DE69707940D1 - Ruhestromeinstellung für Verstärkerausgangsstufe - Google Patents

Ruhestromeinstellung für Verstärkerausgangsstufe

Info

Publication number
DE69707940D1
DE69707940D1 DE69707940T DE69707940T DE69707940D1 DE 69707940 D1 DE69707940 D1 DE 69707940D1 DE 69707940 T DE69707940 T DE 69707940T DE 69707940 T DE69707940 T DE 69707940T DE 69707940 D1 DE69707940 D1 DE 69707940D1
Authority
DE
Germany
Prior art keywords
output stage
current setting
amplifier output
quiescent current
quiescent
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.)
Expired - Lifetime
Application number
DE69707940T
Other languages
English (en)
Other versions
DE69707940T2 (de
Inventor
Milton Luther Embree
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE69707940D1 publication Critical patent/DE69707940D1/de
Application granted granted Critical
Publication of DE69707940T2 publication Critical patent/DE69707940T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3069—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output
    • H03F3/3071—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with asymmetrical driving of the end stage
    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/307—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69707940T 1996-02-14 1997-02-04 Ruhestromeinstellung für Verstärkerausgangsstufe Expired - Lifetime DE69707940T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/601,414 US5689211A (en) 1996-02-14 1996-02-14 Quiescent current control for the output stage of an amplifier

Publications (2)

Publication Number Publication Date
DE69707940D1 true DE69707940D1 (de) 2001-12-13
DE69707940T2 DE69707940T2 (de) 2002-07-25

Family

ID=24407393

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69707940T Expired - Lifetime DE69707940T2 (de) 1996-02-14 1997-02-04 Ruhestromeinstellung für Verstärkerausgangsstufe

Country Status (5)

Country Link
US (1) US5689211A (de)
EP (1) EP0790703B1 (de)
JP (1) JP3352899B2 (de)
CA (1) CA2196008C (de)
DE (1) DE69707940T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6046642A (en) * 1998-09-08 2000-04-04 Motorola, Inc. Amplifier with active bias compensation and method for adjusting quiescent current
US6556081B2 (en) 2000-12-15 2003-04-29 Texas Instruments Incorporated Single-ended, ultra low voltage class AB power amplifier architecture having a common-mode feedback quiescent current control circuit
US6492874B1 (en) 2001-07-30 2002-12-10 Motorola, Inc. Active bias circuit
JP4745559B2 (ja) * 2001-08-29 2011-08-10 富士通セミコンダクター株式会社 オペアンプ
DE60234749D1 (de) * 2002-04-12 2010-01-28 St Microelectronics Ltd Klasse AB-Ausgangsstufe für einen Verstärker mit einem der Speisespannung entsprechenden Ausgangsspannungsbereich
EP1424771A1 (de) * 2002-11-28 2004-06-02 STMicroelectronics S.r.l. Kaskoden-Leistungsverstärker insbesondere für HF-Anwendungen
US7304539B2 (en) * 2003-10-16 2007-12-04 Renesas Technology Corporation High frequency power amplifier circuit and electronic component for high frequency power amplifier
US7262664B1 (en) 2005-06-02 2007-08-28 Adtran, Inc. Circuit and method for controlling quiescent current of an amplifier
US8305144B1 (en) 2010-11-09 2012-11-06 Adtran, Inc. Circuits and methods for controlling quiescent current in amplifiers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542348A (en) * 1983-10-24 1985-09-17 Hughes Aircraft Company High efficiency IGFET operational amplifier
NL8702778A (nl) * 1987-11-20 1989-06-16 Philips Nv Ruststroominstelling voor een versterkerschakeling.
US4945259A (en) * 1988-11-10 1990-07-31 Burr-Brown Corporation Bias voltage generator and method
CA2003437C (en) * 1988-11-22 1999-08-10 Minoru Aoyagi Workpiece conveying method and device for a cutting machine
US4922208A (en) * 1989-04-07 1990-05-01 Motorola, Inc. Output stage for an operational amplifier
US5337012A (en) * 1992-03-18 1994-08-09 U.S. Philips Corporation Amplifier having temperature compensated bias control

Also Published As

Publication number Publication date
US5689211A (en) 1997-11-18
JP3352899B2 (ja) 2002-12-03
CA2196008C (en) 1999-08-17
EP0790703A1 (de) 1997-08-20
EP0790703B1 (de) 2001-11-07
JPH09246884A (ja) 1997-09-19
CA2196008A1 (en) 1997-08-15
DE69707940T2 (de) 2002-07-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition