JPH0419723B2 - - Google Patents

Info

Publication number
JPH0419723B2
JPH0419723B2 JP57079046A JP7904682A JPH0419723B2 JP H0419723 B2 JPH0419723 B2 JP H0419723B2 JP 57079046 A JP57079046 A JP 57079046A JP 7904682 A JP7904682 A JP 7904682A JP H0419723 B2 JPH0419723 B2 JP H0419723B2
Authority
JP
Japan
Prior art keywords
output
current
transistor
value
voltage
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 - Lifetime
Application number
JP57079046A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58196704A (ja
Inventor
Masao Noro
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.)
Yamaha Corp
Original Assignee
Yamaha 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
Application filed by Yamaha Corp filed Critical Yamaha Corp
Priority to JP57079046A priority Critical patent/JPS58196704A/ja
Priority to US06/483,565 priority patent/US4530026A/en
Publication of JPS58196704A publication Critical patent/JPS58196704A/ja
Publication of JPH0419723B2 publication Critical patent/JPH0419723B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP57079046A 1982-05-11 1982-05-11 電力増幅器の出力制限回路 Granted JPS58196704A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57079046A JPS58196704A (ja) 1982-05-11 1982-05-11 電力増幅器の出力制限回路
US06/483,565 US4530026A (en) 1982-05-11 1983-04-11 Output transistor protection circuit in a power amplifier with collector power dissipation limitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57079046A JPS58196704A (ja) 1982-05-11 1982-05-11 電力増幅器の出力制限回路

Publications (2)

Publication Number Publication Date
JPS58196704A JPS58196704A (ja) 1983-11-16
JPH0419723B2 true JPH0419723B2 (en]) 1992-03-31

Family

ID=13678959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57079046A Granted JPS58196704A (ja) 1982-05-11 1982-05-11 電力増幅器の出力制限回路

Country Status (2)

Country Link
US (1) US4530026A (en])
JP (1) JPS58196704A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4242985A1 (en) 2022-03-10 2023-09-13 FUJIFILM Business Innovation Corp. Information processing apparatus, program, and information processing method

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660122A (en) * 1984-09-28 1987-04-21 Honeywell Inc. Foldback current limiting circuit
NZ216904A (en) * 1985-07-22 1989-01-06 Beale David George Audio amplifier with overload limiting
US4742312A (en) * 1987-05-22 1988-05-03 Delco Electronics Corporation Power limiting audio amplifier temperature protection circuit
JP2635277B2 (ja) * 1992-12-01 1997-07-30 三菱電機株式会社 センサユニット制御システム
US5666073A (en) * 1995-08-04 1997-09-09 Kruse; Neils A. Power dissipation limiter for high frequency switch
US5808514A (en) * 1996-09-19 1998-09-15 Maxim Integrated Products, Inc. Three state output method and apparatus for high speed amplifiers
US7286010B2 (en) * 2006-01-26 2007-10-23 D2Audio Corporation Systems and methods for over-current protection
JP6238627B2 (ja) * 2013-08-05 2017-11-29 日置電機株式会社 定電流発生回路および定電流発生回路の保護方法、並びに、抵抗測定装置、および、抵抗測定方法
US9948242B2 (en) * 2016-08-02 2018-04-17 Apex Microtechnology, Inc. Selectable current limiter circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027344B1 (en]) * 1970-03-26 1975-09-06
US3946280A (en) * 1975-03-10 1976-03-23 Branson Ultrasonics Corporation Overload protection circuit
JPS6026321B2 (ja) * 1977-08-29 1985-06-22 ソニー株式会社 電力増幅器の過負荷検出回路
JPS6047771B2 (ja) * 1977-09-20 1985-10-23 ソニー株式会社 増幅器の過負荷保護装置
JPS6016103Y2 (ja) * 1977-12-26 1985-05-20 株式会社ケンウッド 電力増幅器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4242985A1 (en) 2022-03-10 2023-09-13 FUJIFILM Business Innovation Corp. Information processing apparatus, program, and information processing method

Also Published As

Publication number Publication date
US4530026A (en) 1985-07-16
JPS58196704A (ja) 1983-11-16

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