GB2250151B - Power amplifier protection circuit - Google Patents

Power amplifier protection circuit

Info

Publication number
GB2250151B
GB2250151B GB9116391A GB9116391A GB2250151B GB 2250151 B GB2250151 B GB 2250151B GB 9116391 A GB9116391 A GB 9116391A GB 9116391 A GB9116391 A GB 9116391A GB 2250151 B GB2250151 B GB 2250151B
Authority
GB
United Kingdom
Prior art keywords
power amplifier
protection circuit
amplifier protection
circuit
power
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
GB9116391A
Other versions
GB9116391D0 (en
GB2250151A (en
Inventor
Christopher Jack Evans
Christopher Newey
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.)
NAD ELECTRONICS Ltd
Original Assignee
NAD ELECTRONICS Ltd
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 NAD ELECTRONICS Ltd filed Critical NAD ELECTRONICS Ltd
Publication of GB9116391D0 publication Critical patent/GB9116391D0/en
Publication of GB2250151A publication Critical patent/GB2250151A/en
Priority to GB9416291A priority Critical patent/GB2279835B/en
Application granted granted Critical
Publication of GB2250151B publication Critical patent/GB2250151B/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9116391A 1990-07-30 1991-07-30 Power amplifier protection circuit Expired - Fee Related GB2250151B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9416291A GB2279835B (en) 1990-07-30 1994-08-12 Power amplifier protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909016668A GB9016668D0 (en) 1990-07-30 1990-07-30 Power amplifier protection circuit

Publications (3)

Publication Number Publication Date
GB9116391D0 GB9116391D0 (en) 1991-09-11
GB2250151A GB2250151A (en) 1992-05-27
GB2250151B true GB2250151B (en) 1995-04-05

Family

ID=10679870

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909016668A Pending GB9016668D0 (en) 1990-07-30 1990-07-30 Power amplifier protection circuit
GB9116391A Expired - Fee Related GB2250151B (en) 1990-07-30 1991-07-30 Power amplifier protection circuit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909016668A Pending GB9016668D0 (en) 1990-07-30 1990-07-30 Power amplifier protection circuit

Country Status (1)

Country Link
GB (2) GB9016668D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224169A (en) * 1991-05-13 1993-06-29 Thomson Consumer Electronics, Inc. Protection arrangement for an audio output channel
DE69414152T2 (en) * 1993-02-22 1999-05-20 Koninkl Philips Electronics Nv Audio amplifier arrangement
US6580318B2 (en) 2001-03-08 2003-06-17 Maxim Integrated Products, Inc. Method and apparatus for protecting radio frequency power amplifiers
US11005431B2 (en) * 2019-04-03 2021-05-11 Analog Devices International Unlimited Company Power amplifier fault detector

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131349A (en) * 1967-04-20 1968-10-23 Redifon Ltd Improvements in or relating to electric signal amplifiers
GB1159012A (en) * 1966-05-23 1969-07-23 Decca Ltd Improvements in or relating to Radio Transmitting Stations.
GB1236449A (en) * 1967-12-05 1971-06-23 Rca Corp Amplifier protection circuit
GB1257318A (en) * 1967-11-21 1971-12-15
GB1467649A (en) * 1973-05-22 1977-03-16 Novanex Automation Nv Electronic amplifier
GB1467057A (en) * 1973-05-24 1977-03-16 Rca Corp Amplifier with over-current protection
GB1476089A (en) * 1974-04-19 1977-06-10 Multi State Devices Ltd Semi-conductor thermal protection arrangements
GB2047956A (en) * 1979-02-27 1980-12-03 Ates Componenti Elettron Electronic semiconductor component having a heat protection device
GB1596100A (en) * 1977-07-27 1981-08-19 Honeywell Gmbh Overload protection circuit for a transistor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838962A (en) * 1973-05-17 1974-10-01 Philco Ford Corp Molding apparatus

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1159012A (en) * 1966-05-23 1969-07-23 Decca Ltd Improvements in or relating to Radio Transmitting Stations.
GB1131349A (en) * 1967-04-20 1968-10-23 Redifon Ltd Improvements in or relating to electric signal amplifiers
GB1257318A (en) * 1967-11-21 1971-12-15
GB1236449A (en) * 1967-12-05 1971-06-23 Rca Corp Amplifier protection circuit
GB1467649A (en) * 1973-05-22 1977-03-16 Novanex Automation Nv Electronic amplifier
GB1467057A (en) * 1973-05-24 1977-03-16 Rca Corp Amplifier with over-current protection
GB1476089A (en) * 1974-04-19 1977-06-10 Multi State Devices Ltd Semi-conductor thermal protection arrangements
GB1596100A (en) * 1977-07-27 1981-08-19 Honeywell Gmbh Overload protection circuit for a transistor
GB2047956A (en) * 1979-02-27 1980-12-03 Ates Componenti Elettron Electronic semiconductor component having a heat protection device

Also Published As

Publication number Publication date
GB9116391D0 (en) 1991-09-11
GB2250151A (en) 1992-05-27
GB9016668D0 (en) 1990-09-12

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000730