JPS5972074U - Auxiliary bias circuit for AGC circuit - Google Patents
Auxiliary bias circuit for AGC circuitInfo
- Publication number
- JPS5972074U JPS5972074U JP16683982U JP16683982U JPS5972074U JP S5972074 U JPS5972074 U JP S5972074U JP 16683982 U JP16683982 U JP 16683982U JP 16683982 U JP16683982 U JP 16683982U JP S5972074 U JPS5972074 U JP S5972074U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- agc
- auxiliary bias
- synchronization signal
- agc circuit
- 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
- Television Receiver Circuits (AREA)
- Television Signal Processing For Recording (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案のＡＧＣ回路の補助バイアス回路の一実
施例を示す回路図、第２図は映像信号及びトランジスタ
入力電圧を示す波形図である。
６・・・トランジスタ、９・・・ダイオード、１０・・
・充放電コンデンサ、１２・・・ＡＧＣ回路、１３・・
・同期信号分離回路。FIG. 1 is a circuit diagram showing one embodiment of an auxiliary bias circuit of an AGC circuit according to the present invention, and FIG. 2 is a waveform diagram showing a video signal and transistor input voltage. 6...Transistor, 9...Diode, 10...
・Charge/discharge capacitor, 12...AGC circuit, 13...
・Synchronization signal separation circuit.
Claims (1)
の同期信号の有無により０Ｎ−ＯＦＦするトランジスタ
と、このトランジスタの０Ｎ−ＯＦＦによりバイアス電
圧をＡＧＣ回路の充放電コンデンサに加えるダイオード
とからなるＡＧＣ回路の補助バイアス回路。An AGC circuit consisting of a synchronization signal separation circuit that extracts a synchronization signal from a video signal, a transistor that turns ON and OFF depending on the presence or absence of this synchronization signal, and a diode that applies a bias voltage to the charging and discharging capacitor of the AGC circuit when the transistor turns ON and OFF. auxiliary bias circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16683982U JPS5972074U (en) | 1982-11-02 | 1982-11-02 | Auxiliary bias circuit for AGC circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16683982U JPS5972074U (en) | 1982-11-02 | 1982-11-02 | Auxiliary bias circuit for AGC circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5972074U true JPS5972074U (en) | 1984-05-16 |
Family
ID=30365166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16683982U Pending JPS5972074U (en) | 1982-11-02 | 1982-11-02 | Auxiliary bias circuit for AGC circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5972074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08205189A (en) * | 1995-01-27 | 1996-08-09 | Nec Corp | Magnetic recording device |
-
1982
- 1982-11-02 JP JP16683982U patent/JPS5972074U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08205189A (en) * | 1995-01-27 | 1996-08-09 | Nec Corp | Magnetic recording device |
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