JPS58166112U - Mute pulse generation circuit - Google Patents
Mute pulse generation circuitInfo
- Publication number
- JPS58166112U JPS58166112U JP6126882U JP6126882U JPS58166112U JP S58166112 U JPS58166112 U JP S58166112U JP 6126882 U JP6126882 U JP 6126882U JP 6126882 U JP6126882 U JP 6126882U JP S58166112 U JPS58166112 U JP S58166112U
- Authority
- JP
- Japan
- Prior art keywords
- generation circuit
- pulse generation
- transistor
- load
- mute
- 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、従来のミュートパルス発生回路の一例を示す
回路図、第２図は、第１図における各部電圧の電源オン
時とオフ時における変化を示す波形図、第３図は、本考
案の一実施例を示す回路図、第４図は、−第３図におけ
今冬部電圧の電源オン時とオフ時における変化を示す波
形図、第５図は本考案の他の実施例を示す回路図、第６
図はその各部電圧の変化を示す波形図である。
−１，８・・・・・・コンデンサ、３・・・・・・
トランジスタ、４．２３・・・・・・抵抗、１１．１４
・：・・・・定電圧電源回路、１２・・・・・・インピ
ーダンスの大きい負ｑ、１５・・・・・・インピーダン
スの小さい負荷、２１．２２・・・・・・ダイオード。FIG. 1 is a circuit diagram showing an example of a conventional mute pulse generation circuit, FIG. 2 is a waveform diagram showing changes in the voltages of each part in FIG. 1 when the power is turned on and off, and FIG. FIG. 4 is a circuit diagram showing one embodiment of the present invention; FIG. 4 is a waveform diagram showing changes in the winter voltage in FIG. Circuit diagram, 6th
The figure is a waveform diagram showing changes in voltage at each part.
-1, 8... Capacitor, 3...
Transistor, 4.23... Resistor, 11.14
.: Constant voltage power supply circuit, 12... Negative q with large impedance, 15... Load with small impedance, 21.22... Diode.
Claims (1)
その電圧がほとんど同じ場合、電源オン時に立上りの早
い第１電源と負荷との接続点とトランジスタのエミッタ
を抵抗を介して接続し、電源オフ時に立下りの早い第２
電源と負荷との接続点とトランジスタのべ一長を接続１
、前記トランジスタのコレクタから一ミュート出力を得
ることを特徴とするミュートパルス発生回路。It has two or more power supplies that drive the electronic device as a load,
If the voltages are almost the same, connect the connection point between the first power supply and the load, which rises quickly when the power is turned on, and the emitter of the transistor through a resistor, and
Connect the connection point between the power supply and load and the total length of the transistor 1
, a mute pulse generating circuit characterized in that one mute output is obtained from the collector of the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6126882U JPS58166112U (en) | 1982-04-28 | 1982-04-28 | Mute pulse generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6126882U JPS58166112U (en) | 1982-04-28 | 1982-04-28 | Mute pulse generation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58166112U true JPS58166112U (en) | 1983-11-05 |
Family
ID=30071474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6126882U Pending JPS58166112U (en) | 1982-04-28 | 1982-04-28 | Mute pulse generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58166112U (en) |
-
1982
- 1982-04-28 JP JP6126882U patent/JPS58166112U/en active Pending
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