CN208971474U - A kind of power combing amplifying circuit - Google Patents
A kind of power combing amplifying circuit Download PDFInfo
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- CN208971474U CN208971474U CN201821694815.4U CN201821694815U CN208971474U CN 208971474 U CN208971474 U CN 208971474U CN 201821694815 U CN201821694815 U CN 201821694815U CN 208971474 U CN208971474 U CN 208971474U
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Abstract
The utility model discloses a kind of power combing amplifying circuits, comprising: RF input interface, gain drive amplification circuit, power drive amplifying circuit, eight road power amplification circuits, RF output interface and power adaptation module；The RF input interface, gain drive amplification circuit, power drive amplifying circuit, eight road power amplification circuits, RF output interface are sequentially connected；Gain drive amplification circuit includes microwave amplification chip, for the pre- amplification gain processing of RF input signal；Power drive amplifying circuit is used to carry out power amplification to pre- amplification gain treated signal；Eight road power amplification circuits include sequentially connected eight road power distributing circuit, eight road power amplifier module He, eight road power synthesis circuit；Auxiliary power circuit plate is connected between eight road power amplifier module and power adaptation module.The utility model is easily assembled to, and reduces electromagnetic interference.
Description
Technical field
The utility model relates to electronic microwave field more particularly to a kind of power combing amplifying circuits.
Background technique
Powerful wideband power amplifer is widely used, and is the core component of transmitter.Existing most of power amplifications
Device is limited to the power limit of power amplifying device, can not realize powerful broadband amplification.And production technology is complicated, power supply
Wiring also generates certain interference to the electromagnetic performance of device.
Wilkinson electric bridge, i.e. Wilkinson electric bridge, three-port network can accomplish exact matching and output port it
Between have isolation, so as to improve the deficiency of common power splitter.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of power combing amplifying circuits.
Specifically, a kind of power combing amplifying circuit, comprising: RF input interface, gain drive amplification circuit, power drive
Amplifying circuit, eight road power amplification circuits, RF output interface and power adaptation module；
The RF input interface, gain drive amplification circuit, power drive amplifying circuit, eight road power amplification circuits, RF
Output interface is sequentially connected；The power adaptation module is used for gain drive amplification circuit, power drive amplifying circuit, eight tunnels
Power amplification circuit power supply；
The gain drive amplification circuit includes microwave amplification chip, for the pre- amplification gain processing of RF input signal；
The power drive amplifying circuit is used to carry out power amplification to pre- amplification gain treated signal；
Eight road power amplification circuit include sequentially connected eight road power distributing circuit, eight road power amplifier modules and eight
Road power synthesis circuit；
Auxiliary power circuit plate, the accessory power supply electricity are connected between eight road power amplifier module and power adaptation module
Road plate is set to the surface of eight road power amplifier modules, powers for Xiang Balu power amplifier module.
Preferably, the microwave amplification chip is GAL-5 microwave amplification chip.
Preferably, the power drive amplifying circuit includes MW6S004 chip.
Preferably, eight road power distributing circuit and eight road power synthesis circuits are all made of three-stage cascade Wilkinson electricity
Bridge structure.
Preferably, eight road power amplifier module includes eight independent power amplification units, and the power amplification unit is
Field-effect tube power amplifier chips.
Preferably, the layout of the power amplification unit of eight road power amplifier modules is by the way of equidistant arrangement, the side of arrangement
To vertical with the direction of amplifier signal input and output.
Preferably, the power adaptation module includes external power source interface, DC-DC module and electromagnetic interface filter, described external
Power interface, DC-DC module, electromagnetic interface filter are sequentially connected, for providing working power.
Preferably, the auxiliary power circuit plate includes negative pressure Voltage stabilizing module and resistance pressure-dividing network；The negative pressure pressure stabilizing
The positive and negative electricity of module is connected respectively to power adaptation module, and output passes through resistance pressure-dividing network, the function of Xiang Balu power amplifier module
The grid and drain of rate amplifying unit provide operating voltage.
The utility model has the beneficial effects that:
1) layout of the power amplification unit of eight road power amplifier modules is brought greatly by the way of tile vertical to assembling
Convenience；
2) setting of auxiliary power circuit plate not only can replace a part of power supply fly line, moreover it is possible to play electromagnetic shielding
Effect, reduce the spacing electromagnetic radiation above power chip.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model；
Eight road power amplification circuit structure chart of Tu2Shi.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
Specifically, a kind of power combing amplifying circuit, comprising: RF input interface, gain drive amplification circuit, power drive
Amplifying circuit, eight road power amplification circuits, RF output interface and power adaptation module；
The RF input interface, gain drive amplification circuit, power drive amplifying circuit, eight road power amplification circuits, RF
Output interface is sequentially connected；
The power adaptation module is used for gain drive amplification circuit, power drive amplifying circuit, eight tunnel power amplifications
Circuit power supply；The power adaptation module includes external power source interface, DC-DC module and electromagnetic interface filter, and the external power supply connects
Mouth, DC-DC module, electromagnetic interface filter are sequentially connected, for providing working power.Electromagnetic interface filter
The gain drive amplification circuit includes microwave amplification chip, for the pre- amplification gain processing of RF input signal；It is described
Microwave amplification chip is GAL-5 microwave amplification chip.
The power drive amplifying circuit is used to carry out power amplification to pre- amplification gain treated signal；The power drives
Dynamic amplifying circuit is the additional devices such as MW6S004 chip, and peripheral resistance, capacitor.
