JPS647321U - - Google Patents
Info
- Publication number
- JPS647321U JPS647321U JP10078887U JP10078887U JPS647321U JP S647321 U JPS647321 U JP S647321U JP 10078887 U JP10078887 U JP 10078887U JP 10078887 U JP10078887 U JP 10078887U JP S647321 U JPS647321 U JP S647321U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- turned
- audio output
- ground via
- 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
- 230000001681 protective effect Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Voltage And Current In General (AREA)
Description
第１図は本考案の一実施例の音声出力回路用電
源回路の回路図である。
FIG. 1 is a circuit diagram of a power supply circuit for an audio output circuit according to an embodiment of the present invention.
Claims (1)
り音声出力回路に電源を供給する電源制御回路で
あつて、 上記音声出力回路の通常動作用電源電圧に相当
するツエナー電圧のツエナーダイオードを保護抵
抗を介して電源ラインと接地間に接続すると共に
、該ツエナーダイオードのオンによりオンするト
ランジスタを負荷抵抗を介して上記電源ラインと
接地間に接続したことを特徴とする電源制御回路
。[Scope of Claim for Utility Model Registration] A power supply control circuit that supplies power to an audio output circuit from a power supply circuit that is not provided with voltage stabilization measures, the Zener voltage corresponding to the power supply voltage for normal operation of the audio output circuit. A Zener diode is connected between the power supply line and ground via a protective resistor, and a transistor that is turned on when the Zener diode is turned on is connected between the power supply line and ground via a load resistor. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10078887U JPS647321U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10078887U JPS647321U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647321U true JPS647321U (en) | 1989-01-17 |
Family
ID=31329184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10078887U Pending JPS647321U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647321U (en) |
-
1987
- 1987-06-30 JP JP10078887U patent/JPS647321U/ja active Pending