JPS59132219U - automatic gain control circuit - Google Patents
automatic gain control circuitInfo
- Publication number
- JPS59132219U JPS59132219U JP2298383U JP2298383U JPS59132219U JP S59132219 U JPS59132219 U JP S59132219U JP 2298383 U JP2298383 U JP 2298383U JP 2298383 U JP2298383 U JP 2298383U JP S59132219 U JPS59132219 U JP S59132219U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- gain control
- automatic gain
- control signal
- signal
- 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.)
- Pending
Links
Landscapes
- Control Of Amplification And Gain Control (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案によるＡＧＣ回路の一実施例を示すブロ
ック図である。
１・・・入力信号、２・・・出力信号、３・・・可変利
得回路、４・・・レベル検出回路、５・・・基準レベル
、６・・・アップ信号、７・・・ダウン信号、８・・・
飽和情報、９・・・飽和検出回路、１０・・・飽和信号
、１１・・・ＡＮＤゲート、１２・・・ＯＲゲート、１
３・・・最終アップ信号、１４・・・最終ダウン信号。FIG. 1 is a block diagram showing an embodiment of an AGC circuit according to the present invention. DESCRIPTION OF SYMBOLS 1... Input signal, 2... Output signal, 3... Variable gain circuit, 4... Level detection circuit, 5... Reference level, 6... Up signal, 7... Down signal , 8...
Saturation information, 9... Saturation detection circuit, 10... Saturation signal, 11... AND gate, 12... OR gate, 1
3...Final up signal, 14...Final down signal.
Claims (1)
信号を増幅し定レベルの出力信号をうる能動素子を有す
る可変利得回路と、上記出力信号のレベルを基準レベル
と比較・検出し上記制御信号を与えるレベル検出回路と
、上記能動素子の飽和状態を検出し上記制御信号を優先
して与える飽和検出回路とからなる自動利得制御回路。a variable gain circuit having an active element that amplifies the input signal with its own gain adjusted by the applied control signal and obtains an output signal of a constant level; and a variable gain circuit that compares and detects the level of the output signal with a reference level and outputs the control signal. and a saturation detection circuit that detects the saturation state of the active element and gives priority to the control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2298383U JPS59132219U (en) | 1983-02-21 | 1983-02-21 | automatic gain control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2298383U JPS59132219U (en) | 1983-02-21 | 1983-02-21 | automatic gain control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59132219U true JPS59132219U (en) | 1984-09-05 |
Family
ID=30154075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2298383U Pending JPS59132219U (en) | 1983-02-21 | 1983-02-21 | automatic gain control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59132219U (en) |
-
1983
- 1983-02-21 JP JP2298383U patent/JPS59132219U/en active Pending
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