CN202818237U - L-band wideband power amplifier - Google Patents
L-band wideband power amplifier Download PDFInfo
- Publication number
- CN202818237U CN202818237U CN 201220339630 CN201220339630U CN202818237U CN 202818237 U CN202818237 U CN 202818237U CN 201220339630 CN201220339630 CN 201220339630 CN 201220339630 U CN201220339630 U CN 201220339630U CN 202818237 U CN202818237 U CN 202818237U
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- amplifier
- input
- stage
- output
- control module
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Abstract
The utility model discloses an L-band wideband power amplifier. The power amplifier comprises an attenuator, a first-stage amplifier, a second-stage amplifier, a third-stage amplifier, a power divider, fourth-stage amplifiers, a combiner, a coupler, a detector and a control module. An input end of the attenuator is connected with a signal input source, and an output end is connected with the first-stage amplifier, the second-stage amplifier, the third-stage amplifier and the power divider successively. The number of the fourth-stage amplifiers is two, input ends of the two fourth-stage amplifiers are connected with the power divider respectively, and output ends are connected with the combiner respectively. An output end of the combiner is connected with an input end of an isolator, an output end of the isolator is connected with an input end of the detector, and an output end of the detector is connected with an input end of the control module which is provided with a memory. The power amplifier is reasonable in design, high in efficiency and reliability and suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of power amplifier, particularly a kind of L-band wideband power amplifer.
Background technology
Power amplifier is the important component part of various transmitting sets, in the front stage circuits of transmitter, the radiofrequency signal power that modulation oscillator circuit produces is very little, need through a series of amplification one buffer stage, interstage amplifier section, final stage power-amplifier stage, obtain after enough radio-frequency powers, just can be fed on the antenna and radiate.Power amplifier is the key component in the communication system; for protecting the stable of whole system; operating accuracy is high; usually require power amplifier to have, the characteristics such as operating temperature range is wide, good stability high in specific frequency range precision, existing power amplifier can not satisfy people's requirement.
Summary of the invention
It is a kind of reasonable in design that the purpose of this utility model just is to provide, and efficient is high, and the high L-band wideband power amplifer of reliability.
To achieve these goals, the technical solution adopted in the utility model is such: L-band wideband power amplifer of the present utility model, comprise attenuator, first order amplifier, second level amplifier, third level amplifier, power splitter, fourth stage amplifier, mixer, coupler, wave detector and control module, the input of attenuator connects signal input sources, output connects first order amplifier successively, second level amplifier, third level amplifier, power splitter, fourth stage amplifier is two, the input of two fourth stage amplifiers connects respectively power splitter, its output connects respectively mixer, the output of mixer is connected with the input of isolator, the output of isolator is connected with the input of wave detector, the output of wave detector is connected with the input of control module, also is provided with a memory on the control module.
As preferably, also be provided with communication serial port on the described control module.
As preferably, described attenuator adopts fixed attenuator.
Compared with prior art, the utility model has the advantage of: this power amplifier is all solid state power amplifier, appropriate design power amplifier link, and optimize link power and the distribution that gains, guarantee high efficiency, the high reliability of complete machine, be easy to produce debugging, of many uses; Power amplifier structure of the present utility model is designed to a box body, and weight and volume is all reduced greatly, is convenient to change, and has improved maintenance speed, thereby guarantees the advance of power amplifier.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, L-band wideband power amplifer of the present utility model, comprise attenuator, first order amplifier, second level amplifier, third level amplifier, power splitter, fourth stage amplifier, mixer, coupler, wave detector and control module, the input of attenuator connects signal input sources, output connects first order amplifier successively, second level amplifier, third level amplifier, power splitter, fourth stage amplifier is two, the input of two fourth stage amplifiers connects respectively power splitter, its output connects respectively mixer, the output of mixer is connected with the input of isolator, the output of isolator is connected with the input of wave detector, the output of wave detector is connected with the input of control module, also be provided with a memory on the control module, also be provided with communication serial port on the described control module, described attenuator adopts fixed attenuator.
Radio-frequency input signals is given first order amplifier through behind the attenuator, first order amplifier output radiofrequency signal enters second level amplifier, second level amplifier is delivered to third level amplifier after radiofrequency signal is amplified, after third level amplifier amplifies radiofrequency signal, signal enters power splitter signal is divided into two, two paths of signals is given respectively fourth stage amplifier, give coupler after synthetic by mixer after fourth stage amplifier amplifies two paths of signals, the effect of coupler is that output signal is coupled into small-signal, amplify through giving control module after the wave detector detection, exporting simultaneously after amplifying, input store stores.Adopt power amplifier of the present utility model, have the control precision height, performance number can accurately be exported, good stability, and high reliability is fit to apply.
Claims (3)
1. L-band wideband power amplifer, it is characterized in that: comprise attenuator, first order amplifier, second level amplifier, third level amplifier, power splitter, fourth stage amplifier, mixer, coupler, wave detector and control module, the input of attenuator connects signal input sources, output connects first order amplifier successively, second level amplifier, third level amplifier, power splitter, fourth stage amplifier is two, the input of two fourth stage amplifiers connects respectively power splitter, its output connects respectively mixer, the output of mixer is connected with the input of isolator, the output of isolator is connected with the input of wave detector, the output of wave detector is connected with the input of control module, also is provided with a memory on the control module.
2. L-band wideband power amplifer according to claim 1 is characterized in that: also be provided with communication serial port on the described control module.
3. L-band wideband power amplifer according to claim 1 is characterized in that: described attenuator employing fixed attenuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339630 CN202818237U (en) | 2012-07-13 | 2012-07-13 | L-band wideband power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339630 CN202818237U (en) | 2012-07-13 | 2012-07-13 | L-band wideband power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202818237U true CN202818237U (en) | 2013-03-20 |
Family
ID=47877043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220339630 Expired - Fee Related CN202818237U (en) | 2012-07-13 | 2012-07-13 | L-band wideband power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202818237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703339A (en) * | 2019-10-30 | 2020-01-17 | 上海太易检测技术有限公司 | Transmission coil driving circuit and method |
| CN111342779A (en) * | 2020-04-14 | 2020-06-26 | 湖北楚航电子科技有限公司 | Multichannel radio frequency power amplifier subassembly |
-
2012
- 2012-07-13 CN CN 201220339630 patent/CN202818237U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703339A (en) * | 2019-10-30 | 2020-01-17 | 上海太易检测技术有限公司 | Transmission coil driving circuit and method |
| CN110703339B (en) * | 2019-10-30 | 2021-07-06 | 上海太易检测技术有限公司 | Transmission coil driving circuit and method |
| CN111342779A (en) * | 2020-04-14 | 2020-06-26 | 湖北楚航电子科技有限公司 | Multichannel radio frequency power amplifier subassembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130713 |