BE585710A - Générateur basse fréquence et amplificateur de puissance à transistors - Google Patents

Générateur basse fréquence et amplificateur de puissance à transistors

Info

Publication number
BE585710A
BE585710A BE585710A BE585710A BE585710A BE 585710 A BE585710 A BE 585710A BE 585710 A BE585710 A BE 585710A BE 585710 A BE585710 A BE 585710A BE 585710 A BE585710 A BE 585710A
Authority
BE
Belgium
Prior art keywords
power amplifier
low frequency
frequency generator
transistor power
transistor
Prior art date
Application number
BE585710A
Other languages
English (en)
Inventor
Gabriele Ferdinando Cerofolini
Original Assignee
Gen Telephone Lab
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 Gen Telephone Lab filed Critical Gen Telephone Lab
Publication of BE585710A publication Critical patent/BE585710A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/42—Amplifiers with two or more amplifying elements having their DC paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
BE585710A 1959-02-11 1959-12-16 Générateur basse fréquence et amplificateur de puissance à transistors BE585710A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US792650A US2994833A (en) 1959-02-11 1959-02-11 Transistor tone generator and power amplifier

Publications (1)

Publication Number Publication Date
BE585710A true BE585710A (fr) 1960-04-19

Family

ID=25157606

Family Applications (1)

Application Number Title Priority Date Filing Date
BE585710A BE585710A (fr) 1959-02-11 1959-12-16 Générateur basse fréquence et amplificateur de puissance à transistors

Country Status (2)

Country Link
US (1) US2994833A (fr)
BE (1) BE585710A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3096486A (en) * 1960-09-13 1963-07-02 Robert R Atherton Push-pull parallel operating circuit for power transmission devices
US3160707A (en) * 1961-06-29 1964-12-08 Vernon J Meyers Gain control in response to ambient noise level
US3234479A (en) * 1961-10-07 1966-02-08 Sony Corp Series energized transistor amplifier having temperature compensation
FR2702897B1 (fr) * 1993-03-19 1995-04-28 Valeo Electronique Amplificateur à fréquence intermédiaire embarqué, récepteur embarqué de signaux comme une télécommande.
US9843293B1 (en) * 2016-09-16 2017-12-12 Peregrine Semiconductor Corporation Gate drivers for stacked transistor amplifiers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239773A (en) * 1939-07-29 1941-04-29 Rca Corp Inverse feedback amplifier
US2815408A (en) * 1955-10-14 1957-12-03 Hafler David Transformers
US2863956A (en) * 1955-11-14 1958-12-09 Hoffman Electronics Corp Crystal oscillator and buffer amplifier circuits or the like
US2875284A (en) * 1955-12-22 1959-02-24 Honeywell Regulator Co Electrical amplifying means
US2888525A (en) * 1956-03-02 1959-05-26 Emerson Electric Mfg Co Telescopic voltage amplifier
US2879412A (en) * 1956-04-26 1959-03-24 Westinghouse Electric Corp Zener diode cross coupled bistable triggered circuit
US2850631A (en) * 1956-06-29 1958-09-02 Burroughs Corp Frequency modulating transducer
US2846583A (en) * 1956-12-18 1958-08-05 Gen Precision Lab Inc Voltage controlled multivibrator oscillator
US2846584A (en) * 1957-01-02 1958-08-05 Rca Corp Synchronized oscillator

Also Published As

Publication number Publication date
US2994833A (en) 1961-08-01

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