JPS6040114U - Shock noise prevention circuit - Google Patents
Shock noise prevention circuitInfo
- Publication number
- JPS6040114U JPS6040114U JP13386883U JP13386883U JPS6040114U JP S6040114 U JPS6040114 U JP S6040114U JP 13386883 U JP13386883 U JP 13386883U JP 13386883 U JP13386883 U JP 13386883U JP S6040114 U JPS6040114 U JP S6040114U
- Authority
- JP
- Japan
- Prior art keywords
- shock noise
- power supply
- prevention circuit
- noise prevention
- supply voltage
- 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)
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、従来の増幅器を示す回路図、第２図は、本考
案の一実施例を示す回路図、及び第３図は、本考案の説
明に供する為の特性図である。
主な図番の説明、１３・・・電源電圧検出部、１９、・
・・信号発生部、２３・・・放電部。FIG. 1 is a circuit diagram showing a conventional amplifier, FIG. 2 is a circuit diagram showing an embodiment of the present invention, and FIG. 3 is a characteristic diagram for explaining the present invention. Explanation of main figure numbers, 13...Power supply voltage detection section, 19,...
...Signal generation section, 23...Discharge section.
Claims (1)
源電圧が所定値以下になったとき出力信号を発生する電
源電圧検出部と、該電源電圧検出部の出力信号とデカッ
プリングコンデンサの端子電圧とに応じて出力信号を発
生する信号発生部と、該信号発生部の出力信号に応じて
増幅器の出力コンデンサの電荷を放電する放電部とから
成り、電源オフ時に前記出力コンデンサの電荷を急速に
放電してショック音の発生防止を行うショック音防止回
路。This is a shock noise prevention circuit when switching the power supply of an amplifier, and includes a power supply voltage detection section that generates an output signal when the power supply voltage falls below a predetermined value, and an output signal of the power supply voltage detection section and a terminal voltage of a decoupling capacitor. and a discharging section that discharges the charge of the output capacitor of the amplifier according to the output signal of the signal generation section, and rapidly discharges the charge of the output capacitor when the power is turned off. Shock noise prevention circuit that prevents shock noise by discharging electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13386883U JPS6040114U (en) | 1983-08-29 | 1983-08-29 | Shock noise prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13386883U JPS6040114U (en) | 1983-08-29 | 1983-08-29 | Shock noise prevention circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6040114U true JPS6040114U (en) | 1985-03-20 |
| JPH0145150Y2 JPH0145150Y2 (en) | 1989-12-27 |
Family
ID=30301823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13386883U Granted JPS6040114U (en) | 1983-08-29 | 1983-08-29 | Shock noise prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6040114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03171766A (en) * | 1989-11-30 | 1991-07-25 | Toshiba Corp | Power amplifier |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4801357B2 (en) * | 2005-02-21 | 2011-10-26 | ローム株式会社 | Signal amplification circuit and electronic device using the same |
-
1983
- 1983-08-29 JP JP13386883U patent/JPS6040114U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03171766A (en) * | 1989-11-30 | 1991-07-25 | Toshiba Corp | Power amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0145150Y2 (en) | 1989-12-27 |
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