CN202550967U - L-waveband 50W power amplifier - Google Patents
L-waveband 50W power amplifier Download PDFInfo
- Publication number
- CN202550967U CN202550967U CN2012201827198U CN201220182719U CN202550967U CN 202550967 U CN202550967 U CN 202550967U CN 2012201827198 U CN2012201827198 U CN 2012201827198U CN 201220182719 U CN201220182719 U CN 201220182719U CN 202550967 U CN202550967 U CN 202550967U
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- amplifier
- power
- waveband
- stage
- temperature compensation
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- Expired - Fee Related
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Abstract
The utility model discloses an L-waveband 50W power amplifier. The L-waveband 50W power amplifier comprises four stage amplifiers, an amplitude limiter, a temperature compensation attenuator and an isolator, wherein a first stage amplifier is connected with an input terminal, the input terminal of the amplitude limiter is connected with the output terminal of the first stage amplifier, the output terminal of the amplitude limiter is connected with the input terminal of the temperature compensation attenuator, the output terminal of the temperature compensation attenuator is connected with a second stage amplifier, the second stage amplifier, a third stage amplifier and a fourth stage amplifier are sequentially connected with one another, and the output terminal of the fourth stage amplifier is connected with the isolator. The L-waveband 50W power amplifier has the advantages that the L-waveband 50W power amplifier is an all-solid-state power amplifier, the advanced LDMOS (Laterally Diffused Metal Oxide Semiconductor) RF (Radio Frequency) power transistor technology is adopted, the power amplification link is reasonably designed, the link power and gain distribution are optimized, high efficiency and high reliability are guaranteed for the whole amplifier, and the requirements on volume and weight are met, so that the advanced nature of power amplification is guaranteed.
Description
Technical field
The utility model relates to a kind of power amplifier, particularly a kind of L-band 50W power amplifier.
Background technology
At radio communication field; No matter be the transmitter of what form; We can both see that radio-frequency power amplifier playing the part of important role at whole radio communication field; The main effect of radio-frequency power amplifier is on tranmitting frequency, and low level signal is amplified to the desired power level of long-distance transmissions.Existing power amplifier can not satisfy user's demand.
Summary of the invention
It is a kind of reasonable in design that the purpose of the utility model just is to provide, and efficient is high, and the high L-band 50W power amplifier of reliability.
To achieve these goals; The technical scheme that the utility model adopts is such: the L-band 50W power amplifier of the utility model; Comprise level Four amplifier, an amplitude limiter, a temperature compensation attenuator and an isolator, first order amplifier links to each other with input, and the input of amplitude limiter links to each other with the output of first order amplifier; The output of amplitude limiter links to each other with the input of temperature compensation attenuator; The output of temperature compensation attenuator links to each other with second level amplifier, and second level amplifier, the 3rd utmost point amplifier are connected with fourth stage amplifier successively, and the output of fourth stage amplifier links to each other with isolator.
As preferably, said level Four amplifier is LDMOS radio-frequency power pipe.
Compared with prior art; The advantage of the utility model is: this power amplifier is all solid state power amplifier, adopts advanced LDMOS radio-frequency power Manifold technology, appropriate design power amplifier link; And optimization link power and gain allocation; Guarantee high efficiency, the high reliability of complete machine, and satisfy the volume and weight requirement, thus the advance of assurance power amplifier.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
To combine accompanying drawing that the utility model is described further below.
Referring to Fig. 1; The L-band 50W power amplifier of the utility model comprises level Four amplifier, an amplitude limiter, a temperature compensation attenuator and an isolator, and first order amplifier links to each other with input; The input of amplitude limiter links to each other with the output of first order amplifier; The output of amplitude limiter links to each other with the input of temperature compensation attenuator, and the output of temperature compensation attenuator links to each other with second level amplifier, and second level amplifier, the 3rd utmost point amplifier are connected with fourth stage amplifier successively; The output of fourth stage amplifier links to each other with isolator, and said level Four amplifier is LDMOS radio-frequency power pipe.
First order amplifier, amplitude limiter, temperature compensation attenuator, second level amplifier gain are greater than 20dB, and third level amplifier gain is greater than 16dB, and fourth stage amplifier gain is greater than 15dB, and whole link gain is greater than 47dB; Output level behind the amplitude limiter amplitude limit is 2dBm, and the power supply of amplitude limiter is controlled by the external radio frequency break-make, and high level is opened, and low level is turn-offed; Power amplifier module has temperature protection function, and temperature is arranged on 90 ℃, and with the protection power tube, isolator improves the anti-mismatch capability of power amplifier, and coupled signal provides power state signal after detection.
Claims (2)
1. L-band 50W power amplifier; It is characterized in that: comprise level Four amplifier, an amplitude limiter, a temperature compensation attenuator and an isolator; First order amplifier links to each other with input; The input of amplitude limiter links to each other with the output of first order amplifier, and the output of amplitude limiter links to each other with the input of temperature compensation attenuator, and the output of temperature compensation attenuator links to each other with second level amplifier; Second level amplifier, the 3rd utmost point amplifier are connected with fourth stage amplifier successively, and the output of fourth stage amplifier links to each other with isolator.
2. L-band 50W power amplifier according to claim 1 is characterized in that: said level Four amplifier is LDMOS radio-frequency power pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201827198U CN202550967U (en) | 2012-04-26 | 2012-04-26 | L-waveband 50W power amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201827198U CN202550967U (en) | 2012-04-26 | 2012-04-26 | L-waveband 50W power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550967U true CN202550967U (en) | 2012-11-21 |
Family
ID=47171527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201827198U Expired - Fee Related CN202550967U (en) | 2012-04-26 | 2012-04-26 | L-waveband 50W power amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550967U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734647A (en) * | 2013-12-18 | 2015-06-24 | 中兴通讯股份有限公司 | Amplifier system and device |
| CN106026933A (en) * | 2016-05-12 | 2016-10-12 | 成都九洲迪飞科技有限责任公司 | High-efficiency power amplification module based on ADS load pull |
| 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
- 2012-04-26 CN CN2012201827198U patent/CN202550967U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734647A (en) * | 2013-12-18 | 2015-06-24 | 中兴通讯股份有限公司 | Amplifier system and device |
| CN104734647B (en) * | 2013-12-18 | 2018-07-17 | 中兴通讯股份有限公司 | A kind of amplifier system and communication equipment |
| CN106026933A (en) * | 2016-05-12 | 2016-10-12 | 成都九洲迪飞科技有限责任公司 | High-efficiency power amplification module based on ADS load pull |
| CN106026933B (en) * | 2016-05-12 | 2019-02-22 | 成都九洲迪飞科技有限责任公司 | High efficiency power amplifier module based on ADS load balance factor |
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150426 |
|
| EXPY | Termination of patent right or utility model |