Multipath microwave power amplifier

Abstract

The utility model provides a multi-path microwave power amplifier. The multi-path microwave power amplifier comprises a power supply and a control protection circuit module, the radio frequency link module is electrically connected with the power supply and control protection circuit module so as to supply power to the radio frequency link module; wherein the working frequency bands of the first power amplifier branch and the first isolator are A frequency bands, and the working frequency bands of the second power amplifier branch and the second isolator are B frequency bands; the power amplifier further comprises a third power amplifier branch, the third power amplifier branch comprises a third temperature compensation and equalization circuit, a third amplifier unit and a pilot frequency power division circuit which are in communication connection in sequence, the pilot frequency power division circuit is provided with two output ends, and the two output ends of the pilot frequency power division circuit are in communication connection with the first isolator and the second isolator respectively. According to the invention, power amplification can be carried out on microwaves of multiple wavebands at the same time, and multi-band signals after power amplification are output.

Description

Technical Field

[0001] The utility model relates to the technical field of power amplifier devices, in particular to a multi-channel microwave power amplifier. Background Art

[0002] At present, the demand for S-band (2-4GHz) broadband power amplifiers and C-band (4-8GHz) broadband power amplifiers in communication systems is increasing rapidly. Although single-band broadband power amplifiers exist at present, power amplifier devices that can simultaneously achieve broadband power amplification in different bands are rarely reported. The existing broadband power amplifiers make it impossible for communication systems to meet the needs of multiple broadband bands.

[0003] Therefore, it is urgent to propose a multi-channel microwave power amplifier to solve the technical problem that the communication system caused by only a single band broadband power amplifier at the current stage cannot meet the requirements of multiple bands and broadband. Utility Model Content

[0004] Aiming at the technical problem that the communication system caused by the single band broadband power amplifier in the prior art cannot meet the requirements of multiple band broadband, the utility model proposes a multi-channel microwave power amplifier.

[0005] In a preferred embodiment of the present utility model, a multi-channel microwave power amplifier is provided, and the multi-channel microwave power amplifier comprises:

[0006] A power supply and control protection circuit module;

[0007] A radio frequency link module, the radio frequency link module is electrically connected to the power supply and control protection circuit module to supply power to the radio frequency link module; wherein,

[0008] The radio frequency link module includes a first power amplifier branch and a second power amplifier branch;

[0009] The first power amplifier branch comprises a first temperature compensation and equalization circuit, a first amplifier unit, and a first isolator which are communicatively connected in sequence, the first temperature compensation and equalization circuit is communicatively connected to a first signal input terminal, the first isolator is provided with an output terminal of a power-amplified signal, and the first amplifier unit has three-stage amplifiers which are connected in series;

[0010] The second power amplifier branch comprises a second temperature compensation and equalization circuit, a second amplifier unit, and a second isolator which are communicatively connected in sequence, the second temperature compensation and equalization circuit is communicatively connected to a second signal input terminal, the second isolator is provided with an output terminal of a power-amplified signal, and the first amplifier unit has three-stage amplifiers which are connected in series;

[0011] The operating frequency band of the first power amplifier branch and the first isolator is the A frequency band, and the operating frequency band of the second power amplifier branch and the second isolator is the B frequency band. The A frequency band is 2.6-6 GHz, and the B frequency band is 6-10 GHz.

[0012] Preferably, the RF link module also includes a third power amplifier branch, which includes a third temperature compensation and equalization circuit, a third amplifier unit, and an inter-frequency power division circuit that are communicatively connected in sequence, the third temperature compensation and equalization circuit is communicatively connected to a third signal input terminal, the third amplifier unit has a three-stage amplifier connected in series, and the inter-frequency power division circuit has two output terminals, and the two output terminals of the inter-frequency power division circuit are respectively communicatively connected to the first isolator and the second isolator.

