JPS57184307A - Power supply voltage control type amplifier - Google Patents
Power supply voltage control type amplifierInfo
- Publication number
- JPS57184307A JPS57184307A JP57059514A JP5951482A JPS57184307A JP S57184307 A JPS57184307 A JP S57184307A JP 57059514 A JP57059514 A JP 57059514A JP 5951482 A JP5951482 A JP 5951482A JP S57184307 A JPS57184307 A JP S57184307A
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- output
- voltage
- power supply
- detector
- 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
PURPOSE: To increase the efficiency of the titled amplifier without giving any evil effect to the output waveform, by providing a delaying circuit between an input signal source and an amplifier and at the same time controlling the power supply voltage of the amplifier in relation to the change of the input signal.
CONSTITUTION: The signal given from a signal source 18 is delayed by a certain period of time through a delaying circuit 19 and then supplied to an amplifier 17. This signal is also applied to a waveheight detector 20 to detect the waveheight value. A pulse generator 16 is controlled by the output of the detector 20. The DC voltage given from a power supply 11 is converted into the AC voltage through a DC-AC converting part 12 which is controlled by the generator 16 to be applied to an output rectifying/smoothing part 14 and a voltage rectifying/ smoothing part 15 via an inverter transformer 13. A switching elements 21 and 22 are controlled by the detector 20. When the input voltage exceeds a certain level, the output of the part 14 which is supplied to the amplifier 17 is switched to the output of part 15.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57059514A JPS6038044B2 (en) | 1982-04-12 | 1982-04-12 | Power supply voltage controlled amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57059514A JPS6038044B2 (en) | 1982-04-12 | 1982-04-12 | Power supply voltage controlled amplifier |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49118261A Division JPS5931245B2 (en) | 1974-10-16 | 1974-10-16 | Power supply voltage controlled amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57184307A true JPS57184307A (en) | 1982-11-13 |
JPS6038044B2 JPS6038044B2 (en) | 1985-08-29 |
Family
ID=13115441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57059514A Expired JPS6038044B2 (en) | 1982-04-12 | 1982-04-12 | Power supply voltage controlled amplifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6038044B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62286302A (en) * | 1986-06-05 | 1987-12-12 | Matsushita Electric Ind Co Ltd | Highly efficient power amplifier |
JPS63204909A (en) * | 1987-02-20 | 1988-08-24 | Victor Co Of Japan Ltd | Amplification device |
-
1982
- 1982-04-12 JP JP57059514A patent/JPS6038044B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62286302A (en) * | 1986-06-05 | 1987-12-12 | Matsushita Electric Ind Co Ltd | Highly efficient power amplifier |
JPS63204909A (en) * | 1987-02-20 | 1988-08-24 | Victor Co Of Japan Ltd | Amplification device |
Also Published As
Publication number | Publication date |
---|---|
JPS6038044B2 (en) | 1985-08-29 |
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