CN202261172U - Microwave power amplifier intelligent output line configuration - Google Patents
Microwave power amplifier intelligent output line configuration Download PDFInfo
- Publication number
- CN202261172U CN202261172U CN2011203802133U CN201120380213U CN202261172U CN 202261172 U CN202261172 U CN 202261172U CN 2011203802133 U CN2011203802133 U CN 2011203802133U CN 201120380213 U CN201120380213 U CN 201120380213U CN 202261172 U CN202261172 U CN 202261172U
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- power amplifier
- coupler
- microwave power
- output
- wave detector
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Abstract
The utility model relates to a microwave power amplifier intelligent output line configuration. A radio frequency input is connected with a attenuator, one end of the attenuator is connected with a micro controller unit, the other end of the attenuator is connected with a power amplifier, the other end of the power amplifier is connected with a coupler 1, one end of the coupler 1 is connected with a circulator, the other end of the coupler 1 is connected with a detector, one end of the circulator is connected with a radio frequency output, the other end of the circulator is connected with a coupler 2, the other end of the coupler 2 is respectively connected with a load and a detector 2, the other end of the micro controller unit is respectively connected with a switch, an external interface, the detector 1 and the detector 2, and the other end of the switch is connected with a direct current input. The microwave power amplifier intelligent output line configuration has accurate output control function, accurate load judgment function, effective reflection protection function, the function of improving the service life and the function of reducing damage. With the adoption of the microwave power amplifier intelligent output line configuration, a microwave power amplifier can be in the best working state.
Description
Technical field
The utility model belongs to the communications field, is specifically related to the line configuring of a kind of microwave power amplifier intelligence output of repeater in the GSM.
Background technology
Along with the fast development of mobile communication, to the intelligent work in the repeater in the GSM require increasingly high.Microwave power amplifier intelligence export technique then is the repeater long-term stable operation that guarantees in the GSM, improves the key technology of device intelligence work.
The repeater belongs to a kind of application of moving communicating field relaying technique, is occupying very important effect in the wireless communication field at present, and its basic function is exactly a radio frequency signal amplifiers.The repeater can be divided into down link and up link on function, down link is that the repeater obtains descending input signal from communication base station, after input signal is amplified through microwave power amplifier, is transmitted into the overlay area, forms the process from the base station to the terminal; Up link then is the signal that the communication equipment of overlay area is accepted the user, after it is handled through microwave power amplifier, signal forwarding to corresponding base station, is formed the process from terminal to base station.Link forms complete duplex communication loop for base station, repeater, terminal etc. up and down, guarantees the reliable application of relaying technique in the field of covering.All need microwave power amplifier up and down in the link, microwave power amplifier is a requisite part in the repeater, guarantee repeater high stable and efficiency operation, and microwave power amplifier intelligence export technique just becomes key.
Microwave power amplifier only amplifies input signal, and the output signal can change along with the variation of input signal, and this just needs a power output control.Under the unmatched situation of load, the signal reflex of output is to microwave power amplifier, and long-time reflection can make the microwave power amplifier life-span descend, even possibly cause the damage of microwave power amplifier.This shows, export control technology accurately and good load matched technology has very important effect to microwave power amplifier.
What traditional microwave power amplifier used is automated power output control; It can only control the power output size consistently; Whether output loading mated can not do corresponding judgment, size that more can not corresponding adjustment power output, this just causes microwave power amplifier power output adjusting range little; Can not in time make corresponding judgment to the output loading coupling, can not be worked under high efficiency and high stable situation in the repeater.
Summary of the invention
In order to overcome the shortcoming of above-mentioned technology; The task of the utility model provides the line configuring of a kind of microwave power amplifier intelligence output; It is little that it has solved traditional microwave power amplifier power output adjusting range; Corresponding judgment can not in time be made, the problem that can not be worked in the repeater to the output loading coupling under high efficiency and high stable situation.
The technical solution of the utility model is following:
The line configuring of a kind of microwave power amplifier intelligence output, it comprises radio frequency input (RFin), attenuator (ATT), power amplifier (PA), switch (S), direct current input (DCin), microprocessor (MCU), coupler 1 (Co1), wave detector 1 (D1), wave detector 2 (D2), circulator (Ci), load (L), coupler 2 (Co2), radio frequency output (RFout) and external interface (E);
Wherein, the radio frequency input connects attenuator, attenuator one termination microprocessor; Another termination power amplifier of attenuator, another termination coupler 1 of power amplifier, coupler 1 one termination circulators; Coupler 1 another termination wave detector 1, the output of circulator one termination radio frequency, another termination coupler 2 of circulator; Coupler 2 other ends connect load and wave detector 2 respectively, and the microprocessor other end connects switch, external interface, wave detector 1, wave detector 2 respectively, another termination direct current input of switch.
