GB2062995B - Negative feedback amplifying circuit - Google Patents

Negative feedback amplifying circuit

Info

Publication number
GB2062995B
GB2062995B GB8031327A GB8031327A GB2062995B GB 2062995 B GB2062995 B GB 2062995B GB 8031327 A GB8031327 A GB 8031327A GB 8031327 A GB8031327 A GB 8031327A GB 2062995 B GB2062995 B GB 2062995B
Authority
GB
United Kingdom
Prior art keywords
amplifying circuit
negative feedback
feedback amplifying
negative
circuit
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
Application number
GB8031327A
Other languages
English (en)
Other versions
GB2062995A (en
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Publication of GB2062995A publication Critical patent/GB2062995A/en
Application granted granted Critical
Publication of GB2062995B publication Critical patent/GB2062995B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
GB8031327A 1979-09-28 1980-09-29 Negative feedback amplifying circuit Expired GB2062995B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979134344U JPS6134749Y2 (OSRAM) 1979-09-28 1979-09-28

Publications (2)

Publication Number Publication Date
GB2062995A GB2062995A (en) 1981-05-28
GB2062995B true GB2062995B (en) 1983-11-09

Family

ID=15126153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8031327A Expired GB2062995B (en) 1979-09-28 1980-09-29 Negative feedback amplifying circuit

Country Status (3)

Country Link
US (1) US4393353A (OSRAM)
JP (1) JPS6134749Y2 (OSRAM)
GB (1) GB2062995B (OSRAM)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638258A (en) * 1982-02-26 1987-01-20 Barcus-Berry Electronics, Inc. Reference load amplifier correction system
GB2139915B (en) * 1983-05-19 1987-10-28 Nitivy Co Ltd Method for separating rare earth metals
DE3326494A1 (de) * 1983-07-22 1985-01-31 Burkhard Dipl.-Ing. 2000 Hamburg Dick Kontrolle der membranbewegung des dynamischen lautsprechers durch ein verbessertes netzwerk zur nachbildung seiner eingangsimpedanz
JPS61287305A (ja) * 1985-06-13 1986-12-17 Pioneer Electronic Corp 増幅回路
US4731588A (en) * 1986-10-14 1988-03-15 Tektronix, Inc. Gain selectable amplifier with resonance compensation
DE3836745A1 (de) * 1988-10-28 1990-05-03 Standard Elektrik Lorenz Ag Verfahren und vorrichtung zur linearisierung des frequenzganges eines lautsprechersystems
US4973917A (en) * 1989-09-27 1990-11-27 Threepenney Electronics Corporation Output amplifier
US5197102A (en) * 1991-01-14 1993-03-23 Peavey Electronics Corporation Audio power amplifier system with frequency selective damping factor controls
US5369355A (en) * 1992-11-12 1994-11-29 B/E Aerospace Compensation circuit for transformer linearization
US5761316A (en) * 1996-02-27 1998-06-02 Pritchard; Eric K. Variable and reactive audio power amplifier
US6141425A (en) * 1996-09-30 2000-10-31 Sony Corporation Sound quality adjustment circuit
US6084439A (en) * 1997-07-02 2000-07-04 Cypress Semiconductor Corp. Peak detector circuit with extended input voltage range
US6054874A (en) * 1997-07-02 2000-04-25 Cypress Semiconductor Corp. Output driver circuit with switched current source
US7053705B2 (en) * 2003-12-22 2006-05-30 Tymphany Corporation Mixed-mode (current-voltage) audio amplifier
CN100461623C (zh) 2004-08-27 2009-02-11 周宗善 双路取样环路负反馈方法及双路取样负反馈放大器
WO2008007312A1 (en) * 2006-07-10 2008-01-17 Bobinados De Transformadores S.L. Power amplifier
US8105042B2 (en) * 2009-04-06 2012-01-31 United Technologies Corporation Intermediate-manufactured composite airfoil and methods for manufacturing
JP6210027B2 (ja) * 2014-07-18 2017-10-11 ヤマハ株式会社 電力増幅器
US10785574B2 (en) * 2017-12-14 2020-09-22 Flodesign Sonics, Inc. Acoustic transducer driver and controller
JP7008768B2 (ja) * 2020-09-02 2022-01-25 三菱電機特機システム株式会社 増幅器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972002A (en) * 1974-12-30 1976-07-27 Bell Telephone Laboratories, Incorporated Dual feedback amplifier
US4229618A (en) * 1978-10-30 1980-10-21 Gamble George W High-fidelity speaker with negative feedback

Also Published As

Publication number Publication date
GB2062995A (en) 1981-05-28
JPS5652307U (OSRAM) 1981-05-08
US4393353A (en) 1983-07-12
JPS6134749Y2 (OSRAM) 1986-10-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee