CN208111653U - It can self feed back radio frequency soft magnetism power combiner - Google Patents
It can self feed back radio frequency soft magnetism power combiner Download PDFInfo
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- CN208111653U CN208111653U CN201820665623.4U CN201820665623U CN208111653U CN 208111653 U CN208111653 U CN 208111653U CN 201820665623 U CN201820665623 U CN 201820665623U CN 208111653 U CN208111653 U CN 208111653U
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Abstract
The utility model discloses one kind can self feed back radio frequency soft magnetism power combiner, including synthesizer main body, the synthesizer main body includes rf inputs, power synthesis circuit, synthesis output end, the rf inputs be it is multiple, synthesis output end is one；The synthesis output end, to one extension of formation is extended, further includes a self-feedback ciucuit along output side signal.The utility model complete machine is not necessarily to install the CA cable assembly of directional coupler and connection, reduces the debugging difficulty and cost of complete machine, saves the inner space of complete machine, improves the reliability of complete machine.The utility model is functionally essentially different with traditional radio frequency soft magnetism power combiner, pass through the self-feedback ciucuit being integrated in inside synthesizer, self feed back radio frequency soft magnetism power combiner can provide feedback signal, the working condition of direct monitoring primary path while carrying out power combing for system.This function is not available for traditional radio frequency soft magnetism power combiner.
Description
Technical field
The utility model relates to a kind of power combiners more particularly to one kind can self feed back radio frequency soft magnetism power combiner.
Background technique
RF power amplification component is widely used in all kinds of transmitters, is radar, communication, electronic countermeasure, antenna and antenna array
Etc. Core equipment in systems.Multichannel power signal can be synthesized output all the way or all the way signal point by RF power combiner
It is made into multiple-channel output, is the Primary Component in RF power amplification component.With the development of electronic information technology, original electron tube hair
It penetrates machine to eliminate substantially, is currently solid-state version transmitter based on power synthetic technique, digital transmission, transmission power is from several
Hectowatt is to several hundred kilowatts.
Often there are multiple amplifiers in power amplifier components, the working condition of any amplifier, which changes or fails, can all draw
The power output for playing power amplifier components, influences the working condition of transmitter.For the reliability for improving RF power amplification component, generally require
In RF power amplification component internal or external increase directional coupler, often through a CA cable assembly and power amplifier components output end
It is connected.The primary path working condition of RF power amplification component is supplied to control mould by directional coupler Real-time Feedback and by the signal
Block.
Current power combiner radio band mainly have same phase multichannel power combiner, orthogonal bridge-type power combiner,
Reversed-phase power combiner.When covering shortwave to ultrashort range, RF power combiner is generally required using soft magnetism material
Expect that the line transformer principle as magnetic core makes.Work tries coupled signal in the large-power directional coupler of this frequency range
Power, there is two kinds of forms of coaxial cavity and line transformer, and size is often larger.And it is existing anti-by installing directional coupler additional
The mode of feedback RF power amplification component operation state generally requires technical personnel's combined test, to obtain optimal transporting
Can, reduce the debugging efficiency of complete machine.It needs also specially to reserve enough spaces in structure and places directional coupler, and set
It is connected by meter connecting path by CA cable assembly with power amplifier components, is increased the size of complete machine and is improved complete machine cost.
Summary of the invention
The purpose of this utility model is that providing one kind solves the above problems, without being that the individually designed installation of coupler is empty
Between and connection line, save complete machine inner space, reduce design flow；Coupler and CA cable assembly are not needed to buy, is reduced
Product cost can self feed back radio frequency soft magnetism power combiner.
To achieve the goals above, the technical solution adopted in the utility model is such：One kind can self feed back radio frequency it is soft
Magnetic power synthesizer, including synthesizer main body, the synthesizer main body include rf inputs, power synthesis circuit, synthesis it is defeated
Outlet, the rf inputs be it is multiple, synthesis output end be one, the synthesis output end along output side signal to extension shape
At an extension；
It further include a self-feedback ciucuit, the self-feedback ciucuit includes positive Coupled Feedback circuit, positive feedback output end
Mouth, reverse coupled feed circuit, reverse feedback output port, the forward direction Coupled Feedback circuit and reverse coupled feed circuit position
In the two sides of extension；
The forward direction Coupled Feedback circuit includes the coupled microstrip line being printed in printed board and compensation network, the coupling
Microstrip line, which is used to go out to synthesize output end by electricity, magnetic field coupling, obtains forward power signal, and connection one is positive anti-after compensated network
Present end；
The reverse coupled feed circuit includes the coupled microstrip line being printed in printed board and compensation network, the coupling
Microstrip line, which is used to go out to synthesize output end by electricity, magnetic field coupling, obtains backward power signal, connects reverse feedback after compensated network
End；
The direction of the coupled microstrip line of the coupled microstrip line and reverse coupled feed circuit of the forward direction Coupled Feedback circuit
On the contrary, positive feedback end and reverse feedback end are symmetrically distributed in extension opposite sides.