Eight road power amplification circuit include sequentially connected eight road power distributing circuit, eight road power amplifier modules and eight
Road power synthesis circuit；Eight road power distributing circuit and eight road power synthesis circuits are all made of three-stage cascade Wilkinson electricity
Bridge structure.Eight road power amplifier module includes eight independent power amplification units, and the power amplification unit is field-effect tube
Power amplifier chips.Its model can also equally select MW6S004 chip.At work, three-stage cascade Wilkinson bridge structure will
Signal is divided into eight tunnels, and after power amplification unit amplifies, eight road signal of Zai Jiang is closed through eight road power synthesis circuits on every road
At being exported by RF output interface.
It is connected with auxiliary power circuit plate between eight road power amplifier module and power adaptation module, is used for Xiang Balu power amplifier
Module for power supply.The auxiliary power circuit plate is set to the design of the surface of eight road power amplifier modules, not only reduces power supply fly line,
Also act the effect of electromagnetic shielding.
Preferably, the layout of the power amplification unit of eight road power amplifier modules is by the way of equidistant arrangement, the side of arrangement
To vertical with the direction of amplifier signal input and output.The design is conducive to production and assembly.
Preferably, the auxiliary power circuit plate includes negative pressure Voltage stabilizing module and resistance pressure-dividing network；The negative pressure pressure stabilizing
The positive and negative electricity of module is connected respectively to power adaptation module, and output passes through resistance pressure-dividing network, the function of Xiang Balu power amplifier module
The grid and drain of rate amplifying unit provide operating voltage.The resistance pressure-dividing network is function by designing suitable divider resistance
Rate amplifying unit provides operating voltage, and high voltage thin film resistance pressure-dividing network (HVRD) Lai Shixian also can be used.
It should be noted that for simple description, therefore, it is stated as a systems for each embodiment of the method above-mentioned
The combination of actions of column, but those skilled in the art should understand that, the application is not limited by the described action sequence, because
For according to the application, certain some step be can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, related movement and unit not necessarily this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, ROM, RAM etc..
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (8)
1. a kind of power combing amplifying circuit characterized by comprising RF input interface, gain drive amplification circuit, power drive
Dynamic amplifying circuit, eight road power amplification circuits, RF output interface and power adaptation module；
The RF input interface, gain drive amplification circuit, power drive amplifying circuit, eight road power amplification circuits, RF output
Interface is sequentially connected；The power adaptation module is used for gain drive amplification circuit, power drive amplifying circuit, eight road power
Amplifying circuit power supply；
The gain drive amplification circuit includes microwave amplification chip, for the pre- amplification gain processing of RF input signal；
The power drive amplifying circuit is used to carry out power amplification to pre- amplification gain treated signal；
Eight road power amplification circuit includes sequentially connected eight road power distributing circuit, eight road power amplifier module He, eight road function
Rate combiner circuit；
Auxiliary power circuit plate, the auxiliary power circuit plate are connected between eight road power amplifier module and power adaptation module
It is set to the surface of eight road power amplifier modules, is powered for Xiang Balu power amplifier module.
2. a kind of power combing amplifying circuit according to claim 1, which is characterized in that the microwave amplification chip is
GAL-5 microwave amplification chip.
3. a kind of power combing amplifying circuit according to claim 1, which is characterized in that the power drive amplifying circuit
Including MW6S004 chip.
4. a kind of power combing amplifying circuit according to claim 1, which is characterized in that eight road power distributing circuit
Three-stage cascade Wilkinson bridge structure is all made of with eight road power synthesis circuits.
5. a kind of power combing amplifying circuit according to claim 1, which is characterized in that eight road power amplifier module includes
Eight independent power amplification units, the power amplification unit are field-effect tube power amplifier chips.
6. a kind of power combing amplifying circuit according to claim 2, which is characterized in that the power of eight road power amplifier modules is put
For the layout of big unit by the way of equidistant arrangement, the direction of arrangement is vertical with the direction of amplifier signal input and output.
7. a kind of power combing amplifying circuit according to claim 1, which is characterized in that the power adaptation module includes
External power source interface, DC-DC module and electromagnetic interface filter, the external power source interface, DC-DC module, electromagnetic interface filter successively phase
Even, for providing working power.
8. a kind of power combing amplifying circuit according to claim 1, which is characterized in that the auxiliary power circuit plate packet
Include negative pressure Voltage stabilizing module and resistance pressure-dividing network；The positive and negative electricity of the negative pressure Voltage stabilizing module is connected respectively to power adaptation module,
It is exported through resistance pressure-dividing network, and the power amplification unit of Xiang Balu power amplifier module provides operating voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694815.4U CN208971474U (en) | 2018-10-19 | 2018-10-19 | A kind of power combing amplifying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694815.4U CN208971474U (en) | 2018-10-19 | 2018-10-19 | A kind of power combing amplifying circuit |
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| Publication Number | Publication Date |
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| CN208971474U true CN208971474U (en) | 2019-06-11 |
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| CN201821694815.4U Active CN208971474U (en) | 2018-10-19 | 2018-10-19 | A kind of power combing amplifying circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286379A (en) * | 2018-10-19 | 2019-01-29 | 成都中科天御通信技术有限公司 | A kind of power combing amplifying circuit |
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2018
- 2018-10-19 CN CN201821694815.4U patent/CN208971474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286379A (en) * | 2018-10-19 | 2019-01-29 | 成都中科天御通信技术有限公司 | A kind of power combing amplifying circuit |
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