JPS6134749Y2 - - Google Patents

Info

Publication number
JPS6134749Y2
JPS6134749Y2 JP1979134344U JP13434479U JPS6134749Y2 JP S6134749 Y2 JPS6134749 Y2 JP S6134749Y2 JP 1979134344 U JP1979134344 U JP 1979134344U JP 13434479 U JP13434479 U JP 13434479U JP S6134749 Y2 JPS6134749 Y2 JP S6134749Y2
Authority
JP
Japan
Prior art keywords
frequency
circuit
amplifier
load
resistor
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
JP1979134344U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5652307U (US20090163788A1-20090625-C00002.png
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 JP1979134344U priority Critical patent/JPS6134749Y2/ja
Priority to US06/191,355 priority patent/US4393353A/en
Priority to GB8031327A priority patent/GB2062995B/en
Publication of JPS5652307U publication Critical patent/JPS5652307U/ja
Application granted granted Critical
Publication of JPS6134749Y2 publication Critical patent/JPS6134749Y2/ja
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)
JP1979134344U 1979-09-28 1979-09-28 Expired JPS6134749Y2 (US20090163788A1-20090625-C00002.png)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1979134344U JPS6134749Y2 (US20090163788A1-20090625-C00002.png) 1979-09-28 1979-09-28
US06/191,355 US4393353A (en) 1979-09-28 1980-09-26 Negative feedback amplifying circuit having voltage negative feedback and current negative feedback circuits
GB8031327A GB2062995B (en) 1979-09-28 1980-09-29 Negative feedback amplifying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979134344U JPS6134749Y2 (US20090163788A1-20090625-C00002.png) 1979-09-28 1979-09-28

Publications (2)

Publication Number Publication Date
JPS5652307U JPS5652307U (US20090163788A1-20090625-C00002.png) 1981-05-08
JPS6134749Y2 true JPS6134749Y2 (US20090163788A1-20090625-C00002.png) 1986-10-09

Family

ID=15126153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979134344U Expired JPS6134749Y2 (US20090163788A1-20090625-C00002.png) 1979-09-28 1979-09-28

Country Status (3)

Country Link
US (1) US4393353A (US20090163788A1-20090625-C00002.png)
JP (1) JPS6134749Y2 (US20090163788A1-20090625-C00002.png)
GB (1) GB2062995B (US20090163788A1-20090625-C00002.png)

Families Citing this family (19)

* 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
US6054874A (en) * 1997-07-02 2000-04-25 Cypress Semiconductor Corp. Output driver circuit with switched current source
US6084439A (en) * 1997-07-02 2000-07-04 Cypress Semiconductor Corp. Peak detector circuit with extended input voltage range
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
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
GB2062995B (en) 1983-11-09
GB2062995A (en) 1981-05-28
US4393353A (en) 1983-07-12
JPS5652307U (US20090163788A1-20090625-C00002.png) 1981-05-08

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