KR830006989A - 출력증폭회로 - Google Patents

출력증폭회로 Download PDF

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Publication number
KR830006989A
KR830006989A KR1019810002959A KR810002959A KR830006989A KR 830006989 A KR830006989 A KR 830006989A KR 1019810002959 A KR1019810002959 A KR 1019810002959A KR 810002959 A KR810002959 A KR 810002959A KR 830006989 A KR830006989 A KR 830006989A
Authority
KR
South Korea
Prior art keywords
amplifier circuit
output amplifier
push
operating
power
Prior art date
Application number
KR1019810002959A
Other languages
English (en)
Other versions
KR860000115B1 (ko
Inventor
다다오 스즈끼
Original Assignee
이와마 가즈오
소니 가부시끼 가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이와마 가즈오, 소니 가부시끼 가이샤 filed Critical 이와마 가즈오
Publication of KR830006989A publication Critical patent/KR830006989A/ko
Application granted granted Critical
Publication of KR860000115B1 publication Critical patent/KR860000115B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244—Stepped control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/516—Some amplifier stages of an amplifier use supply voltages of different value
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
    • H03F2203/30048—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor the SEPP amplifier has multiple SEPP outputs from paralleled output stages coupled in one or more outputs

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

내용 없음

Description

출력증폭회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도 및 제3도는 제각기 본 발명의 설명의 위한 도표
제3도는 본 발명 출력증폭회로의 일실시예를 도시한 접속도.

Claims (1)

  1. 제1 및 제2의 직류전원을 제각기 작동전원으로 하는 제1 및 제2트랜지스터로서 구성된 제1의 푸쉬풀출력증폭회로와, 상기 제1의 직류전원과 제3직류전원의 합의 직류전원 및 상기 제2직류전원과 제4직류전원의 합인 직류전원을 제각기 작동전원으로 하는 제3 및 제4의 트랜지스터로서 구성된 제2의 푸쉬풀출력증폭회로를 갖으며, 출력신호레벨이 소정치 미만의 경우에는 상기 제1의 푸쉬풀출력증폭회로를 작동하게 됨과 동시에 상기 출력신호레벨이 소정치 이상인 경우에는 상기 제2의 푸쉬풀출력증폭회로를 작동하게 됨을 특징으로 하는 출력증폭회로.
    ※참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019810002959A 1980-08-14 1981-08-14 출력 증폭 회로 KR860000115B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP55-112015 1980-08-14
JP11201580A JPS5737908A (en) 1980-08-14 1980-08-14 Output amplifying circuit

Publications (2)

Publication Number Publication Date
KR830006989A true KR830006989A (ko) 1983-10-12
KR860000115B1 KR860000115B1 (ko) 1986-02-19

Family

ID=14575833

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019810002959A KR860000115B1 (ko) 1980-08-14 1981-08-14 출력 증폭 회로

Country Status (6)

Country Link
US (1) US4401954A (ko)
JP (1) JPS5737908A (ko)
KR (1) KR860000115B1 (ko)
AU (1) AU545952B2 (ko)
CA (1) CA1171924A (ko)
GB (1) GB2082412B (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58182719A (ja) * 1982-04-20 1983-10-25 Toshiba Corp アクチエ−タの駆動回路
US4654712A (en) * 1985-04-16 1987-03-31 Jack Gershfeld High frequency wide bandwith video amplifier with high tracking linearity
JPS636621A (ja) * 1986-06-27 1988-01-12 Canon Inc 座標入力ペン
US4951002A (en) * 1989-04-13 1990-08-21 Plantronics, Inc. Battery powered in-line amplifier
US5191606A (en) * 1990-05-08 1993-03-02 Industrial Technology Research Institute Electrical telephone speech network
FR2667461A1 (fr) * 1990-09-28 1992-04-03 Philips Composants Module amplificateur de classe g.
KR950007836B1 (ko) * 1990-11-27 1995-07-20 삼성전자주식회사 시모스 파워 증폭기
DE4210463A1 (de) * 1992-03-10 1993-09-23 Gerhard Schroedel Modifizierter verlust- und verzerrungsarmer gegentakt-verstaerker fuer impedanzen mit grossem phasenwinkel bei eingepraegter spannung
US5570062A (en) * 1994-10-12 1996-10-29 Ericsson Ge Mobile Communications Inc. AM-FM transmitter power amplifier using class-BC
US6028486A (en) * 1997-10-07 2000-02-22 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing power dissipation in multi-carrier amplifiers
EP1014563B1 (en) * 1998-12-14 2006-03-01 Alcatel Amplifier arrangement with voltage gain and reduced power consumption
US6175277B1 (en) * 1999-02-08 2001-01-16 Texas Instruments Incorporated Bias network for CMOS power devices
KR100490445B1 (ko) 2001-03-15 2005-05-17 블루텍 주식회사 오디오 전력 증폭 장치 및 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51132746A (en) * 1975-05-14 1976-11-18 Sansui Electric Co Amplifier
JPS6115620Y2 (ko) * 1976-03-02 1986-05-15

Also Published As

Publication number Publication date
GB2082412A (en) 1982-03-03
AU7387381A (en) 1982-02-18
AU545952B2 (en) 1985-08-08
US4401954A (en) 1983-08-30
CA1171924A (en) 1984-07-31
GB2082412B (en) 1984-07-11
JPS5737908A (en) 1982-03-02
KR860000115B1 (ko) 1986-02-19
JPH0132684B2 (ko) 1989-07-10

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