SE511337C2 - Anordning för att skydda sluttransistorerna i en effektförstärkare - Google Patents

Anordning för att skydda sluttransistorerna i en effektförstärkare

Info

Publication number
SE511337C2
SE511337C2 SE9604101A SE9604101A SE511337C2 SE 511337 C2 SE511337 C2 SE 511337C2 SE 9604101 A SE9604101 A SE 9604101A SE 9604101 A SE9604101 A SE 9604101A SE 511337 C2 SE511337 C2 SE 511337C2
Authority
SE
Sweden
Prior art keywords
current
power amplifier
temperature
transistor
input
Prior art date
Application number
SE9604101A
Other languages
English (en)
Swedish (sv)
Other versions
SE9604101L (sv
SE9604101D0 (sv
Inventor
Hans Eriksson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9604101A priority Critical patent/SE511337C2/sv
Publication of SE9604101D0 publication Critical patent/SE9604101D0/xx
Priority to US08/961,019 priority patent/US5942945A/en
Priority to DE69720027T priority patent/DE69720027T2/de
Priority to AU49751/97A priority patent/AU4975197A/en
Priority to CN97199416A priority patent/CN1101616C/zh
Priority to KR10-1999-7003974A priority patent/KR100379590B1/ko
Priority to CA002271113A priority patent/CA2271113A1/fr
Priority to JP52246598A priority patent/JP4065328B2/ja
Priority to EP97912626A priority patent/EP0937334B1/fr
Priority to PCT/SE1997/001870 priority patent/WO1998021820A1/fr
Priority to HK00102915.8A priority patent/HK1023859B/xx
Publication of SE9604101L publication Critical patent/SE9604101L/
Publication of SE511337C2 publication Critical patent/SE511337C2/sv

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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • 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
    • H03F2200/468—Indexing scheme relating to amplifiers the temperature being sensed

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
SE9604101A 1996-11-08 1996-11-08 Anordning för att skydda sluttransistorerna i en effektförstärkare SE511337C2 (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE9604101A SE511337C2 (sv) 1996-11-08 1996-11-08 Anordning för att skydda sluttransistorerna i en effektförstärkare
US08/961,019 US5942945A (en) 1996-11-08 1997-10-30 Arrangement for protecting the output transistors in a power amplifier
HK00102915.8A HK1023859B (en) 1996-11-08 1997-11-07 Arrangement for protecting the output transistors in a power amplifier
CN97199416A CN1101616C (zh) 1996-11-08 1997-11-07 功率放大器中输出晶体管的保护电路
AU49751/97A AU4975197A (en) 1996-11-08 1997-11-07 Arrangement for protecting the output transistors in a power amplifier
DE69720027T DE69720027T2 (de) 1996-11-08 1997-11-07 Anordnung zum schutz der ausgangstransistoren in einem leistungsverstärker
KR10-1999-7003974A KR100379590B1 (ko) 1996-11-08 1997-11-07 전력 증폭기에서 출력 트랜지스터를 보호하는 장치
CA002271113A CA2271113A1 (fr) 1996-11-08 1997-11-07 Systeme de protection des transistors de sortie dans un amplificateur de puissance
JP52246598A JP4065328B2 (ja) 1996-11-08 1997-11-07 電力増幅器の出力トランジスタを保護するための構成
EP97912626A EP0937334B1 (fr) 1996-11-08 1997-11-07 Systeme de protection des transistors de sortie dans un amplificateur de puissance
PCT/SE1997/001870 WO1998021820A1 (fr) 1996-11-08 1997-11-07 Systeme de protection des transistors de sortie dans un amplificateur de puissance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9604101A SE511337C2 (sv) 1996-11-08 1996-11-08 Anordning för att skydda sluttransistorerna i en effektförstärkare

Publications (3)

Publication Number Publication Date
SE9604101D0 SE9604101D0 (sv) 1996-11-08
SE9604101L SE9604101L (sv) 1998-05-09
SE511337C2 true SE511337C2 (sv) 1999-09-13

