JPS5883815U - Muting control circuit - Google Patents
Muting control circuitInfo
- Publication number
- JPS5883815U JPS5883815U JP17978381U JP17978381U JPS5883815U JP S5883815 U JPS5883815 U JP S5883815U JP 17978381 U JP17978381 U JP 17978381U JP 17978381 U JP17978381 U JP 17978381U JP S5883815 U JPS5883815 U JP S5883815U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- electrode
- muting control
- ground
- emitter electrode
- 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
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図はミューティング制御回路の従来例を示す図、第
２図は本考案のミューティング制御回路を示す図である
。
１・・・・・・第１トランジスタ、２・・・・・・電源
スィッチ、５・・・・・・第２トランジスタ、６・・・
・・・ツェナーダイオード。FIG. 1 is a diagram showing a conventional example of a muting control circuit, and FIG. 2 is a diagram showing a muting control circuit according to the present invention. 1...First transistor, 2...Power switch, 5...Second transistor, 6...
...Zener diode.
Claims (1)
源に接続され、且つエミッタ電極と接地間にコンデンサ
ーとツェナーダイオードが接続された第１トランジスタ
と、該トランジスタのコレクタ電極がベース電極に接続
され、コレクタ電極とエミッタ電極が音声信号径路と接
地間に接続された第２トランジスタで構成したことを特
徴とするミューティング制御回路。a first transistor whose base electrode and emitter electrode are each connected to a power supply via a diode, and a capacitor and a Zener diode are connected between the emitter electrode and ground; a collector electrode of the transistor is connected to the base electrode; and a second transistor whose emitter electrode is connected between the audio signal path and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17978381U JPS5883815U (en) | 1981-12-01 | 1981-12-01 | Muting control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17978381U JPS5883815U (en) | 1981-12-01 | 1981-12-01 | Muting control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5883815U true JPS5883815U (en) | 1983-06-07 |
Family
ID=29975787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17978381U Pending JPS5883815U (en) | 1981-12-01 | 1981-12-01 | Muting control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5883815U (en) |
-
1981
- 1981-12-01 JP JP17978381U patent/JPS5883815U/en active Pending
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