JPS5545202A - Push-pull amplifier - Google Patents
Push-pull amplifierInfo
- Publication number
- JPS5545202A JPS5545202A JP11742178A JP11742178A JPS5545202A JP S5545202 A JPS5545202 A JP S5545202A JP 11742178 A JP11742178 A JP 11742178A JP 11742178 A JP11742178 A JP 11742178A JP S5545202 A JPS5545202 A JP S5545202A
- Authority
- JP
- Japan
- Prior art keywords
- mosfets
- electrodes
- constant current
- channel
- push
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
PURPOSE:To prevent the generation of switching distortion and improve a tone quality at a high-band frequency without damaging the conventional efficiency by inserting a MOSFET as a bias circuit in the class ''B'' push-pull circuit. CONSTITUTION:Source electrodes and gate electrodes of P channel and N channel enhancement MOSFETs 13 and 14 are connected to gate electrodes and source electrodes of N channel and P channel enhancement MOSFETs 1 and 2, which constitute the output stage, respectively. Drain electrodes of MOSFETs 13 and 14 which form a bias circuit are connected to each other. The bias circut obtained in this manner is connected between gate electrodes of MOSFETs 1 and 2 which constitute the output stage, and MOSFETs 1 and 2 are driven by NPN transistor 8 where constant current source 6 is a load. As a result, MOSFETs 13 and 14 are biased to a constant current by constant current source 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11742178A JPS5545202A (en) | 1978-09-26 | 1978-09-26 | Push-pull amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11742178A JPS5545202A (en) | 1978-09-26 | 1978-09-26 | Push-pull amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5545202A true JPS5545202A (en) | 1980-03-29 |
JPS6138641B2 JPS6138641B2 (en) | 1986-08-30 |
Family
ID=14711222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11742178A Granted JPS5545202A (en) | 1978-09-26 | 1978-09-26 | Push-pull amplifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5545202A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07101822B1 (en) * | 1986-11-21 | 1995-11-01 | ||
JP2002359529A (en) * | 2001-05-31 | 2002-12-13 | Matsushita Electric Ind Co Ltd | Power amplifier |
JPWO2016051473A1 (en) * | 2014-09-29 | 2017-04-27 | 三菱電機株式会社 | Operational amplifier circuit |
-
1978
- 1978-09-26 JP JP11742178A patent/JPS5545202A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07101822B1 (en) * | 1986-11-21 | 1995-11-01 | ||
JP2002359529A (en) * | 2001-05-31 | 2002-12-13 | Matsushita Electric Ind Co Ltd | Power amplifier |
JPWO2016051473A1 (en) * | 2014-09-29 | 2017-04-27 | 三菱電機株式会社 | Operational amplifier circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS6138641B2 (en) | 1986-08-30 |
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