NL8104914A - Versterker met signaalafhankelijke voedingsspanningsbron. - Google Patents

Versterker met signaalafhankelijke voedingsspanningsbron. Download PDF

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Publication number
NL8104914A
NL8104914A NL8104914A NL8104914A NL8104914A NL 8104914 A NL8104914 A NL 8104914A NL 8104914 A NL8104914 A NL 8104914A NL 8104914 A NL8104914 A NL 8104914A NL 8104914 A NL8104914 A NL 8104914A
Authority
NL
Netherlands
Prior art keywords
signal
amplifier
output
feedback
supply voltage
Prior art date
Application number
NL8104914A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8104914A priority Critical patent/NL8104914A/nl
Priority to US06/436,539 priority patent/US4507619A/en
Priority to JP57189938A priority patent/JPS5884509A/ja
Priority to DE8282201345T priority patent/DE3268594D1/de
Priority to EP82201345A priority patent/EP0079098B1/de
Publication of NL8104914A publication Critical patent/NL8104914A/nl

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
    • H03F1/0211—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 supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NL8104914A 1981-10-30 1981-10-30 Versterker met signaalafhankelijke voedingsspanningsbron. NL8104914A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL8104914A NL8104914A (nl) 1981-10-30 1981-10-30 Versterker met signaalafhankelijke voedingsspanningsbron.
US06/436,539 US4507619A (en) 1981-10-30 1982-10-25 Amplifier with signal-dependent voltage supply source
JP57189938A JPS5884509A (ja) 1981-10-30 1982-10-28 増幅器と信号依存性電圧源との組合わせ装置
DE8282201345T DE3268594D1 (en) 1981-10-30 1982-10-28 Amplifier with signal-dependent voltage supply source
EP82201345A EP0079098B1 (de) 1981-10-30 1982-10-28 Verstärker mit signalabhängiger Spannungsversorgungsquelle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8104914 1981-10-30
NL8104914A NL8104914A (nl) 1981-10-30 1981-10-30 Versterker met signaalafhankelijke voedingsspanningsbron.

Publications (1)

Publication Number Publication Date
NL8104914A true NL8104914A (nl) 1983-05-16

Family

ID=19838290

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8104914A NL8104914A (nl) 1981-10-30 1981-10-30 Versterker met signaalafhankelijke voedingsspanningsbron.

Country Status (5)

