JPS60155210U - Muting circuit - Google Patents
Muting circuitInfo
- Publication number
- JPS60155210U JPS60155210U JP4268484U JP4268484U JPS60155210U JP S60155210 U JPS60155210 U JP S60155210U JP 4268484 U JP4268484 U JP 4268484U JP 4268484 U JP4268484 U JP 4268484U JP S60155210 U JPS60155210 U JP S60155210U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- turned
- circuit
- diode
- output terminal
- 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.)
- Granted
Links
Landscapes
- Amplifiers (AREA)
- Noise Elimination (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図は本考案回路の一実施例の回路図、第２
′図は本考案回路の動作説明用電圧特性図である。
１７・・・メカニズム制御回路ミュート端子、９・・
・増□幅器、１１・・・信号入力端子、１２・・・出力
端子、Ｄ５・・・ダイオード、Ｄｚ・・・ツェナーダイ
オード、Ｒ１，Ｒ２・・・抵抗、Ｑ・・・ミューティン
グ用トランジスタ。Fig. 1 is a circuit diagram of an embodiment of the circuit of the present invention;
Figure ' is a voltage characteristic diagram for explaining the operation of the circuit of the present invention.
17...Mechanism control circuit mute terminal, 9...
・Amplifier, 11... Signal input terminal, 12... Output terminal, D5... Diode, Dz... Zener diode, R1, R2... Resistor, Q... Muting transistor .
Claims (1)
圧及び負電圧を印加されて作動する回路を介して出力端
子に導く経路と、オンとされて該出力端子を短絡し、オ
フとされて該出力端子を開放するスイッチング素子と、
上記電源投入時から比較的急峻に立上る正電圧を生じる
ラインと該スイッチング素子との間に接続された抵抗と
ダイオ−ドとの直接回路と、上記電源投入時から比較的
緩やかに立上や負電圧を生じるラインにアノードを接続
され、該抵抗とダイ１−ドとの接続点にカソードを接続
されたツェナーダイオードと、上記ダイオードと上記ス
イッチング素子との間に接続−され、外部操作により上
記スイッチング素子をオフにする電圧を出力する回路と
よりなるミューティング回路。There is a path that leads the input signal to the output terminal through a circuit that operates by applying positive and negative voltages that rise relatively slowly from the time the power is turned on, and a path that short-circuits the output terminal when it is turned on and is turned off. a switching element that opens the output terminal when
A direct circuit of a resistor and a diode connected between the switching element and a line that generates a positive voltage that rises relatively steeply from the time the power is turned on; A Zener diode has an anode connected to a line that generates a negative voltage, and a cathode connected to a connection point between the resistor and the diode, and a Zener diode connected between the diode and the switching element, and is connected to the switching element by external operation. A muting circuit consists of a circuit that outputs a voltage that turns off a switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4268484U JPS60155210U (en) | 1984-03-27 | 1984-03-27 | Muting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4268484U JPS60155210U (en) | 1984-03-27 | 1984-03-27 | Muting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60155210U true JPS60155210U (en) | 1985-10-16 |
| JPH0215379Y2 JPH0215379Y2 (en) | 1990-04-25 |
Family
ID=30553667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4268484U Granted JPS60155210U (en) | 1984-03-27 | 1984-03-27 | Muting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60155210U (en) |
-
1984
- 1984-03-27 JP JP4268484U patent/JPS60155210U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0215379Y2 (en) | 1990-04-25 |
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