JPS593609U - Muting circuit - Google Patents
Muting circuitInfo
- Publication number
- JPS593609U JPS593609U JP9900082U JP9900082U JPS593609U JP S593609 U JPS593609 U JP S593609U JP 9900082 U JP9900082 U JP 9900082U JP 9900082 U JP9900082 U JP 9900082U JP S593609 U JPS593609 U JP S593609U
- Authority
- JP
- Japan
- Prior art keywords
- muting
- constant voltage
- voltage circuit
- amplifier
- muting 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
- Amplifiers (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図はこの考案に係るミューティング回路の一実施例
を示す構成図、第２図は第１図の動作を説明するための
各部の波形図である。
１１・・・再生ヘッド、１２・・・再生増幅器、１３・
・・電力増幅器Ｖ１４・・・スピーカ、１５・・・音量
調整器、１６・・・定電圧回路、１７・・・電源スィッ
チ、１８・・・電源、Ｑ□〜Ｑ３・・・トランジセタ、
Ｄｌ・・・ツェナーダイオード、Ｄ２・・・ダイオード
、Ｒ１−Ｒ４・・・抵抗、Ｃ・・・コンデンサ。FIG. 1 is a block diagram showing an embodiment of the muting circuit according to the invention, and FIG. 2 is a waveform diagram of each part for explaining the operation of FIG. 1. 11... Reproduction head, 12... Reproduction amplifier, 13.
... Power amplifier V14 ... Speaker, 15 ... Volume adjuster, 16 ... Constant voltage circuit, 17 ... Power switch, 18 ... Power supply, Q - Q3 ... Transistor,
Dl... Zener diode, D2... Diode, R1-R4... Resistor, C... Capacitor.
Claims (1)
路からの定電圧出力が供給される増幅器と、前記定電圧
回路に含まれるツェナーダイオードが安定に動作する迄
の開駆動状態に設定されるミューティング素子とを具備
し、このミューティング素子によって前記増幅器の出力
を実質的にミューティングせしめる構成としたことを特
徴とするミューティング回路。A constant voltage circuit including a Zener diode, an amplifier to which a constant voltage output from the constant voltage circuit is supplied, and muting that is set to an open drive state until the Zener diode included in the constant voltage circuit operates stably. 1. A muting circuit, comprising: a muting element, the muting element substantially muting the output of the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9900082U JPS593609U (en) | 1982-06-30 | 1982-06-30 | Muting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9900082U JPS593609U (en) | 1982-06-30 | 1982-06-30 | Muting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS593609U true JPS593609U (en) | 1984-01-11 |
Family
ID=30234798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9900082U Pending JPS593609U (en) | 1982-06-30 | 1982-06-30 | Muting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS593609U (en) |
-
1982
- 1982-06-30 JP JP9900082U patent/JPS593609U/en active Pending
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