CN202617070U - Dual-output phase-shifting all-solid-state radio frequency power supply - Google Patents
Dual-output phase-shifting all-solid-state radio frequency power supply Download PDFInfo
- Publication number
- CN202617070U CN202617070U CN 201220224231 CN201220224231U CN202617070U CN 202617070 U CN202617070 U CN 202617070U CN 201220224231 CN201220224231 CN 201220224231 CN 201220224231 U CN201220224231 U CN 201220224231U CN 202617070 U CN202617070 U CN 202617070U
- Authority
- CN
- China
- Prior art keywords
- output
- amplifier
- phase
- level
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Amplifiers (AREA)
Abstract
The utility model relates to a radio frequency power supply and particularly relates to a high-power dual-output phase-shifting all-solid-state radio frequency power supply based on a MOS-FET amplifier. The output end of a signal source is connected with a first-level signal amplifier, and the output end of the primary amplifier is connected with a low-pass filter; the output end of the low-pass filter is connected with a power divider for dividing signals into two channels of signal outputs, the two channels of output signals of the power divider are respectively and sequentially connected with a second-level transistor amplifier and a third-level transistor amplifier, and a phase shifter is connected between one channel of signals of the power divider and the second-level amplifier; and output ends of the third-level amplifiers of the two channels of signals are respectively connected with a phase detector, and the phase detectors, a controller, the phase shifter, and the second-level and the third-level amplifiers form a phase closed loop control system. By adopting the structure, the all-solid-state radio frequency power supply of the utility model can provide two outputs with equal power, and the phase difference between the two outputs is adjustable.
Description
Technical field
The utility model relates to a kind of radio-frequency power supply, particularly a kind of powerful dual output phase shift full solid-sate radio frequency power supply based on the MOS-FET amplifier.
Background technology
Along with semicon industry development, increasing to the demand of radio-frequency power supply, high power RF power supply particularly; Traditional electron tube radio-frequency power supply can't satisfy industrial demand; There is following shortcoming in it: efficient is low, and useful life is short, and coefficient of safety is low; Power stability is poor, single channel output.And the solid-state radio-frequency power supply of high power still is the starting stage at home at present, and dual output phase shift Solid State Source is blank especially.The part technical barrier is solution still not yet in effect in practice process.
Summary of the invention
The utility model technical issues that need to address provide constant power dual output and the adjustable full solid-sate radio frequency power supply of dual output phase difference.
For solving above-mentioned technical problem, the dual output phase shift full solid-sate radio frequency power supply of the utility model comprises signal source, filter, power amplifier, combiner circuit and detecting circuit; Said signal source output is connected with first order signal amplifier, and the output of this primary amplifier is connected with low pass filter; The output of said low pass filter is connected with the power splitter that signal is divided into two paths of signals output; The two-way output signal of said power splitter connects the second level and triode transistor amplifier successively, wherein is connected with phase shifter between one road power splitter output signal and the second level amplifier; The output of said two-way output signal the 3rd utmost point amplifier is connected with phase discriminator, and said phase discriminator, controller, phase shifter and the second level, the 3rd utmost point amplifier form the phase place closed-loop control system.
Said phase shifter is the LC phase shifter.
The output of said two-way output signal third level amplifier also is connected with power detector, and said power detector, controller and the second level, third level amplifier form the power closed-loop control system.
Said power detector is a directional coupler.
After adopting said structure, the full solid-sate radio frequency power supply of the utility model can provide the output of two-way constant power, and the phase difference of two-way output is adjustable.Adopt closed-loop control system, safeguard measure timely and effectively is provided, reduce loss, but and the operating state of the every road of independent detection power amplifier, the balance on each road guaranteed.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the structured flowchart of the utility model.
Fig. 2 is the circuit theory diagrams of the utility model phase shifter.
Embodiment
Dual output phase shift full solid-sate radio frequency power supply as shown in Figure 1 comprises signal source, filter, power amplifier, combiner circuit and detecting circuit.Said signal source is that quartz crystal oscillator 1 output is connected with first order crystal amplifier 2, and the output of this primary amplifier is connected with low pass filter 3.The output of said low pass filter 3 is connected with the power splitter 4 that signal is divided into two paths of signals output; The two-way output signal of said power splitter 4 connects the second level and triode transistor amplifier successively, wherein is connected with phase shifter 10 between one road power splitter output signal and the second level amplifying circuit 5.The output of said two-way output signal the 3rd utmost point amplifier 6 is connected with phase discriminator 9, and said phase discriminator 9, controller 8, phase shifter 10 and the second level, the 3rd utmost point amplifier form the phase place closed-loop control system.Detect the phase place of two paths of signals output through phase discriminator 9, regulate the phase difference of two paths of signals output, make two-way output phase accurate and adjustable through controller 8 and phase shifter 10.
As shown in Figure 2; Said phase shifter is the LC phase shifter; Said LC phase shifter is two inductance L 1 and two closed loops that inductance L 2 is connected to form, and one of them inductance L 1 two ends connects capacitor C 1 ground connection respectively, and is connected with input 13 and output 14 respectively at the two ends of this inductance L 1.The two ends of said another inductance L 1 connect variable capacitance C2 ground connection respectively.Signal is from input 13 inputs, through exporting from output 14 behind the lc circuit.This phase shifter can be so that the single channel phase place be adjustable at 0 to 180 degree.
The output of said two-way output signal the 3rd utmost point amplifier 6 also is connected with power detector 7, and said power detector 7, controller 8 and the second level, the 3rd utmost point amplifying circuit form the power closed-loop control system.Power detector 7 detects the performance number of two-way output respectively, regulates making the power of two-way output equate through controller 8.