Adopt the line configuring of the microwave power amplifier intelligence output of the utility model, radiofrequency signal is imported after the overdamping device is sent into the amplifier amplification, again through coupler 1 and circulator, and output at last.1 pair of output of coupler signal sampling is sent into wave detector 1, and wave detector 1 is given microprocessor processes with the signal after the detection; Circulator is sent into load to the signal of radiation after through coupler 2, and wave detector 2 is sent in 2 pairs of reflected signals samplings of coupler, and wave detector 2 is sent into microprocessor processes to the signal after the detection; The two paths of signals that microprocessor is sent here wave detector 1 and wave detector 2 is handled, and the attenuation state of control attenuator reaches the big or small purpose of control power output; Microprocessor is gone back the operating state of control switch simultaneously, and after the reflected signal over range, microprocessor sends the instruction of off switch, and power amplifier cuts out, and reaches the purpose of protection power amplifier.
Microprocessor is monitored the microwave power amplifier operating state in real time; Under the different electric subenvironment, according to the requirement of setting, the operating state of Intelligence Selection microwave power amplifier; Power output, gain are automatically adjusted, make microwave power amplifier be in optimum Working.
The line configuring of the microwave power amplifier intelligence output of the utility model has following five functional:
1, accurate output control function.Microprocessor is sent in the detection of sampling to the output signal; Microprocessor is sent in the detection of sampling to reflected signal; Microprocessor compares reflected signal and output signal, calculate, and the instruction of output control attenuator realizes the control output signal signal that power output varies in size under the different loads situation; Form closed loop circuit, make the output signal more accurate.
2, load judgment function accurately.Microprocessor is sent in the detection of sampling to reflected signal, and microprocessor can accurately be judged power amplifier output port load matched situation with reflected signal and output signal contrast, calculating.
3, effective reflection protection function.Microprocessor judges that to reflected signal after the reflected signal over range, microprocessor sends the instruction of off switch, realizes closing of power amplifier, plays the effect of protection.
4, improve the function in useful life.After load is judged, export corresponding signal, make power amplifier always work in optimum state, avoid non-normal working, effectively improve useful life.
5, reduce the damage function.Reflected signal is judged, closed power amplifier after reflected signal goes beyond the scope voluntarily, avoid, reduce effectively and damage because of the excessive damage power amplifier of reflected signal.
Description of drawings
Fig. 1 is the wiring layout of a kind of microwave power amplifier intelligence output of the utility model.
Mark in accompanying drawing and the literary composition:
Rfin is radio frequency input (Radiofrequency), and RFout is radio frequency output (Radiofrequency), and ATT is attenuator (Attenuation); PA is power amplifier (Power Amplifier), and Co is coupler (Coupler), and Ci is circulator (Circulator); D is wave detector (Detector); MCU is microprocessor (Micro Controller Unit), and S is switch (switch), and DCin is direct current input (Direct Current); L is load (load), and E is external interface (External Interface).
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Referring to Fig. 1; The utility model provides the line configuring of a kind of microwave power amplifier intelligence output, and it mainly is made up of radio frequency input RFin, attenuator ATT, power amplifier PA, switch S, direct current input DCin, microprocessor MCU, coupler 1 Co1, wave detector 1 D1, wave detector 2 D2, circulator Ci, load L, coupler 2 Co2, radio frequency output RFout and external interface E.
Wherein, the radio frequency input connects attenuator, attenuator one termination microprocessor; Another termination power amplifier of attenuator, another termination coupler 1 of power amplifier, coupler 1 one termination circulators; Coupler 1 another termination wave detector 1, the output of circulator one termination radio frequency, another termination coupler 2 of circulator; Coupler 2 other ends connect load and wave detector 2 respectively, and the microprocessor other end connects switch, external interface, wave detector 1, wave detector 2 respectively, another termination direct current input of switch.
The operation principle of the line configuring of the microwave power amplifier intelligence output of the utility model is following:
Radio-frequency input signals is divided into two-way through behind the attenuator, and one road signal is sent into power amplifier, and the signal after the amplification is sent into coupler, and signal after coupling is sent into circulator and microprocessor; Another road signal is sent into microprocessor, sends into switch to assign the instruction of power amplifier opening and closing through the signal of microprocessor processes, and the signal after the microprocessor processes is sent into wave detector and coupler simultaneously, and radiofrequency signal is exported through load.
