CH286259A - Amplificateur à plusieurs étages comportant des semi-conducteurs comme éléments amplificateurs. - Google Patents

Amplificateur à plusieurs étages comportant des semi-conducteurs comme éléments amplificateurs.

Info

Publication number
CH286259A
CH286259A CH286259DA CH286259A CH 286259 A CH286259 A CH 286259A CH 286259D A CH286259D A CH 286259DA CH 286259 A CH286259 A CH 286259A
Authority
CH
Switzerland
Prior art keywords
semiconductors
amplifying elements
multistage amplifier
multistage
amplifier
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Compagnie Des Fre Westinghouse
Original Assignee
Westinghouse Freins & Signaux
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 Westinghouse Freins & Signaux filed Critical Westinghouse Freins & Signaux
Publication of CH286259A publication Critical patent/CH286259A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • 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
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
CH286259D 1949-04-07 1950-03-20 Amplificateur à plusieurs étages comportant des semi-conducteurs comme éléments amplificateurs. CH286259A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1011863T 1949-04-07

Publications (1)

Publication Number Publication Date
CH286259A true CH286259A (fr) 1952-10-15

Family

ID=9570302

Family Applications (1)

Application Number Title Priority Date Filing Date
CH286259D CH286259A (fr) 1949-04-07 1950-03-20 Amplificateur à plusieurs étages comportant des semi-conducteurs comme éléments amplificateurs.

Country Status (4)

Country Link
BE (1) BE494593A (nl)
CH (1) CH286259A (nl)
FR (1) FR1011863A (nl)
GB (1) GB717961A (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999984A (en) * 1956-02-13 1961-09-12 Honeywell Regulator Co Series-energized cascaded transistor amplifier

Also Published As

Publication number Publication date
GB717961A (en) 1954-11-03
BE494593A (nl)
FR1011863A (fr) 1952-07-01

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