Said power detector 7 is a directional coupler.
Certainly, the phase shifter of the utility model also can adopt other phase shifters that is suitable for, and like electronic phase shifter, such conversion all drops within the scope of the utility model protection.
Claims (4)
1. a dual output phase shift full solid-sate radio frequency power supply comprises signal source, filter, power amplifier, combiner circuit and detecting circuit; Said signal source output is connected with first order signal amplifier, and the output of this primary amplifier is connected with low pass filter; It is characterized in that: the output of said low pass filter is connected with the power splitter that signal is divided into two-way output; The two-way output signal of said power splitter connects the second level and triode transistor amplifier successively, wherein is connected with phase shifter between one road power splitter output signal and the second level amplifier; The output of said two-way output signal the 3rd utmost point amplifier is connected with phase discriminator, and said phase discriminator, controller, phase shifter and the second level, the 3rd utmost point amplifier form the phase place closed-loop control system.
2. according to the described a kind of dual output phase shift full solid-sate radio frequency power supply of claim 1, it is characterized in that: said phase shifter is the LC phase shifter.
3. according to the described a kind of dual output phase shift full solid-sate radio frequency power supply of claim 1; It is characterized in that: the output of said two-way output signal the 3rd utmost point amplifier also is connected with power detector, and said power detector, controller and the second level, the 3rd utmost point amplifier form the power closed-loop control system.
4. according to the described a kind of dual output phase shift full solid-sate radio frequency power supply of claim 3, it is characterized in that: said power detector is a directional coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224231 CN202617070U (en) | 2012-05-17 | 2012-05-17 | Dual-output phase-shifting all-solid-state radio frequency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224231 CN202617070U (en) | 2012-05-17 | 2012-05-17 | Dual-output phase-shifting all-solid-state radio frequency power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202617070U true CN202617070U (en) | 2012-12-19 |
Family
ID=47350738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220224231 Expired - Lifetime CN202617070U (en) | 2012-05-17 | 2012-05-17 | Dual-output phase-shifting all-solid-state radio frequency power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202617070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207627A (en) * | 2015-09-10 | 2015-12-30 | 鑫高益医疗设备股份有限公司 | Phase calibration structure of magnetic resonance radio frequency power amplifier |
| CN109975719A (en) * | 2017-12-22 | 2019-07-05 | 北京北广科技股份有限公司 | A kind of sampling apparatus with shielding case of radio-frequency power supply |
| CN110380695A (en) * | 2018-04-13 | 2019-10-25 | 中国科学院微电子研究所 | Auto-excitation type full solid-sate radio frequency power supply |
-
2012
- 2012-05-17 CN CN 201220224231 patent/CN202617070U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207627A (en) * | 2015-09-10 | 2015-12-30 | 鑫高益医疗设备股份有限公司 | Phase calibration structure of magnetic resonance radio frequency power amplifier |
| CN109975719A (en) * | 2017-12-22 | 2019-07-05 | 北京北广科技股份有限公司 | A kind of sampling apparatus with shielding case of radio-frequency power supply |
| CN110380695A (en) * | 2018-04-13 | 2019-10-25 | 中国科学院微电子研究所 | Auto-excitation type full solid-sate radio frequency power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102156139B (en) | Method and system for measuring passive intermodulation generation point of microwave device by using electromagnetic wave phase | |
| CN103134983B (en) | Based on Terahertz related detection system and the method for single frequency mixer | |
| CN102355198B (en) | Multi-path asymmetrical Doherty power amplifier | |
| CN202617070U (en) | Dual-output phase-shifting all-solid-state radio frequency power supply | |
| CN203278749U (en) | Low noise amplifier with automatic level control circuit | |
| WO2008111460A1 (en) | Transmission path microwave device | |
| CN206542378U (en) | A kind of frequency mixer for broadband low intermediate frequency receiver | |
| CN204068931U (en) | Possesses the 200W High Efficiency Solid-State microwave source of Automatic adjusument function | |
| CN201498355U (en) | Analog signal processing device of electronic current transformer | |
| WO2021088415A1 (en) | Electric vehicle wireless charging phase detection circuit for realizing frequency tracking | |
| CN202334440U (en) | Chopped wave amplification circuit and multistage amplification system | |
| CN103036581B (en) | Superregenerative receiver | |
| CN104597955B (en) | The adjusting apparatus of two-way radio frequency power supply and method | |
| CN203968061U (en) | Precision rectifying type phase-sensitive detection circuit | |
| CN103354444A (en) | Low-power-consumption variable gain amplifier | |
| CN203071878U (en) | Wideband direct-current amplifier based on voltage-controlled operational amplifier | |
| CN103151993A (en) | Precision alternating current amplifier | |
| CN102355205B (en) | Solid-state radio frequency generator | |
| CN102497235B (en) | Wide dynamic range radio frequency power detection apparatus and detection mode thereof | |
| CN104122456A (en) | Variable step size monostable stochastic resonance weak signal detection method | |
| CN203166873U (en) | Atom frequency scale | |
| CN203193573U (en) | Precise alternating current amplifier | |
| CN104460817A (en) | High-stability power control circuit and method for common-mode temperature compensation demodulation | |
| CN204462919U (en) | The adjusting gear of two-way radio frequency power supply | |
| WO2013173489A3 (en) | Integrated technique for enhanced power amplifier forward power detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |
|
| CX01 | Expiry of patent term |