JPS6464529A - Power source circuit - Google Patents
Power source circuitInfo
- Publication number
- JPS6464529A JPS6464529A JP62216374A JP21637487A JPS6464529A JP S6464529 A JPS6464529 A JP S6464529A JP 62216374 A JP62216374 A JP 62216374A JP 21637487 A JP21637487 A JP 21637487A JP S6464529 A JPS6464529 A JP S6464529A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output
- rising
- transistor
- increases
- 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
- Direct Current Feeding And Distribution (AREA)
Abstract
PURPOSE:To establish voltage having predetermined magnitude quickly, by outputting a first voltage when it is rising and a second voltage from a second voltage output means upon rising of the first voltage through a voltage control means. CONSTITUTION:Upon rising of an input voltage V0, base current flows through a transistor 8 to turn it ON, while collector current flows to charge a capacitor 9. When the input voltage V0 increases, output voltage V2 increases with same waveform as that of the input voltage V0. Output voltage V1 also increases with same waveform as that of the input voltage V0. Upon increase of output voltage V3 from AVR4 with at time lag with respect to increase of the input voltage V0, voltage VZD2 lowers below voltage V3 to bias between collector and emitter of a transistor 8 reversely. Consequently, the transistor 8 is turned OFF while a diode 10 is turned ON thus establishing the output voltage V2 having predetermined magnitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62216374A JPS6464529A (en) | 1987-09-01 | 1987-09-01 | Power source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62216374A JPS6464529A (en) | 1987-09-01 | 1987-09-01 | Power source circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6464529A true JPS6464529A (en) | 1989-03-10 |
Family
ID=16687571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62216374A Pending JPS6464529A (en) | 1987-09-01 | 1987-09-01 | Power source circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6464529A (en) |
-
1987
- 1987-09-01 JP JP62216374A patent/JPS6464529A/en active Pending
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