KR970004293A - Automatic Gain Control Circuit - Google Patents
Automatic Gain Control Circuit Download PDFInfo
- Publication number
- KR970004293A KR970004293A KR1019950016453A KR19950016453A KR970004293A KR 970004293 A KR970004293 A KR 970004293A KR 1019950016453 A KR1019950016453 A KR 1019950016453A KR 19950016453 A KR19950016453 A KR 19950016453A KR 970004293 A KR970004293 A KR 970004293A
- Authority
- KR
- South Korea
- Prior art keywords
- amplifier
- output
- signal
- level
- control circuit
- Prior art date
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- Control Of Amplification And Gain Control (AREA)
Abstract
아날로그통신선로의 자동이득제어회로가 개시된다.An automatic gain control circuit of an analog communication line is disclosed.
본 발명에 따른 자동이득제어회로는 입력신호를 소정의 증폭도로 증폭시켜 출력신호로 제공하며, 바이어스 입력을 갖는 제1증폭부; 상기 제1증폭부의 출력측에 접속되어 상기 제1증폭부의 출력을 정류시켜 출력하는 정류부; 상기 정류부의 출력측에 접속되어 상기 정류부의 출력을 증폭시켜 출력하는 제2증폭부; 상기 제2증폭부의 출력측에 접속되고, 상기 제2증폭부의 출력에 의해 레벨이 조정되는 바이어스신호를 발생시켜 상기 제1증폭부의 바이어스입력에 제공하는 제3증폭부를 포함함을 특징으로 한다.An automatic gain control circuit according to the present invention includes a first amplifier having a bias input by amplifying an input signal with a predetermined amplification degree; A rectifier connected to an output side of the first amplifier, for rectifying and outputting an output of the first amplifier; A second amplifier connected to the output side of the rectifier to amplify and output the output of the rectifier; And a third amplifier connected to the output side of the second amplifier and configured to generate a bias signal whose level is adjusted by the output of the second amplifier and provide it to the bias input of the first amplifier.
본 발명에 따른 자동이득제어회로는 소정의 증폭도를 갖는 증폭부의 출력신호의 일부를 궤환시켜 입력신호의 레벨을 조정시킴으로써 자동적으로 출력신호의 레벨을 조정하는 효과를 갖는다.The automatic gain control circuit according to the present invention has the effect of automatically adjusting the level of the output signal by feeding back part of the output signal of the amplifier having a predetermined degree of amplification and adjusting the level of the input signal.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 본 발명에 따른 자동이득제어회로를 보이는 회로도이다.1 is a circuit diagram showing an automatic gain control circuit according to the present invention.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950016453A KR970004293A (en) | 1995-06-20 | 1995-06-20 | Automatic Gain Control Circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950016453A KR970004293A (en) | 1995-06-20 | 1995-06-20 | Automatic Gain Control Circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970004293A true KR970004293A (en) | 1997-01-29 |
Family
ID=66524539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950016453A KR970004293A (en) | 1995-06-20 | 1995-06-20 | Automatic Gain Control Circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970004293A (en) |
-
1995
- 1995-06-20 KR KR1019950016453A patent/KR970004293A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
N231 | Notification of change of applicant | ||
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |