FR1058980A - Circuit amplificateur à transistors miniature - Google Patents

Circuit amplificateur à transistors miniature

Info

Publication number
FR1058980A
FR1058980A FR1058980DA FR1058980A FR 1058980 A FR1058980 A FR 1058980A FR 1058980D A FR1058980D A FR 1058980DA FR 1058980 A FR1058980 A FR 1058980A
Authority
FR
France
Prior art keywords
amplifier circuit
transistor amplifier
miniature transistor
miniature
circuit
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
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1058980A publication Critical patent/FR1058980A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
FR1058980D 1951-09-17 1952-03-31 Circuit amplificateur à transistors miniature Expired FR1058980A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US246971A US2730576A (en) 1951-09-17 1951-09-17 Miniaturized transistor amplifier circuit

Publications (1)

Publication Number Publication Date
FR1058980A true FR1058980A (fr) 1954-03-22

Family

ID=22932970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1058980D Expired FR1058980A (fr) 1951-09-17 1952-03-31 Circuit amplificateur à transistors miniature

Country Status (4)

Country Link
US (1) US2730576A (fr)
DE (1) DE927932C (fr)
FR (1) FR1058980A (fr)
GB (1) GB714812A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2178108A1 (fr) * 1972-03-30 1973-11-09 Philips Nv

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE519695A (fr) * 1952-05-05
BE523250A (fr) * 1952-11-05
BE529435A (fr) * 1953-06-09
NL91359C (fr) * 1953-06-19
NL180277B (nl) * 1953-07-30 Cordis Corp Canule voor het inbrengen en manipuleren van een angiografische catheter.
NL98159C (fr) * 1953-10-02
US2982918A (en) * 1953-11-09 1961-05-02 Philips Corp Amplifying-circuit arrangement
US2878398A (en) * 1953-12-31 1959-03-17 Ibm Electric circuits including transistors
US2842624A (en) * 1954-03-05 1958-07-08 Hallicrafters Co Transistor amplifier circuit
US2885495A (en) * 1954-03-24 1959-05-05 Rca Corp Emitter coupled transistor amplifier
US2867695A (en) * 1954-04-12 1959-01-06 Hoffman Electronics Corp Temperature-compensated direct current transistor amplifier
US2856520A (en) * 1954-04-30 1958-10-14 Rca Corp Oscillator using point contact and junction transistors for improved frequency stability
US2835750A (en) * 1954-08-06 1958-05-20 Philips Corp Transistor amplifier
US2981895A (en) * 1954-11-29 1961-04-25 Rca Corp Series energized transistor amplifier
NL203732A (fr) * 1955-01-18
NL203679A (fr) * 1955-02-02
US2849626A (en) * 1955-04-15 1958-08-26 Bell Telephone Labor Inc Monostable circuit
NL91579C (fr) * 1955-04-16
US2838657A (en) * 1955-06-17 1958-06-10 Gen Railway Signal Co Train speed control system
US2876440A (en) * 1955-12-19 1959-03-03 Sperry Rand Corp Pulse stretching amplifiers
US2985769A (en) * 1956-04-25 1961-05-23 Bell Telephone Labor Inc Fast response gating circuit
US2900456A (en) * 1956-04-30 1959-08-18 Rca Corp Direct coupled feedback transistor amplifier circuits
DE1168974B (de) * 1956-07-03 1964-04-30 Telefunken Patent Transistorstufe in Emitterschaltung mit Mass-nahmen zur Kompensation des Einflusses von Betriebsspannungs- und Temperaturaenderungen
DE1061828B (de) * 1956-08-04 1959-07-23 Wendton Werner Wendt K G Mehrstufiger Transistorverstaerker mit Kompensation des Temperatur-einflusses
US2995666A (en) * 1956-10-22 1961-08-08 Lab For Electronics Inc Exclusive or logical circuit
US2934659A (en) * 1956-11-16 1960-04-26 Bell Telephone Labor Inc Monostable trigger circuit
DE1050815B (fr) * 1956-11-16
US3094627A (en) * 1957-05-24 1963-06-18 Philips Corp Reduction of distortion in pulsetransmission circuits
US3029808A (en) * 1957-07-30 1962-04-17 Arco Mfg Corp Direct current medical amplifier
US2955256A (en) * 1957-09-04 1960-10-04 Texas Instruments Inc Constant current amplifier
US2979667A (en) * 1958-05-01 1961-04-11 Hughes Aircraft Co Automatic volume control amplifier
DE109417C (fr) * 1958-06-18
US3105198A (en) * 1958-08-25 1963-09-24 Martin Marietta Corp Transistor amplifier temperature stabilization circuits
US3049630A (en) * 1958-10-23 1962-08-14 Honeywell Regulator Co Transformer-coupled pulse amplifier
US2994003A (en) * 1958-12-19 1961-07-25 Ibm Pulse amplifier including transistors
US3092731A (en) * 1959-02-24 1963-06-04 Allis Chalmers Mfg Co Pulse amplitude discriminator
US3114052A (en) * 1959-03-02 1963-12-10 Westinghouse Electric Corp Nor logic switching circuit having substantially constant output voltage characteristic
US3121807A (en) * 1960-04-11 1964-02-18 Vernand M Hanson Transistor pulse shaping and amplifying circuit
US3215861A (en) * 1960-06-22 1965-11-02 Rca Corp Binary inverter circuit employing field effect transistors
US3135926A (en) * 1960-09-19 1964-06-02 Gen Motors Corp Composite field effect transistor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524035A (en) * 1948-02-26 1950-10-03 Bell Telphone Lab Inc Three-electrode circuit element utilizing semiconductive materials
US2585078A (en) * 1948-11-06 1952-02-12 Bell Telephone Labor Inc Negative resistance device utilizing semiconductor amplifier
BE491203A (fr) * 1948-11-06
US2609459A (en) * 1948-12-30 1952-09-02 Rca Corp High input impedance transistor amplifier
US2544211A (en) * 1949-05-18 1951-03-06 Rca Corp Variable impedance device
US2662122A (en) * 1949-06-01 1953-12-08 Bell Telephone Labor Inc Two-way transistor electrical transmission system
US2666817A (en) * 1950-11-09 1954-01-19 Bell Telephone Labor Inc Transistor amplifier and power supply therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2178108A1 (fr) * 1972-03-30 1973-11-09 Philips Nv

Also Published As

Publication number Publication date
GB714812A (en) 1954-09-01
DE927932C (de) 1955-05-20
US2730576A (en) 1956-01-10

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