JPS4966057A - - Google Patents

Info

Publication number
JPS4966057A
JPS4966057A JP47108345A JP10834572A JPS4966057A JP S4966057 A JPS4966057 A JP S4966057A JP 47108345 A JP47108345 A JP 47108345A JP 10834572 A JP10834572 A JP 10834572A JP S4966057 A JPS4966057 A JP S4966057A
Authority
JP
Japan
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
Application number
JP47108345A
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 filed Critical
Priority to JP47108345A priority Critical patent/JPS4966057A/ja
Priority claimed from JP12479772U external-priority patent/JPS4980144U/ja
Priority claimed from JP1972124796U external-priority patent/JPS547090Y2/ja
Priority claimed from JP12479372U external-priority patent/JPS4980141U/ja
Priority claimed from JP12479472U external-priority patent/JPS4980140U/ja
Priority claimed from JP1972124795U external-priority patent/JPS547089Y2/ja
Priority to GB4973173A priority patent/GB1447528A/en
Priority to DE2354552A priority patent/DE2354552B2/de
Publication of JPS4966057A publication Critical patent/JPS4966057A/ja
Priority to US05/606,425 priority patent/US4241313A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
    • 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
    • H03F3/3008—Bifet SEPP output stages
    • 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
    • H03F3/3022—CMOS common source output SEPP amplifiers
    • H03F3/3023—CMOS common source output SEPP amplifiers with asymmetrical driving of the end stage
    • 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
    • H03F3/3044—Junction FET SEPP output stages
    • H03F3/3045—Junction FET SEPP output stages with asymmetrical driving of the end stage
    • 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
    • H03F3/3044—Junction FET SEPP output stages
    • H03F3/305—Junction FET SEPP output stages with symmetrical driving of the end stage
    • H03F3/3054—Junction FET SEPP output stages with symmetrical driving of the end stage using two SEPP driving stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45183—Long tailed pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45376—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using junction FET transistors as the active amplifying circuit
    • H03F3/45381—Long tailed pairs
    • 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
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45498—Indexing scheme relating to differential amplifiers the CSC comprising only resistors
    • 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
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45591—Indexing scheme relating to differential amplifiers the IC comprising one or more potentiometers
    • 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
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45686—Indexing scheme relating to differential amplifiers the LC comprising one or more potentiometers, which are not shunting potentiometers
    • 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
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45701—Indexing scheme relating to differential amplifiers the LC comprising one resistor
    • 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
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45702—Indexing scheme relating to differential amplifiers the LC comprising two resistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
JP47108345A 1972-10-27 1972-10-27 Pending JPS4966057A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP47108345A JPS4966057A (ja) 1972-10-27 1972-10-27
GB4973173A GB1447528A (en) 1972-10-27 1973-10-25 Audio power amplifier
DE2354552A DE2354552B2 (de) 1972-10-27 1973-10-29 Transistor-Niederfrequenz-Hi-Fi-Leistungsverstärker
US05/606,425 US4241313A (en) 1972-10-27 1975-08-21 Audio power amplifier

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP12479772U JPS4980144U (ja) 1972-10-27 1972-10-27
JP1972124796U JPS547090Y2 (ja) 1972-10-27 1972-10-27
JP12479372U JPS4980141U (ja) 1972-10-27 1972-10-27
JP12479472U JPS4980140U (ja) 1972-10-27 1972-10-27
JP1972124795U JPS547089Y2 (ja) 1972-10-27 1972-10-27
JP47108345A JPS4966057A (ja) 1972-10-27 1972-10-27

Publications (1)

Publication Number Publication Date
JPS4966057A true JPS4966057A (ja) 1974-06-26

Family

ID=27552289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47108345A Pending JPS4966057A (ja) 1972-10-27 1972-10-27

Country Status (4)

Country Link
US (1) US4241313A (ja)
JP (1) JPS4966057A (ja)
DE (1) DE2354552B2 (ja)
GB (1) GB1447528A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50150346A (ja) * 1974-05-21 1975-12-02
JPS5294762A (en) * 1976-02-04 1977-08-09 Hitachi Ltd 2 power source ocl-type push-pull power amplifier

