CN202634369U - X-waveband solid state power amplifier - Google Patents
X-waveband solid state power amplifier Download PDFInfo
- Publication number
- CN202634369U CN202634369U CN 201220202890 CN201220202890U CN202634369U CN 202634369 U CN202634369 U CN 202634369U CN 201220202890 CN201220202890 CN 201220202890 CN 201220202890 U CN201220202890 U CN 201220202890U CN 202634369 U CN202634369 U CN 202634369U
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- 239000007787 solid Substances 0.000 title abstract 4
- 230000003321 amplification Effects 0.000 claims abstract description 41
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 41
- 230000005284 excitation Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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- Microwave Amplifiers (AREA)
Abstract
The utility model relates to an X-waveband solid state power amplifier, which is characterized in that an input signal is transmitted to a head signal amplification circuit through two ways of electric tuning attenuation control circuits so as to amplify the signal, after excitation and amplification through an excitation amplification circuit, the signal is amplified in a final power amplification circuit and is output through an isolator, after a tail power amplification circuit micro-strip is coupled with a small signal, the small signal is input into a second directional coupler and is output through a one-in-two power divider, a pulse power control circuit is respectively connected with the head signal amplification circuit, the excitation amplification circuit and the final power amplification circuit, and the head signal amplification circuit is connected with a first directional coupler. The X-waveband solid state power amplifier, provided by the utility model, has the characteristics of small volume, small current consumption, multiple functions, high reliability and the like, and is suitable for high-power detection of a radar system, furthermore, the X-waveband solid state power amplifier has the advantages of small current power consumption, high function integration level, and the like, and is widely applied to onboard, ship-based, vehicle-mounted and missile-borne military and civil devices.
Description
Technical field
The utility model relates to a kind of X-band solid-state power amplifier.
Background technology
Existing similar technology shows mainly that volume is big, heat dissipation, function singleness; Satisfied not the requirement of party in request; Similar power amplifier roughly flow process is sent into the power amplifier prime by: external rf signal and is amplified and send into the further amplifying power of drive(r) stage again after being amplified to certain power to the small-signal signal; Send into final stage power amplifier then and carry out the large-signal of power amplification, output after isolator carries out the standing wave coupling to regulation; General power amplifier has only simple signal amplification, and except volume is big, current dissipation is severe, and function singleness is difficult to satisfy the whole requirement of system.
The utility model content
The technical problem that the utility model solved provides a kind of high-power detection that is applicable to radar system, has little current power dissipation, the X-band solid-state power amplifier of functional integration advantages of higher.
For solving above-mentioned technical problem, the technical scheme that the utility model is taked:
A kind of X-band solid-state power amplifier; Its special character is: comprise two-way electric tuning attenuation control circuit, prime signal amplification circuit, excitation amplifying circuit, final stage power amplification circuit, pulse power source control circuit, isolator; External input signal is sent into the prime signal amplification circuit through two-way electric tuning attenuation control circuit and is carried out the signal amplification; After excitation amplifying circuit excitation amplification; Send into the final stage power amplification circuit and amplify through isolator output, input second directional coupler is accomplished output via the one-to-two power splitter behind the microstrip coupled small-signal of final stage power amplification circuit; The pulse power source control circuit is connected with prime signal amplification circuit, excitation amplifying circuit, final stage power amplification circuit respectively, and the prime signal amplification circuit is connected with first directional coupler.
Compared with prior art; The utlity model has that volume is little, power consumption stream is little, function is many; Characteristics such as reliability height are applicable to the high-power detection of radar system, have little current power dissipation; The functional integration advantages of higher can be widely used in the military-civil equipments such as airborne, carrier-borne, vehicle-mounted and missile-borne.
Description of drawings
Fig. 1 is the connection block diagram of the utility model;
Fig. 2 is that the microwave channel and the power supply of the utility model connects block diagram;
Fig. 3 is the circuit diagram of the pulse power source control circuit of the utility model;
Fig. 4 is the circuit diagram of the electric tuning attenuation control circuit of the utility model;
Fig. 5 is the power amplifier inner couplings power divider circuit figure of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Referring to Fig. 1, the utility model comprises two-way electric tuning attenuation control circuit 1, prime signal amplification circuit 2, excitation amplifying circuit 3, final stage power amplification circuit 4, pulse power source control circuit 5, isolator 6,
External input signal is sent into prime signal amplification circuit 2 through two-way electric tuning attenuation control circuit 1 and is carried out the signal amplification; Again after 3 excitations of blasting amplifying circuit are amplified; Sending into final stage power amplification circuit 4 amplifies through isolator 6 outputs; Input second directional coupler 8 behind the final stage power amplification circuit 4 microstrip coupled small-signals is accomplished two-way output (coupling port OUT1 and coupling port OUT2) via one-to-two power splitter 9
Pulse power source control circuit 5 is connected with prime signal amplification circuit 2, excitation amplifying circuit 3, final stage power amplification circuit 4 respectively, and prime signal amplification circuit 2 is connected with first directional coupler 7.
Acting as of electric tuning attenuation control circuit 1: a route external control 0dB～3dB carries out the top falling tone joint of whole frequency band; Other one the tunnel is the decay control of being carried out the power amplifier input by external control 0～15dB; Satisfy the cascade connection of radar system, input detects by a directional coupler and accomplishes the coupling of 10dB signal, and output coupling power splitter is accomplished two-way output coupling by directional coupler output through the one-to-two power splitter; Accomplish the signal degree of coupling of 33dB and 32dB respectively; Wherein one the tunnel as power amplifier detection output, and one the tunnel exports as power detection, referring to Fig. 5.
