CA951799A - Semiconductor amplifier protection - Google Patents

Semiconductor amplifier protection

Info

Publication number
CA951799A
CA951799A CA061,075,A CA61075A CA951799A CA 951799 A CA951799 A CA 951799A CA 61075 A CA61075 A CA 61075A CA 951799 A CA951799 A CA 951799A
Authority
CA
Canada
Prior art keywords
semiconductor amplifier
amplifier protection
protection
semiconductor
amplifier
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
Application number
CA061,075,A
Other languages
English (en)
Other versions
CA61075S (en
Inventor
Carl F. Wheatley (Jr.)
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA951799A publication Critical patent/CA951799A/en
Expired 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/044—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a semiconductor device to sense the temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CA061,075,A 1968-09-27 1969-09-03 Semiconductor amplifier protection Expired CA951799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4615368 1968-09-27

Publications (1)

Publication Number Publication Date
CA951799A true CA951799A (en) 1974-07-23

Family

ID=10440076

Family Applications (1)

Application Number Title Priority Date Filing Date
CA061,075,A Expired CA951799A (en) 1968-09-27 1969-09-03 Semiconductor amplifier protection

Country Status (7)

Country Link
US (1) US3786364A (lt)
CA (1) CA951799A (lt)
DE (1) DE1948852C3 (lt)
ES (1) ES371702A1 (lt)
FR (1) FR2019024A1 (lt)
GB (1) GB1238950A (lt)
NL (1) NL164433C (lt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240017B2 (lt) * 1972-10-16 1977-10-08
JPS4968642A (lt) * 1972-11-06 1974-07-03
US3939363A (en) * 1974-02-25 1976-02-17 Westinghouse Electric Corporation Circuitry with zener diode voltage surge suppressor connected to serve as half wave rectifier
US3979643A (en) * 1975-02-03 1976-09-07 International Business Machines Corporation Logic driver circuit with output protection
JPS51117557A (en) * 1975-04-08 1976-10-15 Hitachi Ltd Field effect transistor amplifier circuit
IT1049596B (it) * 1975-09-18 1981-02-10 Ates Componenti Elettron Dispositivo di protezione per un elemento di potenza di un circuito integrato
JPS5510208A (en) * 1978-07-07 1980-01-24 Hitachi Ltd Aso protection circuit
JPS5518118A (en) * 1978-07-26 1980-02-08 Hitachi Ltd Transistor power amplifier circuit
US4335358A (en) * 1980-01-21 1982-06-15 Signetics Corporation Class "B" type amplifier
US4394703A (en) * 1981-12-24 1983-07-19 Gte Automatic Electric Labs Inc. Load protecting arrangement
SE453784B (sv) * 1986-07-04 1988-02-29 Ericsson Telefon Ab L M Krets
DE19519477C2 (de) * 1995-05-27 1998-07-09 Bosch Gmbh Robert Integrierte Schaltung mit thermischem Überlastschutz, insb. geeignet für KfZ-Zündspulenansteuerung
JP3904817B2 (ja) * 2000-08-31 2007-04-11 株式会社ルネサステクノロジ 電力増幅器モジュール
US6621351B2 (en) * 2001-08-23 2003-09-16 Motorola, Inc. RF amplifier and method therefor
US7286328B1 (en) * 2003-10-23 2007-10-23 Marvell International Ltd. Electrostatic discharge protection circuit for preamps connected to magneto-resistive read elements
US7167331B1 (en) 2003-10-23 2007-01-23 Marvell International Ltd. Electrostatic discharge protection circuit for magneto-resistive read elements

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863008A (en) * 1954-08-27 1958-12-02 Gen Electric Stabilized amplifier
US2816964A (en) * 1954-10-27 1957-12-17 Rca Corp Stabilizing means for semi-conductor circuits
US3089098A (en) * 1962-01-10 1963-05-07 John B Noe Stabilized transistor amplifier
US3160767A (en) * 1963-02-14 1964-12-08 Virgil R Tindall Self-protecting coaxial line driver
DE1881201U (de) * 1963-06-20 1963-10-24 Siemens Ag Thermostat zur temperaturstabilisierung von halbleiterbauelementen.
US3300659A (en) * 1964-05-18 1967-01-24 Gen Electric Fail safe overvoltage alarm circuit
US3408589A (en) * 1964-09-18 1968-10-29 California Comp Products Inc Overload protection circuit for transistor amplifier
GB1114928A (en) * 1964-10-14 1968-05-22 Lucas Industries Ltd Transistor circuits
DE1222118B (de) * 1965-02-20 1966-08-04 Licentia Gmbh Begrenzungsregelung der Ausgangsleistung von Leistungstransistoren
US3504285A (en) * 1968-03-22 1970-03-31 Gen Motors Corp Transistor protective circuit

Also Published As

Publication number Publication date
GB1238950A (lt) 1971-07-14
US3786364A (en) 1974-01-15
ES371702A1 (es) 1971-11-16
NL164433C (nl) 1980-12-15
NL6914654A (lt) 1970-04-01
DE1948852B2 (de) 1974-08-29
DE1948852A1 (de) 1970-11-05
FR2019024A1 (lt) 1970-06-26
DE1948852C3 (de) 1982-08-05

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