Country Link
US (1) US4507619A (de)
EP (1) EP0079098B1 (de)
JP (1) JPS5884509A (de)
DE (1) DE3268594D1 (de)
NL (1) NL8104914A (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163311A (en) * 1984-08-17 1986-02-19 Philips Electronic Associated Bipolar transistor rf power amplifier
US4581590A (en) * 1984-11-08 1986-04-08 Spacelabs, Inc. Multiple power supply power amplifier circuit
DE3744112A1 (de) * 1987-12-01 1989-06-15 Carl Spitzenberger Verstaerkeranordnung
US4961032A (en) * 1988-12-29 1990-10-02 Rca Licensing Corporation Dual power source output amplifier
US5191606A (en) * 1990-05-08 1993-03-02 Industrial Technology Research Institute Electrical telephone speech network
JP2669199B2 (ja) * 1991-06-20 1997-10-27 ヤマハ株式会社 増幅回路およびオーディオ信号増幅回路
JP3132093B2 (ja) * 1991-09-25 2001-02-05 ヤマハ株式会社 電源回路
US5450036A (en) * 1993-02-23 1995-09-12 Rohm Co., Ltd. Power amplifier circuit for audio signal and audio device using the same
US5424684A (en) * 1993-03-04 1995-06-13 Rohm Co., Ltd. Power amplifier circuit for audio signal and audio device using the same
KR0137105B1 (ko) * 1993-06-17 1998-04-29 모리시다 요이치 데이터 전송회로, 데이터선 구동회로, 증폭회로, 반도체 집적회로 및 반도체 기억장치
US5396194A (en) * 1993-11-19 1995-03-07 Carver Corporation Audio frequency power amplifiers
US5508658A (en) * 1994-04-27 1996-04-16 Rohm Co., Ltd. Power amplifier circuit for audio signal and audio device using the same
US5543753A (en) * 1994-06-22 1996-08-06 Carver Corporation Audio frequency power amplifiers with actively damped filter
US5606289A (en) * 1994-06-22 1997-02-25 Carver Corporation Audio frequency power amplifiers with actively damped filter
US5554959A (en) * 1994-10-25 1996-09-10 Vac-Com, Inc. Linear power amplifier with a pulse density modulated switching power supply
US5892404A (en) * 1994-10-25 1999-04-06 Vac-Com, Inc. Linear power amplifier with a pulse density modulated switching power supply
DE19514450A1 (de) * 1995-04-25 1996-10-31 Thomson Brandt Gmbh Leistungsverstärker für ein niederfrequentes Signal
US6130954A (en) * 1996-01-02 2000-10-10 Carver; Robert W. High back-emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
US5777519A (en) * 1996-07-18 1998-07-07 Simopoulos; Anastasios V. High efficiency power amplifier
CA2263177A1 (en) * 1996-08-12 1998-02-19 Robert W. Carver High back emf, high pressure subwoofer
US5898340A (en) * 1996-11-20 1999-04-27 Chatterjee; Manjirnath A. High power efficiency audio amplifier with digital audio and volume inputs
US6104248A (en) * 1998-10-23 2000-08-15 Carver; Robert W. Audio amplifier with tracking power supply utilizing inductive power converters
DE19909706A1 (de) * 1999-03-05 2000-09-07 Heidenhain Gmbh Dr Johannes Verfahren und Schaltungsanordnung zur Abbildung der Netzspannung bei rückspeisefähigen Versorgungsgeräten
US6825726B2 (en) * 2000-07-12 2004-11-30 Indigo Manufacturing Inc. Power amplifier with multiple power supplies
US6535399B2 (en) 2001-08-14 2003-03-18 Bose Corporation Tracking power supply controlling
US7570931B2 (en) * 2006-06-02 2009-08-04 Crestcom, Inc. RF transmitter with variably biased RF power amplifier and method therefor
GB2446843B (en) * 2006-06-30 2011-09-07 Wolfson Microelectronics Plc Amplifier circuit and methods of operation thereof
EP2082611B8 (de) 2006-10-16 2011-10-05 THX Ltd Konfigurationen von line-array-lautsprechersystemen und entsprechende schallverarbeitung
EP2056451A3 (de) * 2007-10-16 2011-11-30 THX Ltd Effizienter Leistungsverstärker
US9425747B2 (en) * 2008-03-03 2016-08-23 Qualcomm Incorporated System and method of reducing power consumption for audio playback
US8064851B2 (en) * 2008-03-06 2011-11-22 Crestcom, Inc. RF transmitter with bias-signal-induced distortion compensation and method therefor
ES2661600T3 (es) * 2009-02-25 2018-04-02 Thx Ltd Amplificador de baja disipación
US8717211B2 (en) 2010-11-30 2014-05-06 Qualcomm Incorporated Adaptive gain adjustment system
US9484860B2 (en) 2013-03-12 2016-11-01 Thx Ltd. Tracking power supply with increased boost capability
US10473719B2 (en) * 2017-10-12 2019-11-12 Keysight Technologies, Inc. System and method for separating and measuring two signals simultaneously present on a signal line

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3426266A (en) * 1966-03-22 1969-02-04 Collins Radio Co Signal modulated self-regulated switching voltage regulatoramplifier
DE2407629C2 (de) * 1974-02-18 1982-09-30 Siemens AG, 1000 Berlin und 8000 München Niederfrequenzleistungsverstärker
JPS51121239A (en) * 1975-04-17 1976-10-23 Sony Corp An amplification circuit
DE2953289A1 (en) * 1978-11-06 1980-12-04 R Carver High efficiency,light weight audio amplifier and power supply
US4218660A (en) * 1978-11-06 1980-08-19 Carver R W Audio amplifier and method of operating the same
US4318164A (en) * 1979-03-15 1982-03-02 Tokyo Shibaura Denki Kabushiki Kaisha High frequency switching circuit having preselected parameters to reduce power dissipation therein

Also Published As

Publication number Publication date
US4507619A (en) 1985-03-26
JPS5884509A (ja) 1983-05-20
EP0079098A1 (de) 1983-05-18
EP0079098B1 (de) 1986-01-15
DE3268594D1 (en) 1986-02-27

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed