IT1229777B - Circuito per la limitazione della temperatura senza distorsione per amplificatori audio di potenza. - Google Patents

Circuito per la limitazione della temperatura senza distorsione per amplificatori audio di potenza.

Info

Publication number
IT1229777B
IT1229777B IT8920584A IT2058489A IT1229777B IT 1229777 B IT1229777 B IT 1229777B IT 8920584 A IT8920584 A IT 8920584A IT 2058489 A IT2058489 A IT 2058489A IT 1229777 B IT1229777 B IT 1229777B
Authority
IT
Italy
Prior art keywords
distortion
circuit
power amplifiers
audio power
temperature limitation
Prior art date
Application number
IT8920584A
Other languages
English (en)
Other versions
IT8920584A0 (it
Inventor
Edoardo Botti
Fabrizio Stefani
Original Assignee
Sgs Thomson Microelectronics
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 filed Critical Sgs Thomson Microelectronics
Priority to IT8920584A priority Critical patent/IT1229777B/it
Publication of IT8920584A0 publication Critical patent/IT8920584A0/it
Priority to DE69024098T priority patent/DE69024098T2/de
Priority to EP90108571A priority patent/EP0399276B1/en
Priority to US07/523,954 priority patent/US5107389A/en
Application granted granted Critical
Publication of IT1229777B publication Critical patent/IT1229777B/it

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)
IT8920584A 1989-05-22 1989-05-22 Circuito per la limitazione della temperatura senza distorsione per amplificatori audio di potenza. IT1229777B (it)

Priority Applications (4)

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.
DE69024098T DE69024098T2 (de) 1989-05-22 1990-05-07 Verzerrungslose Temperaturbegrenzungsschaltung in Tonfrequenzleistungsverstärkern
EP90108571A EP0399276B1 (en) 1989-05-22 1990-05-07 Circuit for limiting temperature without distortion in audio power amplifiers
US07/523,954 US5107389A (en) 1989-05-22 1990-05-15 Circuit for limiting temperature without distortion in audio power amplifiers

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
IT8920584A0 IT8920584A0 (it) 1989-05-22
IT1229777B true IT1229777B (it) 1991-09-11

Family

ID=11169160

Family Applications (1)

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

Country Status (4)

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

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 Koninkl Philips Electronics Nv Audioverstärkeranordnung
DE19815923A1 (de) * 1998-04-09 1999-10-21 Grundig Ag Steuereinrichtung für einen Audioverstärker
WO2000016476A1 (en) * 1998-09-14 2000-03-23 Nokia Networks Oy System and method for output power compensation for actual device temperature
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 (it) * 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
EP0399276A2 (en) 1990-11-28
DE69024098D1 (de) 1996-01-25
IT8920584A0 (it) 1989-05-22
EP0399276B1 (en) 1995-12-13
DE69024098T2 (de) 1996-08-22
EP0399276A3 (en) 1991-04-03
US5107389A (en) 1992-04-21

Similar Documents

Publication Publication Date Title
IT1229777B (it) Circuito per la limitazione della temperatura senza distorsione per amplificatori audio di potenza.
IT8922362A0 (it) Circuito amplificatore di potenza cmos con struttura completamente differenziale
IT8720950A0 (it) Stadio aplificatore ad elevata dinamica con rivelazione della distorsione.
ITRM920413A1 (it) Dispositivo e metodo per la rivelazione e la correzione della saturazione di amplificatori di potenza.
IT1227477B (it) Custodia termicamente efficiente per sbarre di potenza.
DE69121699D1 (de) Vorwärtsgeregelte schaltung zur verzerrungsminimisierung
DE69224405T2 (de) Hochfrequenzleistungsverstärker
DE69023753D1 (de) Hochfrequenzverstärker mit niedriger Verzerrung.
DE3886490D1 (de) Halbleitende Hochleistungsverstärker-Vorrichtung.
IT1215370B (it) Linearizzatore per amplificatore di potenza a microonde.
DE69119169T2 (de) Verstärkerschaltung
DE69408115T2 (de) Verstärker mit hohem Wirkungsgrad mit verminderter Schaltungsverzerrung
IT1236681B (it) Circuito di rilevazione della distorsione d'uscita, in particolare di stadi finali di dispositivi audio.
DE58908540D1 (de) Integrierbare Verstärkerschaltung.
IT8820848A0 (it) Circuito di ammutolimento per amplificatori audio.
DE69023725T2 (de) Verstärkerschaltung.
IT1235857B (it) Stadio di uscita per amplificatori di potenza.
IL85382A0 (en) Power amplifier having low intermodulation distortion
ATA286481A (de) Rueckfuehrungsstabilisierte zwischenfrequenzverst|rkerschaltung fuer fernsehzwecke
KR890009071A (ko) 증폭기 회로
DE69024711T2 (de) Verstärkerschaltung
KR910008938A (ko) 개선된 직선성을 갖는 증폭회로
DE69518968T2 (de) Hochfrequenzverstärkungsschaltung
DE69023704T2 (de) Verstärkerschaltung.
DE69024865D1 (de) Verstärkerschaltung

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530