CN206422751U - A kind of X-band solid-state power amplifier - Google Patents
A kind of X-band solid-state power amplifier Download PDFInfo
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- CN206422751U CN206422751U CN201720132153.0U CN201720132153U CN206422751U CN 206422751 U CN206422751 U CN 206422751U CN 201720132153 U CN201720132153 U CN 201720132153U CN 206422751 U CN206422751 U CN 206422751U
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Abstract
The utility model provides a kind of X-band solid-state power amplifier, including two-way electric tuning attenuation control circuit, prime signal amplification circuit, excitation amplifying circuit, final power amplifying circuit, pulse power source control circuit, isolator, power distributing circuit, biasing circuit and power supply modulator circuit；External radio frequency input signal is after electric tuning balancing control circuit and power distributing circuit, send into prime signal amplification circuit and carry out signal amplification, after the excitation amplification of excitation amplifying circuit, the amplifying circuit amplification of feeding final power is exported through isolator, second directional coupler completes two-way output coupling 9A and output coupling 9B after the microstrip coupled small-signal of final power amplifying circuit via one-to-two power splitter.The utility model provides a kind of with low current power consumption, the X-band solid-state power amplifier for the advantages of functional integration is high.
Description
Technical field
The utility model is related to a kind of amplifier, more particularly to a kind of X-band solid-state power amplifier.
Background technology
It is single that existing similar technique is mainly manifested in volume big, heat dissipation, function, can not meet the requirement of party in request, similar
Power amplifier substantially flow by：External radio-frequency signal send into power amplifier input after useful low level signal amplification to certain power again
The further amplifying power of drive(r) stage is sent into, final stage power amplifier is then fed into and carries out power amplification big signal as defined in, through isolator
Exported after entering moving standing wave matching；General power amplifier only has simple signal amplification, except volume is big, current dissipation
Severity, function is single, it is difficult to meet the overall requirement of system.
Utility model content
The technical problem that the utility model is solved is to provide a kind of high-power detection suitable for radar system, with small
Current power dissipation, the X-band solid-state power amplifier for the advantages of functional integration is high.
To solve above-mentioned technical problem, the technical scheme that the utility model is taken：
A kind of X-band solid-state power amplifier, including two-way electric tuning attenuation control circuit, prime signal amplification circuit,
Encourage amplifying circuit, final power amplifying circuit, pulse power source control circuit, isolator, power distributing circuit, biasing circuit with
And power supply modulator circuit；External radio frequency input signal is after electric tuning balancing control circuit and power distributing circuit, before feeding
Level signal amplification circuit carries out signal amplification, after the excitation amplification of excitation amplifying circuit, the amplifying circuit amplification of feeding final power
Exported through isolator, the second directional coupler is after the microstrip coupled small-signal of final power amplifying circuit, via one-to-two work(point
Device complete two-way output coupling 9A and output coupling 9B, pulse power source control circuit respectively with prime signal amplification circuit, excitation
Amplifying circuit, the connection of final power amplifying circuit, prime signal amplification circuit are connected with the first directional coupler；The biased electrical
Road is connected with the first directional coupler, the power supply modulator circuit connect respectively biasing circuit, pulse power source control circuit and every
From device.
Compared with prior art, the utility model has that power consumption stream is small, function is more, the features such as reliability is high, it is adaptable to each
The high-power detection with frequency range radar system is planted, with low current power consumption, the advantages of functional integration is high can be widely applied to machine
In the military-civil equipments such as load, carrier-borne, vehicle-mounted and missile-borne.
Brief description of the drawings
Fig. 1 is connection block diagram of the present utility model；
Fig. 2 is microwave channel of the present utility model and power supply connection block diagram.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, herein signal of the present utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended as limiting of the present utility model.
Referring to figs. 1 to Fig. 2, declined the utility model discloses a kind of X-band solid-state power amplifier, including two-way electric tuning
Down control circuit 1, prime signal amplification circuit 2, excitation amplifying circuit 3, final power amplifying circuit 4, pulse power source control electricity
Road 5, isolator 6, power distributing circuit 10, biasing circuit 11 and power supply modulator circuit 12；External radio frequency input signal is passed through
After electric tuning balancing control circuit 1 and power distributing circuit 10, feeding prime signal amplification circuit 2 carries out signal amplification, by swashing
Encourage after the excitation amplification of amplifying circuit 3, feeding final power amplifying circuit 4 amplifies to be exported through isolator 6, the second directional coupler 8
After the microstrip coupled small-signal of final power amplifying circuit 4, two-way output coupling 9A is completed and defeated via one-to-two power splitter 9
Go out and couple 9B, pulse power source control circuit 5 amplifies with prime signal amplification circuit 2, excitation amplifying circuit 3, final power respectively
Circuit 4 is connected, and prime signal amplification circuit 2 is connected with the first directional coupler 7；The biasing circuit 11 is connected with the first orientation
Coupler 7, the power supply modulator circuit 12 connects biasing circuit 11, pulse power source control circuit 5 and isolator 6 respectively.
External input signal is by the feeding prime of two-way electric tuning attenuation control circuit 1 signal amplification circuit 2 and power point
Signal amplification is carried out with circuit 10, then after overdriving the excitation amplification of amplifying circuit 3, after feeding final power amplifier tube 4 amplifies
Exported through isolator 6.
Second directional coupler 8 is carried out after micro-strip signal coupling by final power amplifying circuit 4, sends into one-to-two power splitter
9 complete two-way output coupling port OUT1 and OUT2.
Pulse power source control circuit 5 amplifies with prime signal amplification circuit 2, excitation amplifying circuit 3, final power respectively
Circuit 4 is connected, and prime signal amplification circuit 2 is connected with the first directional coupler 7.
Two-way electric tuning attenuation control circuit 1 is act as：The outside control 0dB~3dB of one route carries out whole frequency band
Falling tone section is pushed up, is the adjustable attenuation that power amplifier input is carried out by 0~15dB of outside control all the way in addition, the cascade for meeting system is closed
System.
Input detection completes 10dB signals by a directional coupler and coupled, and output coupling power splitter is defeated by directional coupler
Go out and complete two-way output coupling by one-to-two power splitter, the 33dB and 32dB signal degree of coupling is respectively completed, wherein making all the way
Export, exported all the way as power detection for power amplifier detection.
Pulse power source control circuit is opened using the storage capacitor and high-speed MOSFET driver device and MOSFET power of Large Copacity
Close, it is ensured that the requirement to electric power starting and turn-off time, and the power supply reaction time is within 100ns, if in RF excited
Pulse is covered in signal plus with periodic modulation, rise time and fall time reaction speed are in 15ns or so, better than what is proposed before
Switch rise/fall time 300ns index request.
Pulse power signal flow is：Outside synchronizing signal TTL high level input, by high-speed MOSFET driver device
Afterwards, MOSFET power switch grids are triggered, each power amplifier tube of microwave channel is worked；After TTL is in low level, excitation
Triode no signal is amplified, and high-speed MOSFET driver device is not worked, and no high level, MOSFET power switch grid oncontactings are transmitted
Number, each power amplifier tube of microwave channel is in cut-off state, and microwave channel is stopped.
After the pulse power is normally inputted, high-speed MOSFET driver device operating voltage is normal, can is with input signal
System work；When pulse power group is abnormal, protection circuit compares no output voltage limitation pulse signal and low level is presented, it is impossible to
Pulse driver is opened there is provided the voltage to high-speed MOSFET driver device without output, and then is made at final stage MOSFET power switch
In off-state, each power amplifier tube of microwave channel is protected, prevents from not adding grid voltage and damaging device.
The electric tuning of two-way electric tuning attenuation control circuit 1 is divided into two-way control：It is 0dB~3dB signal attenuations all the way,
Used as the compensation circuit in whole frequency range；Another road is 0dB~15dB signal attenuations, is used as the compensation high-power speed of final stage
The compensation of unevenness degree in pipe band is adjusted, the power flatness of whole system bandwidth of operation is met.
Coupling power splitter is the signal input of the quality and prime in order to detect power amplifier, judges whether system is normal
A kind of means of work；Design input signal detection and output is detected, exported wherein exporting after two-way work(point, all the way as defeated
Go out power failure detection, drop detect as output waveform top all the way, complete power amplifier built in self testing function.
The technical scheme disclosed in the utility model embodiment is described in detail above, it is used herein specifically
Embodiment is set forth to the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to
Help understands the principle of the utility model embodiment；It is real according to the utility model simultaneously for those of ordinary skill in the art
Example is applied, be will change in embodiment and application, in summary, this specification content should not be understood
For to limitation of the present utility model.
Claims (1)
1. a kind of X-band solid-state power amplifier, it is characterised in that believe including two-way electric tuning attenuation control circuit (1), prime
Number amplifying circuit (2), excitation amplifying circuit (3), final power amplifying circuit (4), pulse power source control circuit (5), isolator
(6), power distributing circuit (10), biasing circuit (11) and power supply modulator circuit (12)；External radio frequency input signal is by electricity
Tune after balancing control circuit (1) and power distributing circuit (10), feeding prime signal amplification circuit (2) carries out signal amplification,
After excitation amplifying circuit (3) excitation amplification, feeding final power amplifying circuit (4) amplification is exported through isolator (6), and second determines
To coupler (8) after final power amplifying circuit (4) microstrip coupled small-signal, two-way output is completed via one-to-two power splitter
(9A) and output coupling (9B) are coupled, pulse power source control circuit (5) amplifies with prime signal amplification circuit (2), excitation respectively
Circuit (3), final power amplifying circuit (4) connection, prime signal amplification circuit (2) are connected with the first directional coupler (7)；Institute
State biasing circuit (11) and be connected with the first directional coupler (7), the power supply modulator circuit (12) connects biasing circuit respectively
(11), pulse power source control circuit (5) and isolator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132153.0U CN206422751U (en) | 2017-02-14 | 2017-02-14 | A kind of X-band solid-state power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720132153.0U CN206422751U (en) | 2017-02-14 | 2017-02-14 | A kind of X-band solid-state power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206422751U true CN206422751U (en) | 2017-08-18 |
Family
ID=59569820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720132153.0U Active CN206422751U (en) | 2017-02-14 | 2017-02-14 | A kind of X-band solid-state power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206422751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361410A (en) * | 2018-12-13 | 2019-02-19 | 贵州航天电子科技有限公司 | A kind of high power solid state transmitter circuitry |
| CN110850217A (en) * | 2019-11-28 | 2020-02-28 | 中电科仪器仪表有限公司 | Signal receiving channel state self-detection device and method |
-
2017
- 2017-02-14 CN CN201720132153.0U patent/CN206422751U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361410A (en) * | 2018-12-13 | 2019-02-19 | 贵州航天电子科技有限公司 | A kind of high power solid state transmitter circuitry |
| CN109361410B (en) * | 2018-12-13 | 2021-02-26 | 贵州航天电子科技有限公司 | High-power solid-state transmitter circuit |
| CN110850217A (en) * | 2019-11-28 | 2020-02-28 | 中电科仪器仪表有限公司 | Signal receiving channel state self-detection device and method |
| CN110850217B (en) * | 2019-11-28 | 2021-08-17 | 中电科仪器仪表有限公司 | Signal receiving channel state self-detection device and method |
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