Adopt the line configuring of the microwave power amplifier intelligence output of the utility model, radiofrequency signal is imported after the overdamping device is sent into the amplifier amplification, again through coupler 1 and circulator, and output at last.1 pair of output of coupler signal sampling is sent into wave detector 1, and wave detector 1 is given microprocessor processes with the signal after the detection; Circulator is sent into load to the signal of radiation after through coupler 2, and wave detector 2 is sent in 2 pairs of reflected signals samplings of coupler, and wave detector 2 is sent into microprocessor processes to the signal after the detection; The two paths of signals that microprocessor is sent here wave detector 1 and wave detector 2 is handled, and the attenuation state of control attenuator reaches the big or small purpose of control power output; Microprocessor is gone back the operating state of control switch simultaneously, and after the reflected signal over range, microprocessor sends the instruction of off switch, and power amplifier cuts out, and reaches the purpose of protection power amplifier.Microprocessor is monitored the microwave power amplifier operating state in real time; Under the different electric subenvironment, according to the requirement of setting, the operating state of Intelligence Selection microwave power amplifier; Power output, gain are automatically adjusted, make microwave power amplifier be in optimum Working.
Certainly; Those skilled in the art in the present technique field will be appreciated that; The foregoing description only is to be used for explaining the utility model; And be not with the qualification of doing the utility model, as long as in the connotation scope of the utility model, all will drop in the scope of the utility model claim the variation of the foregoing description, modification etc.
Claims (1)
1. the line configuring of microwave power amplifier intelligence output, it is characterized in that: it comprises radio frequency input (RFin), attenuator (ATT), power amplifier (PA), switch (S), direct current input (DCin), microprocessor (MCU), coupler 1 (Co1), wave detector 1 (D1), wave detector 2 (D2), circulator (Ci), load (L), coupler 2 (Co2), radio frequency output (RFout) and external interface (E);
Wherein, the radio frequency input connects attenuator, attenuator one termination microprocessor; Another termination power amplifier of attenuator, another termination coupler 1 of power amplifier, coupler 1 one termination circulators; Coupler 1 another termination wave detector 1, the output of circulator one termination radio frequency, another termination coupler 2 of circulator; Coupler 2 other ends connect load and wave detector 2 respectively, and the microprocessor other end connects switch, external interface, wave detector 1, wave detector 2 respectively, another termination direct current input of switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203802133U CN202261172U (en) | 2011-10-10 | 2011-10-10 | Microwave power amplifier intelligent output line configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203802133U CN202261172U (en) | 2011-10-10 | 2011-10-10 | Microwave power amplifier intelligent output line configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261172U true CN202261172U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203802133U Expired - Fee Related CN202261172U (en) | 2011-10-10 | 2011-10-10 | Microwave power amplifier intelligent output line configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202261172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597106A (en) * | 2016-11-21 | 2017-04-26 | 电子科技大学 | Standing wave coefficient testing device and method of output port in working state of travelling wave tube |
| CN110830070A (en) * | 2019-11-12 | 2020-02-21 | 天津津航计算技术研究所 | Radio frequency front end standing wave protection circuit |
-
2011
- 2011-10-10 CN CN2011203802133U patent/CN202261172U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597106A (en) * | 2016-11-21 | 2017-04-26 | 电子科技大学 | Standing wave coefficient testing device and method of output port in working state of travelling wave tube |
| CN106597106B (en) * | 2016-11-21 | 2019-10-01 | 电子科技大学 | Output port standing-wave ratio test device and method under a kind of travelling-wave tubes working condition |
| CN110830070A (en) * | 2019-11-12 | 2020-02-21 | 天津津航计算技术研究所 | Radio frequency front end standing wave protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI DONGZHOU LUODUN COMMUNICATION CO., LTD. Free format text: FORMER OWNER: SHANGHAI DONGZHOU LUODUN TELECOM TECHNOLOGY CO., LTD. Effective date: 20121024 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121024 Address after: Shanghai City, Putuo District Xikang Road 200060 No. 1255 14 floor Patentee after: SHANGHAI DONGZHOU LAWTON TELECOM CO., LTD. Address before: Xikang Road 200060 Shanghai city Putuo District No. 1255, 14, 15 Floor Patentee before: Shanghai Dongzhou Luodun Telecom Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20151010 |
|
| EXPY | Termination of patent right or utility model |