Referring to Fig. 2, Fig. 3; The pulse power source control circuit adopts jumbo storage capacitor and high speed mosfet driver and MOSFET power switch; Guaranteed requirement, and the power supply reaction time is in 100ns, if in rf excitation signal, add with the pulse of periodic modulation cover to electric power starting and turn-off time; Rise time and fall time reaction speed about 15ns, the index request of switch 300ns rising/fall time that proposes before being superior to.
Pulse power signal flow is: outside synchronizing signal TTL high level input effectively behind the entering high speed mosfet driver, is opened MOSFET power switch grid, makes each power amplifier tube work of microwave channel; After TTL was low level, the driver triode no signal was amplified, and the high speed mosfet driver is not worked, no high level, and MOSFET power switch grid does not have drive signal, and each power amplifier tube of microwave channel is in cut-off state, and microwave channel quits work.
After the normal input of the pulse power, high speed mosfet driver operating voltage is normal, can carry out system works by input signal; When operate outside power supply group undesired; Protective circuit is no-output voltage relatively, offers the voltage no-output of high speed mosfet driver, and then make final stage MOSFET power switch be in off-state; Protection microwave channel each power amplifier tube prevents not add grid voltage and damages device.
Referring to Fig. 4, the electric tuning of two-way electric tuning attenuation control circuit 1 is divided into two-way control: the one tunnel is 0dB～3dB signal attenuation, uses as the compensating circuit in the whole frequency; Another road is 0dB～15dB signal attenuation, and the power flatness of whole radar bandwidth of operation is satisfied in the compensation of uneven degree in the final stage high-power klystron band by way of compensation.
The coupling power splitter is the signal input for the quality of detection power amplifier and prime; Judge whether a kind of means of operate as normal of system; Be designed to input signal detection and detect with output, wherein export by the two-way merit and divide back output, the one tunnel as the power output fault detect; One the tunnel falls detection as output waveform top, accomplishes power amplifier built in self testing function.
The coupling power splitter is made up of with one-to-two power splitter 9 directional coupler 7 and the directional coupler 8 of detection signal.
Signalling channel is the core that whole signal amplifies, and it is made up of prime small signal amplifier, driving amplifier and final power amplifier, and the input power of each grade is determined by itself amplifier gain and power output.
Claims (1)
1. X-band solid-state power amplifier; Its special character is: comprise two-way electric tuning attenuation control circuit (1), prime signal amplification circuit (2), excitation amplifying circuit (3), final stage power amplification circuit (4), pulse power source control circuit (5), isolator (6); External input signal is sent into prime signal amplification circuit (2) through two-way electric tuning attenuation control circuit (1) and is carried out the signal amplification; After excitation amplifying circuit (3) excitation amplification; Sending into final stage power amplification circuit (4) amplification exports through isolator (6); Input second directional coupler (8) behind the microstrip coupled small-signal of final stage power amplification circuit (4); Accomplish output via one-to-two power splitter (9), pulse power source control circuit (5) is connected with prime signal amplification circuit (2), excitation amplifying circuit (3), final stage power amplification circuit (4) respectively, and prime signal amplification circuit (2) is connected with first directional coupler (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220202890 CN202634369U (en) | 2012-05-08 | 2012-05-08 | X-waveband solid state power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220202890 CN202634369U (en) | 2012-05-08 | 2012-05-08 | X-waveband solid state power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202634369U true CN202634369U (en) | 2012-12-26 |
Family
ID=47387510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220202890 Expired - Fee Related CN202634369U (en) | 2012-05-08 | 2012-05-08 | X-waveband solid state power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202634369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917470A (en) * | 2015-06-23 | 2015-09-16 | 西安空间无线电技术研究所 | Broadband high-power power amplifier module |
-
2012
- 2012-05-08 CN CN 201220202890 patent/CN202634369U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917470A (en) * | 2015-06-23 | 2015-09-16 | 西安空间无线电技术研究所 | Broadband high-power power amplifier module |
| CN104917470B (en) * | 2015-06-23 | 2020-12-18 | 西安空间无线电技术研究所 | Broadband high-power amplifier module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model |
Correction item: Applicant name Correct: Dongfang Huatong Science and Technology Co., Ltd. False: Shaanxi Dongfang Huatong Microwave Co., Ltd. Number: 52 Page: The title page Volume: 28 |
|
| CU03 | Publication of corrected utility model |
Correction item: Applicant name Correct: Dongfang Huatong Science and Technology Co., Ltd. False: Shaanxi Dongfang Huatong Microwave Co., Ltd. Number: 52 Volume: 28 |
|
| ERR | Gazette correction |
Free format text: CORRECT: NAME OF APPLICANT; FROM: DONGFANG HUATONG MICROWAVE CO., LTD. TO: DONGFANG HUATONG SCIENCE AND TECHNOLOGY CO., LTD. |
|
| RECT | Rectification | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Improved structure of X-band solid-state power amplifier Effective date of registration: 20160107 Granted publication date: 20121226 Pledgee: Xi'an Taixin financing Company limited by guarantee Pledgor: DONGFANG HUATONG SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: 2016980000002 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170222 Granted publication date: 20121226 Pledgee: Xi'an Taixin financing Company limited by guarantee Pledgor: DONGFANG HUATONG SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: 2016980000002 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Improved structure of X-band solid-state power amplifier Effective date of registration: 20170704 Granted publication date: 20121226 Pledgee: Industrial Commercial Bank of China Ltd. Xi'an Hansen Village Branch Pledgor: DONGFANG HUATONG SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: 2017990000569 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20180508 |