DE69011550D1 - Tonfrequenzverstärker mit phasenmodulierter Pulsbreitenmodulation. - Google Patents

Tonfrequenzverstärker mit phasenmodulierter Pulsbreitenmodulation.

Info

Publication number
DE69011550D1
DE69011550D1 DE69011550T DE69011550T DE69011550D1 DE 69011550 D1 DE69011550 D1 DE 69011550D1 DE 69011550 T DE69011550 T DE 69011550T DE 69011550 T DE69011550 T DE 69011550T DE 69011550 D1 DE69011550 D1 DE 69011550D1
Authority
DE
Germany
Prior art keywords
phase
switching mechanisms
pulse width
width modulation
modulated pulse
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
DE69011550T
Other languages
English (en)
Other versions
DE69011550T2 (de
Inventor
Brian E Attwood
Larry E Hand
Lee C Santillano
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.)
Peavey Electronics Corp
Original Assignee
Peavey Electronics 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
Priority claimed from GB898905002A external-priority patent/GB8905002D0/en
Application filed by Peavey Electronics Corp filed Critical Peavey Electronics Corp
Application granted granted Critical
Publication of DE69011550D1 publication Critical patent/DE69011550D1/de
Publication of DE69011550T2 publication Critical patent/DE69011550T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DE69011550T 1989-03-04 1990-02-28 Tonfrequenzverstärker mit phasenmodulierter Pulsbreitenmodulation. Expired - Fee Related DE69011550T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898905002A GB8905002D0 (en) 1989-03-04 1989-03-04 Audio amplifiers
US07/422,518 US4992751A (en) 1989-03-04 1989-10-17 Audio amplifier with phase modulated pulse width modulation

Publications (2)

Publication Number Publication Date
DE69011550D1 true DE69011550D1 (de) 1994-09-22
DE69011550T2 DE69011550T2 (de) 1995-04-13

Family

ID=26295057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011550T Expired - Fee Related DE69011550T2 (de) 1989-03-04 1990-02-28 Tonfrequenzverstärker mit phasenmodulierter Pulsbreitenmodulation.

Country Status (8)

Country Link
EP (1) EP0386933B1 (de)
JP (1) JPH0828626B2 (de)
AT (1) ATE110198T1 (de)
BR (1) BR9000979A (de)
CA (1) CA2009775C (de)
DE (1) DE69011550T2 (de)
IE (1) IE64711B1 (de)
MX (1) MX173212B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5389829A (en) * 1991-09-27 1995-02-14 Exar Corporation Output limiter for class-D BICMOS hearing aid output amplifier
US5225789A (en) * 1992-04-17 1993-07-06 Northern Telecom Limited Four quadrant current mode switching amplifier
US5517154A (en) * 1995-01-13 1996-05-14 Tektronix, Inc. Split-path linear isolation circuit apparatus and method
US5986498A (en) * 1998-04-14 1999-11-16 Harman International Industries, Incorporated Audio direct from power supply
US6392476B1 (en) 2000-03-14 2002-05-21 Harman International Industries, Incorporated System and method of producing direct audio from a power supply
US7030694B2 (en) 2001-11-23 2006-04-18 Koninklijke Philips Electronics N.V. Switched mode power amplifier
DE102008026846A1 (de) * 2008-06-05 2009-12-24 Continental Automotive Gmbh Schaltungsanordnung
US8390373B2 (en) * 2010-06-08 2013-03-05 MUSIC Group IP Ltd. Ultra-high efficiency switching power inverter and power amplifier
EP2926446A4 (de) * 2012-11-28 2016-08-31 Guangdong Rui Ding Electrical Technology Ltd Supereffizienter einstufiger isolierter schaltleistungsverstärker
US9306516B2 (en) * 2012-12-01 2016-04-05 Guangdong Redx Electrical Technology Limited Single stage switching power amplifier with bidirectional energy flow

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3409817A (en) * 1965-08-10 1968-11-05 Varo Phase demodulated high frequency inverter
JPS5758864B2 (de) * 1974-03-28 1982-12-11 Sony Corp
US4479175A (en) * 1982-08-13 1984-10-23 Honeywell Inc. Phase modulated switchmode power amplifier and waveform generator
US4573018A (en) * 1984-04-19 1986-02-25 Fred Mirow Switching amplifier system
US4600891A (en) * 1984-08-21 1986-07-15 Peavey Electronics Corporation Digital audio amplifier having a high power output level and low distortion
JPS6238885A (ja) * 1985-08-13 1987-02-19 Taiho Kogyo Co Ltd パワ−ステアリング用オイルポンプ

Also Published As

Publication number Publication date
EP0386933A3 (de) 1991-02-27
MX173212B (es) 1994-02-09
CA2009775C (en) 1994-12-06
BR9000979A (pt) 1991-02-19
IE900757L (en) 1990-09-04
DE69011550T2 (de) 1995-04-13
JPH02272903A (ja) 1990-11-07
CA2009775A1 (en) 1990-09-04
ATE110198T1 (de) 1994-09-15
IE64711B1 (en) 1995-08-23
EP0386933A2 (de) 1990-09-12
EP0386933B1 (de) 1994-08-17
JPH0828626B2 (ja) 1996-03-21

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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