JPS5920714U - gain control circuit - Google Patents
gain control circuitInfo
- Publication number
- JPS5920714U JPS5920714U JP11540082U JP11540082U JPS5920714U JP S5920714 U JPS5920714 U JP S5920714U JP 11540082 U JP11540082 U JP 11540082U JP 11540082 U JP11540082 U JP 11540082U JP S5920714 U JPS5920714 U JP S5920714U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- gain control
- control voltage
- gain
- 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
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の利得制御回路の一例を示す回路図、第２
図は第１図の特性図、第３図はこの考案による利得制御
回路の一実施例を示す回路図、第４図は第３図の特性図
である。
１・・・コントローラ、２・・・ディジタル・アナログ
コレバータ、３・・・電子ボリューム回路、４・・・ア
ンドゲート、Ｑ□〜Ｑ、・・・トランジスタ、Ｒ１，Ｒ
２・・・可変抵抗器、Ｒ，、Ｒ４・・・抵抗。Figure 1 is a circuit diagram showing an example of a conventional gain control circuit;
1 is a characteristic diagram of FIG. 1, FIG. 3 is a circuit diagram showing an embodiment of the gain control circuit according to this invention, and FIG. 4 is a characteristic diagram of FIG. 3. 1... Controller, 2... Digital/analog corrector, 3... Electronic volume circuit, 4... AND gate, Q□~Q,... Transistor, R1, R
2...Variable resistor, R,, R4...Resistance.
Claims (1)
回路において、前記コントロール電圧に直流バイアスを
加える手段と、前記コントロール電圧が設定値を越えて
低下した事を検出する検出手段と、この検出手段の出力
によって作動することにより前記コントロール電圧をオ
フ制御する回路とを備えたことを特徴とする利得制御回
路。A gain control circuit that controls gain using a DC control voltage, comprising means for applying a DC bias to the control voltage, a detection means for detecting that the control voltage has decreased beyond a set value, and an output of the detection means. A gain control circuit comprising: a circuit that controls the control voltage to be turned off by operating the gain control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11540082U JPS5920714U (en) | 1982-07-29 | 1982-07-29 | gain control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11540082U JPS5920714U (en) | 1982-07-29 | 1982-07-29 | gain control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920714U true JPS5920714U (en) | 1984-02-08 |
Family
ID=30266397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11540082U Pending JPS5920714U (en) | 1982-07-29 | 1982-07-29 | gain control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920714U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535584A (en) * | 1978-09-06 | 1980-03-12 | Matsushita Electric Ind Co Ltd | Sound volume controller |
-
1982
- 1982-07-29 JP JP11540082U patent/JPS5920714U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535584A (en) * | 1978-09-06 | 1980-03-12 | Matsushita Electric Ind Co Ltd | Sound volume controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5920714U (en) | gain control circuit | |
| JPS5939293Y2 (en) | 8 track tape travel control circuit | |
| JPS5917621U (en) | Amplifier gain adjustment circuit | |
| JPS5843021U (en) | Tape recorder volume attenuation circuit | |
| JPS5826738U (en) | tape recorder | |
| JPS5893010U (en) | Muting circuit | |
| JPS6355563U (en) | ||
| JPS58166121U (en) | Output limiting circuit for power amplifier circuit | |
| JPS60179881U (en) | sensor circuit | |
| JPS5839614U (en) | high voltage power supply | |
| JPS6047315U (en) | bias circuit | |
| JPS5819545U (en) | Automatic transmission output control circuit | |
| JPS5927614U (en) | volume adjustment circuit | |
| JPS59187219U (en) | semiconductor circuit | |
| JPS60123013U (en) | DC stabilized power supply | |
| JPS5890403U (en) | Functional first-order lag | |
| JPS6077007U (en) | Magnetic head azimuth adjustment device | |
| JPS5835197U (en) | tape recorder with radio | |
| JPS5877475U (en) | Sweep type load device | |
| JPS5826271U (en) | volume control circuit | |
| JPS60116726U (en) | electronic volume | |
| JPS5883865U (en) | signal voltage regulator | |
| JPS60167415U (en) | feedback amplifier circuit | |
| JPS6085412U (en) | Detection circuit | |
| JPS5927616U (en) | automatic level control circuit |