[0013] Preferably, the signal frequency band input to the third signal input end of the third power amplifier branch includes A band and B band, and the heterodyne power division circuit is used to output A band signal and B band signal to the first isolator and the second isolator respectively, the first isolator is used to power synthesize the A band signal output by the first power amplifier branch and the A band signal output by the heterodyne power division circuit and then output them, and the second isolator is used to power synthesize the B band signal output by the second power amplifier branch and the B band signal output by the heterodyne power division circuit and then output them.

[0014] Preferably, the power supply and control protection circuit module can control the power on and off of the first power amplifier branch, the second power amplifier branch and the third power amplifier branch respectively.

[0015] Preferably, the power supply and control protection circuit module has a built-in power management chip.

[0016] Preferably, the first isolator and the second isolator both adopt high-power circulators.

[0017] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0018] The multi-channel microwave power amplifier of the present application can control the power on and off of the first power amplifier branch, the second power amplifier branch and the third power amplifier branch respectively under the control of the power supply and control protection circuit module; the working frequency band of the first power amplifier branch and the first isolator is the A band, the working frequency band of the second power amplifier branch and the second isolator is the B band, the A band is 2.6-6GHz, and the B band is 6-10GHz; the signal frequency band input by the third signal input end of the third power amplifier branch includes the A band and the B band; in this way, it is possible to achieve power amplification of microwaves of multiple bands at the same time, and output the multi-band signals after power amplification. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and their implementation methods.

[0020] Figure 1 A multi-channel microwave power amplifier in one embodiment of the utility model is shown.

[0021] Figure 2 A multi-channel microwave power amplifier in another embodiment of the utility model is shown. DETAILED DESCRIPTION

[0022] The various aspects of the utility model are further described in detail below.

[0023] Unless otherwise defined or indicated, all professional and scientific terms used herein have the same meanings as those familiar to those skilled in the art. In addition, any methods and materials similar or equivalent to those described herein can be applied to the present invention.

[0024] Unless otherwise clearly specified and limited, the "or" mentioned in the present invention includes the relationship of "and". The "and" is equivalent to the Boolean logic operator "AND", the "or" is equivalent to the Boolean logic operator "OR", and "AND" is a subset of "OR".

[0025] It is to be understood that although the terms "first", "second", etc. may be used herein to describe different elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. Therefore, the first element may be referred to as the second element without departing from the teachings of the present invention.

[0026] In the present invention, the terms “mainly composed of” and “consisting of” are included in the terms “containing”, “including” or “comprising”.

[0027] Unless otherwise clearly specified and limited, the terms "connected", "connected" and "connection" in the present invention should be understood in a broad sense, for example, it can be a fixed connection, or it can be connected through an intermediary medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] For example, if an element (or component) is referred to as being on, coupled to, or connected to another element, the element may be directly formed on, coupled to, or connected to the other element, or there may be one or more intervening elements between them. In contrast, if the expressions "directly on," "directly coupled to," and "directly connected to" are used herein, then no intervening elements are indicated. Other words used to describe the relationship between elements should be similarly interpreted, such as "between" and "directly between," "attached" and "directly attached," "adjacent" and "directly adjacent," and the like.

[0029] It should also be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The words "inner" and "outer" used refer to directions toward or away from the geometric center of a particular component, respectively. It can be understood that these terms are used here to describe the relationship of one element, layer or region relative to another element, layer or region as shown in the drawings. In addition to the orientations described in the drawings, these terms should also include other orientations of the device.

[0030] Other aspects of the present invention will be apparent to those skilled in the art from the disclosure herein.

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0032] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation. The type, quantity and proportion of each component in actual implementation may be changed arbitrarily, and the component layout may also be more complicated. For example, the thickness of the components in the drawings may be exaggerated for the sake of clarity.

