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DE69023741D1 - Transistorverstärker mit veränderlichen Vorspannungsschaltungen. - Google Patents

Transistorverstärker mit veränderlichen Vorspannungsschaltungen.

Info

Publication number
DE69023741D1
DE69023741D1 DE69023741T DE69023741T DE69023741D1 DE 69023741 D1 DE69023741 D1 DE 69023741D1 DE 69023741 T DE69023741 T DE 69023741T DE 69023741 T DE69023741 T DE 69023741T DE 69023741 D1 DE69023741 D1 DE 69023741D1
Authority
DE
Germany
Prior art keywords
transistor amplifier
bias circuits
variable bias
variable
circuits
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 - Fee Related
Application number
DE69023741T
Other languages
English (en)
Other versions
DE69023741T2 (de
Inventor
Philip Harvey Sutterlin
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69023741D1 publication Critical patent/DE69023741D1/de
Application granted granted Critical
Publication of DE69023741T2 publication Critical patent/DE69023741T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69023741T 1989-10-31 1990-09-21 Transistorverstärker mit veränderlichen Vorspannungsschaltungen. Expired - Fee Related DE69023741T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/429,669 US4972158A (en) 1989-10-31 1989-10-31 Transistor amplifier with variable bias circuits

Publications (2)

Publication Number Publication Date
DE69023741D1 true DE69023741D1 (de) 1996-01-04
DE69023741T2 DE69023741T2 (de) 1996-06-20

Family

ID=23704236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023741T Expired - Fee Related DE69023741T2 (de) 1989-10-31 1990-09-21 Transistorverstärker mit veränderlichen Vorspannungsschaltungen.

Country Status (4)

Country Link
US (1) US4972158A (de)
EP (1) EP0426598B1 (de)
JP (1) JPH0697725B2 (de)
DE (1) DE69023741T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5670912A (en) * 1996-01-31 1997-09-23 Motorola, Inc. Variable supply biasing method and apparatus for an amplifier
JP3399329B2 (ja) * 1997-12-09 2003-04-21 株式会社村田製作所 演算増幅器
GB2378068B (en) * 2001-07-27 2005-05-04 Motorola Inc Bipolar differential amplifier
JP5543059B2 (ja) * 2007-10-10 2014-07-09 ピーエスフォー ルクスコ エスエイアールエル 差動増幅回路
CN113992165B (zh) * 2021-10-29 2025-04-04 上海华虹宏力半导体制造有限公司 一种偏置与增益可调的射频放大器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448396A (en) * 1966-12-21 1969-06-03 Collins Radio Co Electronic circuit-direct coupled totem pole emitter follower
JPS527658A (en) * 1975-07-08 1977-01-20 Nippon Gakki Seizo Kk Biasing system for field effect power transistors
JPS5223246A (en) * 1975-08-18 1977-02-22 Sony Corp Output circuit
US4254381A (en) * 1979-04-05 1981-03-03 Rca Corporation Balanced-to-single-ended signal converters
JPS6048512A (ja) * 1983-09-26 1985-03-16 Sanyo Electric Co Ltd 誘導式電動車
JPS6215911A (ja) * 1985-07-15 1987-01-24 Toshiba Corp 電流増幅回路
DE3800803A1 (de) * 1988-01-14 1989-07-27 Philips Patentverwaltung Verstaerkerschaltung

Also Published As

Publication number Publication date
EP0426598A2 (de) 1991-05-08
US4972158A (en) 1990-11-20
DE69023741T2 (de) 1996-06-20
JPH0697725B2 (ja) 1994-11-30
EP0426598B1 (de) 1995-11-22
EP0426598A3 (en) 1991-08-21
JPH03154508A (ja) 1991-07-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee