DE69024098D1 - Verzerrungslose Temperaturbegrenzungsschaltung in Tonfrequenzleistungsverstärkern - Google Patents

Verzerrungslose Temperaturbegrenzungsschaltung in Tonfrequenzleistungsverstärkern

Info

Publication number
DE69024098D1
DE69024098D1 DE69024098T DE69024098T DE69024098D1 DE 69024098 D1 DE69024098 D1 DE 69024098D1 DE 69024098 T DE69024098 T DE 69024098T DE 69024098 T DE69024098 T DE 69024098T DE 69024098 D1 DE69024098 D1 DE 69024098D1
Authority
DE
Germany
Prior art keywords
distortion
frequency power
audio frequency
power amplifiers
limiting 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 - Fee Related
Application number
DE69024098T
Other languages
English (en)
Other versions
DE69024098T2 (de
Inventor
Edoardo Botti
Fabrizio Stefani
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.)
STMicroelectronics SRL
Original Assignee
SGS Thomson Microelectronics SRL
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 SGS Thomson Microelectronics SRL filed Critical SGS Thomson Microelectronics SRL
Publication of DE69024098D1 publication Critical patent/DE69024098D1/de
Application granted granted Critical
Publication of DE69024098T2 publication Critical patent/DE69024098T2/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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/447—Indexing scheme relating to amplifiers the amplifier being protected to temperature influence

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69024098T 1989-05-22 1990-05-07 Verzerrungslose Temperaturbegrenzungsschaltung in Tonfrequenzleistungsverstärkern Expired - Fee Related DE69024098T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8920584A IT1229777B (it) 1989-05-22 1989-05-22 Circuito per la limitazione della temperatura senza distorsione per amplificatori audio di potenza.

Publications (2)

Publication Number Publication Date
DE69024098D1 true DE69024098D1 (de) 1996-01-25
DE69024098T2 DE69024098T2 (de) 1996-08-22

Family

ID=11169160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024098T Expired - Fee Related DE69024098T2 (de) 1989-05-22 1990-05-07 Verzerrungslose Temperaturbegrenzungsschaltung in Tonfrequenzleistungsverstärkern

Country Status (4)

Country Link
US (1) US5107389A (de)
EP (1) EP0399276B1 (de)
DE (1) DE69024098T2 (de)
IT (1) IT1229777B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1249844B (it) * 1991-10-18 1995-03-28 Sgs Thomson Microelectronics Amplificatore di potenza, in particolare di tipo audio.
JPH05274703A (ja) * 1992-03-25 1993-10-22 Toshiba Corp 光ディスク装置
DE69414152T2 (de) * 1993-02-22 1999-05-20 Koninklijke Philips Electronics N.V., Eindhoven Audioverstärkeranordnung
DE19815923A1 (de) * 1998-04-09 1999-10-21 Grundig Ag Steuereinrichtung für einen Audioverstärker
EP1112616A1 (de) * 1998-09-14 2001-07-04 Nokia Corporation Methode und vorrichtung zur kompensation der ausgangsleistung abhängig von der aktuellen gerätetemperatur
KR20020047341A (ko) * 2000-12-13 2002-06-22 구자홍 파워앰프의 온도 보상 회로
US7840015B1 (en) * 2002-09-04 2010-11-23 Cirrus Logic, Inc. Thermal feedback for switch mode amplification
US7173385B2 (en) * 2004-01-15 2007-02-06 The Regents Of The University Of California Compact accelerator
US7710051B2 (en) * 2004-01-15 2010-05-04 Lawrence Livermore National Security, Llc Compact accelerator for medical therapy
WO2007062686A1 (en) * 2005-11-30 2007-06-07 Tte Germany Gmbh Thermal protection circuit for an crt amplifier
US8036402B2 (en) 2005-12-15 2011-10-11 Harman International Industries, Incorporated Distortion compensation
US20080273717A1 (en) * 2007-05-03 2008-11-06 Gerald Willis Audio amplifier thermal management using low frequency limiting
US8242853B2 (en) * 2010-02-02 2012-08-14 Analog Devices, Inc. Low headroom oscillator
TWI475799B (zh) * 2010-10-12 2015-03-01 Generalplus Technology Inc 音頻功率放大電路的熱保護電路與方法
CN102468808B (zh) * 2010-11-05 2014-10-29 凌通科技股份有限公司 音频功率放大电路的热保护电路与方法
CN105703731B (zh) * 2015-12-31 2017-12-22 嘉兴禾润电子科技有限公司 用于d类音频功放芯片的自动增益控制电路
TWI690215B (zh) * 2018-07-20 2020-04-01 瑞昱半導體股份有限公司 適應性溫度的音訊放大器裝置及其控制方法
US11569784B2 (en) * 2021-05-31 2023-01-31 Richwave Technology Corp. Power amplifier capable of maintaining constant gain regardless of temperature variations

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1530795A (en) * 1975-10-31 1978-11-01 Gen Electric Co Ltd Audio-frequency amplifier arrangements
JPS582607B2 (ja) * 1976-03-12 1983-01-18 パイオニア株式会社 温度検知回路
JPS5422512U (de) * 1977-07-15 1979-02-14
US4742312A (en) * 1987-05-22 1988-05-03 Delco Electronics Corporation Power limiting audio amplifier temperature protection circuit
IT1208223B (it) * 1987-06-18 1989-06-12 Sgs Microelettronica Spa Stadio aplificatore ad elevata dinamica con rivelazione della distorsione.

Also Published As

Publication number Publication date
US5107389A (en) 1992-04-21
EP0399276B1 (de) 1995-12-13
IT1229777B (it) 1991-09-11
IT8920584A0 (it) 1989-05-22
EP0399276A3 (de) 1991-04-03
EP0399276A2 (de) 1990-11-28
DE69024098T2 (de) 1996-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: STMICROELECTRONICS S.R.L., AGRATE BRIANZA, MAILAND

8339 Ceased/non-payment of the annual fee