As preferred：It further include a main casing and sub-shell, the synthesizer main body is located in main casing, the self feed back
Circuit and extension are located in sub-shell, are connected to inside main casing and sub-shell, and positive feedback end and reverse feedback end are located at
Sub-shell opposite sides.
As preferred：The compensation network include with input terminal and output end, wherein output end connect coupled microstrip line, it is defeated
Outlet is correspondingly connected with positive feedback output port or reverse feedback output port, two electricity of connecting between the input terminal and output end
It hinders, a two o'clock group inductance also in parallel, passes through a capacity earth between two resistance.
Compared with prior art, the utility model has the advantage of：Self-feedback ciucuit is integrated in power combiner, function
Primary path power signal can be coupled out by rate synthesizer in real time by self-feedback ciucuit, be supplied to control module.
The utility model complete machine is not necessarily to install the CA cable assembly of directional coupler and connection, and the debugging for reducing complete machine is difficult
Degree and cost, save the inner space of complete machine, improve the reliability of complete machine.
The utility model is functionally essentially different with traditional radio frequency soft magnetism power combiner, by being integrated in
Self-feedback ciucuit inside synthesizer, self feed back radio frequency soft magnetism power combiner can be system while carrying out power combing
Feedback signal, the working condition of direct monitoring primary path are provided.This function be traditional radio frequency soft magnetism power combiner institute not
Have.
Detailed description of the invention
Fig. 1 is the utility model external structure schematic diagram；
Fig. 2 is the utility model circuit diagram；
Fig. 3 is compensation network circuit diagram；
Fig. 4 is compensation network transmission curve figure；
Fig. 5 is positive feedback profile；
Fig. 6 is 3 perspective view of embodiment；
Fig. 7 is 4 perspective view of embodiment.
In figure：1, main casing；2, sub-shell；3, rf inputs；4, output end is synthesized；5, positive feedback output port；
6, reverse feedback output port；7, coupled microstrip line；8, compensation network.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Embodiment 1：Referring to Fig. 1 to Fig. 4, one kind can self feed back radio frequency soft magnetism power combiner, including synthesizer main body, institute
Stating synthesizer main body includes rf inputs 3, power synthesis circuit, synthesis output end 4, and the rf inputs 3 are multiple, conjunction
It is one at output end 4；The synthesis output end 4 forms an extension to extension along output side signal；
It further include a self-feedback ciucuit, the self-feedback ciucuit includes positive Coupled Feedback circuit, positive feedback output end
Mouth 5, reverse coupled feed circuit, reverse feedback output port 6, the forward direction Coupled Feedback circuit and reverse coupled feed circuit
Positioned at the two sides of extension；
The forward direction Coupled Feedback circuit includes the coupled microstrip line 7 being printed in printed board and compensation network 8, the coupling
Conjunction microstrip line 7 is for passing through electricity, magnetic field coupling goes out synthesis output end 4 and obtains forward power signal, and one is being connected after compensated network 8 just
To feedback end；
The reverse coupled feed circuit includes the coupled microstrip line 7 being printed in printed board and compensation network 8, the coupling
It closes microstrip line 7 and obtains backward power signal for going out to synthesize output end 4 by electricity, magnetic field coupling, connected after compensated network 8 reversed
Feedback end；
The side of the coupled microstrip line 7 of the coupled microstrip line 7 and reverse coupled feed circuit of the forward direction Coupled Feedback circuit
To on the contrary, positive feedback end and reverse feedback end are symmetrically distributed in extension opposite sides.
In the present embodiment：It further include a main casing 1 and sub-shell 2, the synthesizer main body is located in main casing 1, described
Self-feedback ciucuit and extension are located in sub-shell 2, are connected to inside main casing 1 and sub-shell 2, and positive feedback end and reversed anti-
Feedback end is located at 2 opposite sides of sub-shell；
The compensation network 8 include with input terminal and output end, wherein output end connect coupled microstrip line 7, output end pair
Positive feedback output port 5 or reverse feedback output port 6 should be connected, two resistance of connecting between the input terminal and output end, two
Point group goes back an inductance in parallel, passes through a capacity earth between two resistance.
Wherein, the effect of combiner circuit is, by radio frequency soft magnetism line transformer, combiner circuit by rf power signal
Synthesis.
Embodiment 2：The specific power combiner built using embodiment 1, for the micro-strip port of 4 tunnels input
Structure self feed back radio frequency soft magnetism power combiner.The synthesizer all of the port is microstrip structure, and 43 mouthfuls of rf inputs are same
It mutually inputs, insertion loss≤0.5dB, the forward and reverse degree of coupling is 42dB ± 1.0dB, forward and reverse direction degree >=20dB.The example
Operating power be 1200W, having a size of≤189 × 135 × 32 (mm).