Family

ID=20404546

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9604101A SE511337C2 (sv) 1996-11-08 1996-11-08 Anordning för att skydda sluttransistorerna i en effektförstärkare

Country Status (10)

Country Link
US (1) US5942945A (fr)
EP (1) EP0937334B1 (fr)
JP (1) JP4065328B2 (fr)
KR (1) KR100379590B1 (fr)
CN (1) CN1101616C (fr)
AU (1) AU4975197A (fr)
CA (1) CA2271113A1 (fr)
DE (1) DE69720027T2 (fr)
SE (1) SE511337C2 (fr)
WO (1) WO1998021820A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512796C2 (sv) * 1998-09-18 2000-05-15 Ericsson Telefon Ab L M Förfarande jämte anordning för att mäta temperatur i en halvledarkomponent
KR100453877B1 (ko) 2001-07-26 2004-10-20 메덱스젠 주식회사 연쇄체화에 의한 면역 글로블린 융합 단백질의 제조 방법 및 이 방법에 의해 제조된 ＴＮＦＲ/Ｆｃ 융합 단백질, 상기 단백질을 코딩하는 ＤＮＡ, 상기 ＤＮＡ를 포함하는벡터, 및 상기 벡터에 의한 형질전환체
US7751783B2 (en) * 2004-06-30 2010-07-06 Black Sand Technologies, Inc. Power amplifier protection circuit and associated methods
US7751784B2 (en) * 2004-06-30 2010-07-06 Black Sand Technologies, Inc. Method of protecting power amplifiers
US20060043490A1 (en) * 2004-09-02 2006-03-02 Texas Instruments Incorporated Electrostatic discharge (ESD) detection and protection
CN104270105B (zh) * 2014-09-16 2017-04-26 广州杰士莱电子有限公司 数字功放电路
US10965255B1 (en) 2019-10-30 2021-03-30 Psemi Corporation Overvoltage protection for power amplifier with soft shutdown
US12525922B2 (en) * 2022-08-23 2026-01-13 Psemi Corporation Over temperature protection with soft shutdown for power amplifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449680A (en) * 1966-03-29 1969-06-10 Motorola Inc Transistor protection circuit
CA991756A (en) * 1974-04-19 1976-06-22 Multi-State Devices Ltd. Semi-conductor thermal protection arrangement
JPS5837138Y2 (ja) * 1977-02-24 1983-08-22 株式会社東芝 増幅回路の保護回路
US4158180A (en) * 1978-04-13 1979-06-12 General Electric Company Temperature control circuit
US4523154A (en) * 1983-05-18 1985-06-11 Genrad, Inc. Enhanced-accuracy semiconductor power amplifier
NZ216904A (en) * 1985-07-22 1989-01-06 Beale David George Audio amplifier with overload limiting
US4779161A (en) * 1986-01-22 1988-10-18 Ge Company Multi-driver integrated circuit
US5383083A (en) * 1992-05-19 1995-01-17 Pioneer Electronic Corporation Protective apparatus for power transistor

Also Published As

Publication number Publication date
KR100379590B1 (ko) 2003-04-10
CA2271113A1 (fr) 1998-05-22
EP0937334B1 (fr) 2003-03-19
JP4065328B2 (ja) 2008-03-26
JP2001504304A (ja) 2001-03-27
EP0937334A1 (fr) 1999-08-25
HK1023859A1 (en) 2000-09-22
DE69720027T2 (de) 2003-10-23
SE9604101L (sv) 1998-05-09
DE69720027D1 (de) 2003-04-24
AU4975197A (en) 1998-06-03
CN1235710A (zh) 1999-11-17
CN1101616C (zh) 2003-02-12
SE9604101D0 (sv) 1996-11-08
KR20000053063A (ko) 2000-08-25
US5942945A (en) 1999-08-24
WO1998021820A1 (fr) 1998-05-22

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