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838965B2 (ja) * 1974-10-31 1983-08-26 ソニー株式会社 ゾウフクカイロ
US4284957A (en) * 1979-09-28 1981-08-18 American Microsystems, Inc. CMOS Operational amplifier with reduced power dissipation
US4345502A (en) * 1979-12-26 1982-08-24 Cbs Inc. Musical instrument performance amplifier
US4464634A (en) * 1982-06-10 1984-08-07 Vsp Labs, Inc. Audio power amplifier
JPS5934706A (ja) * 1982-08-20 1984-02-25 Toshiba Corp 電力増幅回路
US4483016A (en) * 1982-09-23 1984-11-13 Hochstein Peter A Audio amplifier
IT1185935B (it) * 1985-09-18 1987-11-18 Sgs Microelettronica Spa Stradio di uscita cmos a grande escursione di tensione e con stabilizzazione della corrente di rifoso
IT1244210B (it) * 1990-12-20 1994-07-08 Sgs Thomson Microelectronics Stadio finale a guadagno unitario particolarmente per amplificatori di potenza integrabili monoliticamente
US5157349A (en) * 1991-10-15 1992-10-20 Sierra Semiconductor Differential operational amplifier
US5631608A (en) * 1995-07-24 1997-05-20 Mitek Corporation Driver for N-channel VFET output stage of power amplifier
US5783970A (en) * 1995-07-24 1998-07-21 Mitek Corporation Driver for N-channel VFET output stage of power amplifier
DE19548574C2 (de) * 1995-12-23 2002-01-03 Elring Klinger Ag Metallische Zylinderkopfdichtung
US5880638A (en) * 1997-03-20 1999-03-09 Maxim Integrated Products Rail-to-rail operational amplifier and method for making same
JPH1174742A (ja) * 1997-08-27 1999-03-16 Denso Corp オペアンプ
JPH11163644A (ja) * 1997-11-26 1999-06-18 Fujitsu Ltd 差動増幅回路の出力回路
GB2334393B (en) * 1998-02-17 2002-09-18 Ray Mumford Mosfet driver circuit
US6317000B1 (en) * 2000-10-05 2001-11-13 Texas Instruments Incorporated Overload recovery circuit and method
KR100416168B1 (ko) * 2001-10-23 2004-01-24 페어차일드코리아반도체 주식회사 전력 증폭기
US7183857B2 (en) * 2002-01-24 2007-02-27 Maxim Integrated Products Inc. Single supply direct drive amplifier
US7061327B2 (en) 2002-01-24 2006-06-13 Maxim Integrated Products, Inc. Single supply headphone driver/charge pump combination
US6703900B2 (en) 2002-06-05 2004-03-09 Texas Instruments Incorporated Fast, stable overload recovery circuit and method
US7042290B2 (en) * 2003-09-16 2006-05-09 Texas Instruments Incorporated Output stage circuit for an operational amplifier
US6940353B2 (en) * 2003-10-16 2005-09-06 Micrel, Incorporated High frequency power amplifier
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
US8000113B2 (en) * 2009-04-07 2011-08-16 Maxim Integrated Products, Inc. Efficient power regulation for class-E amplifiers
WO2011020100A1 (en) * 2009-08-14 2011-02-17 Emo Labs, Inc System to generate electrical signals for a loudspeaker
US8593830B2 (en) 2010-06-29 2013-11-26 Maxim Integrated Products, Inc. Reverse current limit protection for active clamp converters
JP2016516358A (ja) 2013-03-15 2016-06-02 イモ ラブス， インコーポレイテッド 屈曲制限部材を有する音響変換器
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
CN110832771B (zh) * 2017-04-28 2023-09-19 柏林之声音频系统有限公司 信号放大器电路、电压转换器和系统
US10938364B2 (en) * 2019-06-27 2021-03-02 Echowell Electronic Co., Ltd. Vacuum tube subwoofer extraction circuit system
JP2022159093A (ja) * 2021-03-31 2022-10-17 スカイワークス ソリューションズ，インコーポレイテッド 利得変動が低減される電力増幅
WO2024116215A1 (en) 2022-11-30 2024-06-06 Tone Spring Amplifier for musical instruments

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376388A (en) * 1963-09-26 1968-04-02 Martin G. Reiffin Direct-current-coupled transistor power amplifiers
US3392341A (en) * 1965-09-10 1968-07-09 Rca Corp Self-biased field effect transistor amplifier
US3760288A (en) * 1971-08-09 1973-09-18 Trw Inc Operational amplifier
JPS4890447A (ja) * 1972-03-02 1973-11-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50150346A (ja) * 1974-05-21 1975-12-02
JPS5294762A (en) * 1976-02-04 1977-08-09 Hitachi Ltd 2 power source ocl-type push-pull power amplifier

Also Published As

Publication number Publication date
DE2354552B2 (de) 1978-05-03
DE2354552A1 (de) 1974-05-02
US4241313A (en) 1980-12-23
GB1447528A (en) 1976-08-25

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