CN1101616C - 功率放大器中输出晶体管的保护电路 - Google Patents
功率放大器中输出晶体管的保护电路 Download PDFInfo
- Publication number
- CN1101616C CN1101616C CN97199416A CN97199416A CN1101616C CN 1101616 C CN1101616 C CN 1101616C CN 97199416 A CN97199416 A CN 97199416A CN 97199416 A CN97199416 A CN 97199416A CN 1101616 C CN1101616 C CN 1101616C
- Authority
- CN
- China
- Prior art keywords
- temperature
- power amplifier
- circuit
- transistor
- current
- 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
Links
Images
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)
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9604101A SE511337C2 (sv) | 1996-11-08 | 1996-11-08 | Anordning för att skydda sluttransistorerna i en effektförstärkare |
SE96041017 | 1996-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1235710A CN1235710A (zh) | 1999-11-17 |
CN1101616C true CN1101616C (zh) | 2003-02-12 |
Family
ID=20404546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97199416A Expired - Fee Related CN1101616C (zh) | 1996-11-08 | 1997-11-07 | 功率放大器中输出晶体管的保护电路 |
Country Status (11)
Country | Link |
---|---|
US (1) | US5942945A (zh) |
EP (1) | EP0937334B1 (zh) |
JP (1) | JP4065328B2 (zh) |
KR (1) | KR100379590B1 (zh) |
CN (1) | CN1101616C (zh) |
AU (1) | AU4975197A (zh) |
CA (1) | CA2271113A1 (zh) |
DE (1) | DE69720027T2 (zh) |
HK (1) | HK1023859A1 (zh) |
SE (1) | SE511337C2 (zh) |
WO (1) | WO1998021820A1 (zh) |
Families Citing this family (8)
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 |
US20240072731A1 (en) * | 2022-08-23 | 2024-02-29 | Psemi Corporation | Over temperature protection with soft shutdown for power amplifier |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3942075A (en) * | 1974-04-19 | 1976-03-02 | Multi-State Devices Ltd. | Semi-conductor thermal protection arrangement |
US4158180A (en) * | 1978-04-13 | 1979-06-12 | General Electric Company | Temperature control circuit |
US4757271A (en) * | 1985-07-22 | 1988-07-12 | John Dumergue Charters | Composite audio amplifier |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3449680A (en) * | 1966-03-29 | 1969-06-10 | Motorola Inc | Transistor protection circuit |
JPS5837138Y2 (ja) * | 1977-02-24 | 1983-08-22 | 株式会社東芝 | 増幅回路の保護回路 |
US4523154A (en) * | 1983-05-18 | 1985-06-11 | Genrad, Inc. | Enhanced-accuracy semiconductor power amplifier |
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 |
-
1996
- 1996-11-08 SE SE9604101A patent/SE511337C2/sv unknown
-
1997
- 1997-10-30 US US08/961,019 patent/US5942945A/en not_active Expired - Lifetime
- 1997-11-07 WO PCT/SE1997/001870 patent/WO1998021820A1/en active IP Right Grant
- 1997-11-07 EP EP97912626A patent/EP0937334B1/en not_active Expired - Lifetime
- 1997-11-07 AU AU49751/97A patent/AU4975197A/en not_active Abandoned
- 1997-11-07 CA CA002271113A patent/CA2271113A1/en not_active Abandoned
- 1997-11-07 KR KR10-1999-7003974A patent/KR100379590B1/ko not_active IP Right Cessation
- 1997-11-07 DE DE69720027T patent/DE69720027T2/de not_active Expired - Lifetime
- 1997-11-07 CN CN97199416A patent/CN1101616C/zh not_active Expired - Fee Related
- 1997-11-07 JP JP52246598A patent/JP4065328B2/ja not_active Expired - Lifetime
-
2000
- 2000-05-16 HK HK00102915A patent/HK1023859A1/xx not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3942075A (en) * | 1974-04-19 | 1976-03-02 | Multi-State Devices Ltd. | Semi-conductor thermal protection arrangement |
US4158180A (en) * | 1978-04-13 | 1979-06-12 | General Electric Company | Temperature control circuit |
US4757271A (en) * | 1985-07-22 | 1988-07-12 | John Dumergue Charters | Composite audio amplifier |
Also Published As
Publication number | Publication date |
---|---|
AU4975197A (en) | 1998-06-03 |
KR100379590B1 (ko) | 2003-04-10 |
SE511337C2 (sv) | 1999-09-13 |
JP2001504304A (ja) | 2001-03-27 |
DE69720027D1 (de) | 2003-04-24 |
EP0937334A1 (en) | 1999-08-25 |
SE9604101D0 (sv) | 1996-11-08 |
JP4065328B2 (ja) | 2008-03-26 |
WO1998021820A1 (en) | 1998-05-22 |
CA2271113A1 (en) | 1998-05-22 |
HK1023859A1 (en) | 2000-09-22 |
KR20000053063A (ko) | 2000-08-25 |
CN1235710A (zh) | 1999-11-17 |
SE9604101L (sv) | 1998-05-09 |
EP0937334B1 (en) | 2003-03-19 |
US5942945A (en) | 1999-08-24 |
DE69720027T2 (de) | 2003-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: ELLISON TELEPHONE CO., LTD. Effective date: 20040827 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20040827 Address after: Munich, Germany Patentee after: Infennian Technologies AG Address before: Stockholm Patentee before: Ericsson Telephone AB |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030212 Termination date: 20161107 |
|
CF01 | Termination of patent right due to non-payment of annual fee |