[0033] Example 1

[0034] As attached Figure 1 As shown, the utility model implements a multi-channel microwave power amplifier, and the multi-channel microwave power amplifier includes:

[0035] A power supply and control protection circuit module 1;

[0036] A radio frequency link module 2, the radio frequency link module 2 is electrically connected to the power supply and control protection circuit module 1 to supply power to the radio frequency link module; wherein,

[0037] The radio frequency link module includes a first power amplifier branch and a second power amplifier branch;

[0038] The first power amplifier branch comprises a first temperature compensation and equalization circuit 3, a first amplifier unit 4, and a first isolator 5 which are communicatively connected in sequence, the first temperature compensation and equalization circuit 3 is communicatively connected to a first signal input terminal, the first isolator 5 is provided with an output terminal of a power-amplified signal, and the first amplifier unit 4 has three-stage amplifiers connected in series;

[0039] The second power amplifier branch comprises a second temperature compensation and equalization circuit 6, a second amplifier unit 7, and a second isolator 8 which are communicatively connected in sequence, the second temperature compensation and equalization circuit 6 is communicatively connected to a second signal input terminal, the second isolator 8 is provided with an output terminal of a power-amplified signal, and the first amplifier unit 7 has three-stage amplifiers connected in series;

[0040] The operating frequency band of the first power amplifier branch and the first isolator is the A frequency band, and the operating frequency band of the second power amplifier branch and the second isolator is the B frequency band. The A frequency band is 2.6-6 GHz, and the B frequency band is 6-10 GHz.

[0041] As a preferred implementation, the power supply and control protection circuit module has a built-in power management chip.

[0042] As a preferred embodiment, both the first isolator and the second isolator are high-power circulators.

[0043] Example 2

[0044] As attached Figure 2 As shown, the utility model implements a multi-channel microwave power amplifier, and the multi-channel microwave power amplifier includes:

[0045] A power supply and control protection circuit module 1;

[0046] A radio frequency link module 2, the radio frequency link module 2 is electrically connected to the power supply and control protection circuit module 1 to supply power to the radio frequency link module; wherein,

[0047] The radio frequency link module includes a first power amplifier branch and a second power amplifier branch;

[0048] The first power amplifier branch comprises a first temperature compensation and equalization circuit 3, a first amplifier unit 4, and a first isolator 5 which are communicatively connected in sequence, the first temperature compensation and equalization circuit 3 is communicatively connected to a first signal input terminal, the first isolator 5 is provided with an output terminal of a power-amplified signal, and the first amplifier unit 4 has three-stage amplifiers connected in series;

[0049] The second power amplifier branch comprises a second temperature compensation and equalization circuit 6, a second amplifier unit 7, and a second isolator 8 which are communicatively connected in sequence, the second temperature compensation and equalization circuit 6 is communicatively connected to a second signal input terminal, the second isolator 8 is provided with an output terminal of a power-amplified signal, and the first amplifier unit 7 has three-stage amplifiers connected in series;

[0050] The operating frequency band of the first power amplifier branch and the first isolator is the A frequency band, the operating frequency band of the second power amplifier branch and the second isolator is the B frequency band, the A frequency band is 2.6-6 GHz, and the B frequency band is 6-10 GHz;

[0051] The RF link module 2 also includes a third power amplifier branch, which includes a third temperature compensation and equalization circuit 9, a third amplifier unit 10, and an inter-frequency power division circuit 11 that are communicatively connected in sequence, the third temperature compensation and equalization circuit 9 is communicatively connected to a third signal input terminal, the third amplifier unit 10 has a three-stage amplifier connected in series, and the inter-frequency power division circuit 11 has two output terminals, and the two output terminals of the inter-frequency power division circuit 11 are communicatively connected to the first isolator 5 and the second isolator 8 respectively.

[0052] As a preferred embodiment, the signal frequency band input to the third signal input end of the third power amplifier branch includes A band and B band, and the heterodyne power division circuit is used to output A band signal and B band signal to the first isolator 5 and the second isolator 8 respectively, and the first isolator 5 is used to power synthesize the A band signal output by the first power amplifier branch and the A band signal output by the heterodyne power division circuit and then output them, and the second isolator 8 is used to power synthesize the B band signal output by the second power amplifier branch and the B band signal output by the heterodyne power division circuit and then output them.

[0053] As a preferred implementation, the power supply and control protection circuit module 1 can control the power on and off of the first power amplifier branch, the second power amplifier branch and the third power amplifier branch respectively.