Fig. 5 is the positive feedback curve of this example, because reverse feedback curve and positive feedback curve are almost the same, Gu Tuzhong
Provide positive feedback curve.But it must illustrate, the degree of coupling of positive feedback and reverse feedback adjusts according to the usage requirement, does not limit
It is consistent.
Embodiment 3：Referring to Fig. 6, the specific power combiner built using embodiment 1,4 tunnels coaxially input, are defeated
Form self feed back RADIO FREQUENCY SYNTHESIZER out.The synthesizer all of the port is coaxial configuration, 2 positive feedback ends, 2 reverse feedback ends
It is all SMA type coaxial connector.The synthesizer is pulse power, is up to 20kW, insertion loss≤0.4dB, forward and reverse coupling
Degree is 56dB ± 0.3dB, forward and reverse direction degree >=25dB, having a size of≤380 × 326 × 32.4 (mm).
Embodiment 4：See Fig. 7,6 tunnels coaxially input self feed back power combiner.The synthesizer all of the port is coaxial configuration,
1 positive feedback end, 1 reverse feedback end are all N-type coaxial connectors.The synthesizer operating power is up to 10kW, insertion
Loss≤0.4dB, the forward and reverse degree of coupling are 60dB ± 0.3dB, forward and reverse direction degree >=20dB, having a size of≤600 × 572 ×
210(mm)。
Claims (3)
1. one kind can self feed back radio frequency soft magnetism power combiner, including synthesizer main body, the synthesizer main body include that radio frequency is defeated
Enter end, power synthesis circuit, synthesis output end, the rf inputs be it is multiple, synthesis output end be one, feature exists
In：The synthesis output end forms an extension to extension along output side signal；
It further include a self-feedback ciucuit, the self-feedback ciucuit includes positive Coupled Feedback circuit, positive feedback output port, anti-
To Coupled Feedback circuit, reverse feedback output port, it is described forward direction Coupled Feedback circuit and reverse coupled feed circuit be located at prolong
The two sides of long section；
The forward direction Coupled Feedback circuit includes the coupled microstrip line being printed in printed board and compensation network, the coupling microstrip
Line, which is used to go out to synthesize output end by electricity, magnetic field coupling, obtains forward power signal, and a positive feedback end is connected after compensated network；
The reverse coupled feed circuit includes the coupled microstrip line being printed in printed board and compensation network, the coupling microstrip
Line, which is used to go out to synthesize output end by electricity, magnetic field coupling, obtains backward power signal, connects reverse feedback end after compensated network；
The coupled microstrip line of the coupled microstrip line and reverse coupled feed circuit of the forward direction Coupled Feedback circuit it is contrary,
Positive feedback end and reverse feedback end are symmetrically distributed in extension opposite sides.
2. one kind according to claim 1 can self feed back radio frequency soft magnetism power combiner, it is characterised in that：It further include one main
Shell and sub-shell, the synthesizer main body are located in main casing, and the self-feedback ciucuit and extension are located in sub-shell, main
It is connected to inside shell and sub-shell, and positive feedback end and reverse feedback end are located at sub-shell opposite sides.
3. one kind according to claim 1 can self feed back radio frequency soft magnetism power combiner, it is characterised in that：The compensation net
Network include with input terminal and output end, wherein output end connects coupled microstrip line, and output end is correspondingly connected with positive feedback output end
Mouth or reverse feedback output port, two resistance of connecting between the input terminal and output end, a two o'clock group inductance also in parallel, two resistance
Between pass through a capacity earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820665623.4U CN208111653U (en) | 2018-05-07 | 2018-05-07 | It can self feed back radio frequency soft magnetism power combiner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820665623.4U CN208111653U (en) | 2018-05-07 | 2018-05-07 | It can self feed back radio frequency soft magnetism power combiner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666728A (en) * | 2018-05-07 | 2018-10-16 | 西南应用磁学研究所 | It can self feed back radio frequency soft magnetism power combiner |
| CN112310589A (en) * | 2020-12-16 | 2021-02-02 | 中国电子科技集团公司第九研究所 | Ware is divided to outer merit of aerospace cabin |
-
2018
- 2018-05-07 CN CN201820665623.4U patent/CN208111653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666728A (en) * | 2018-05-07 | 2018-10-16 | 西南应用磁学研究所 | It can self feed back radio frequency soft magnetism power combiner |
| CN112310589A (en) * | 2020-12-16 | 2021-02-02 | 中国电子科技集团公司第九研究所 | Ware is divided to outer merit of aerospace cabin |
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