receiving space.
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