[0054] As a preferred implementation, the power supply and control protection circuit module 1 has a built-in power management chip.

[0055] As a preferred embodiment, both the first isolator 5 and the second isolator 8 are high-power circulators.

[0056] The multi-channel microwave power amplifier of the present application can control the power on and off of the first power amplifier branch, the second power amplifier branch and the third power amplifier branch respectively under the control of the power supply and control protection circuit module; the working frequency band of the first power amplifier branch and the first isolator is the A band, the working frequency band of the second power amplifier branch and the second isolator is the B band, the A band is 2.6-6GHz, and the B band is 6-10GHz; the signal frequency band input by the third signal input end of the third power amplifier branch includes the A band and the B band; in this way, it is possible to achieve power amplification of microwaves of multiple bands at the same time, and output the multi-band signals after power amplification.

[0057] Based on this application, it should be understood by those skilled in the art that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0058] It should be noted that the above embodiments can be freely combined as needed. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

[0059] All documents mentioned in this utility model are cited as references in this application, just as each document is cited as reference separately. In addition, it should be understood that after reading the above content of this utility model, those skilled in the art can make various changes or modifications to this utility model, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A multi-channel microwave power amplifier, characterized in that: The multi-channel microwave power amplifier comprises: A power supply and control protection circuit module; A radio frequency link module, the radio frequency link module is electrically connected to the power supply and control protection circuit module to supply power to the radio frequency link module; wherein, The radio frequency link module includes a first power amplifier branch and a second power amplifier branch; The first power amplifier branch comprises a first temperature compensation and equalization circuit, a first amplifier unit, and a first isolator which are communicatively connected in sequence, the first temperature compensation and equalization circuit is communicatively connected to a first signal input terminal, the first isolator is provided with an output terminal of a power-amplified signal, and the first amplifier unit has three-stage amplifiers which are connected in series; The second power amplifier branch comprises a second temperature compensation and equalization circuit, a second amplifier unit, and a second isolator which are communicatively connected in sequence, the second temperature compensation and equalization circuit is communicatively connected to a second signal input terminal, the second isolator is provided with an output terminal of a power-amplified signal, and the first amplifier unit has three-stage amplifiers which are connected in series; The operating frequency band of the first power amplifier branch and the first isolator is the A frequency band, and the operating frequency band of the second power amplifier branch and the second isolator is the B frequency band. The A frequency band is 2.6-6 GHz, and the B frequency band is 6-10 GHz.

2. A multi-channel microwave power amplifier as claimed in claim 1, characterized in that: The RF link module also includes a third power amplifier branch, which includes a third temperature compensation and equalization circuit, a third amplifier unit, and an inter-frequency power division circuit that are communicatively connected in sequence, the third temperature compensation and equalization circuit is communicatively connected to a third signal input terminal, the third amplifier unit has a three-stage amplifier connected in series, and the inter-frequency power division circuit has two output terminals, and the two output terminals of the inter-frequency power division circuit are communicatively connected to the first isolator and the second isolator respectively.

3. A multi-channel microwave power amplifier as claimed in claim 2, characterized in that: The signal frequency band input to the third signal input end of the third power amplifier branch includes A band and B band. The heterodyne power division circuit is used to output A band signal and B band signal to the first isolator and the second isolator respectively. The first isolator is used to power synthesize the A band signal output by the first power amplifier branch and the A band signal output by the heterodyne power division circuit and then output them. The second isolator is used to power synthesize the B band signal output by the second power amplifier branch and the B band signal output by the heterodyne power division circuit and then output them.

4. A multi-channel microwave power amplifier as claimed in claim 3, characterized in that: The power supply and control protection circuit module can control the power on and off of the first power amplifier branch, the second power amplifier branch and the third power amplifier branch respectively.

5. A multi-channel microwave power amplifier as claimed in claim 4, characterized in that: The power supply and control protection circuit module is equipped with a power management chip.

6. A multi-channel microwave power amplifier as claimed in claim 5, characterized in that: The first isolator and the second isolator both adopt high-power circulators.

Images