FR1011863A - Amplificateur à large bande utilisant des cristaux semi-conducteurs - Google Patents

Amplificateur à large bande utilisant des cristaux semi-conducteurs

Info

Publication number
FR1011863A
FR1011863A FR1011863DA FR1011863A FR 1011863 A FR1011863 A FR 1011863A FR 1011863D A FR1011863D A FR 1011863DA FR 1011863 A FR1011863 A FR 1011863A
Authority
FR
France
Prior art keywords
semiconductor crystals
broadband amplifier
broadband
amplifier
crystals
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)
French (fr)
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.)
Compagnie des Freins et Signaux Westinghouse SA
Original Assignee
Compagnie des Freins et Signaux Westinghouse SA
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 Compagnie des Freins et Signaux Westinghouse SA filed Critical Compagnie des Freins et Signaux Westinghouse SA
Application granted granted Critical
Publication of FR1011863A publication Critical patent/FR1011863A/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
    • H03F3/34—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)
FR1011863D 1949-04-07 1949-04-07 Amplificateur à large bande utilisant des cristaux semi-conducteurs Expired FR1011863A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1011863A true FR1011863A (fr) 1952-07-01

Family

ID=9570302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1011863D Expired FR1011863A (fr) 1949-04-07 1949-04-07 Amplificateur à large bande utilisant des cristaux semi-conducteurs

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
CH286259A (fr) 1952-10-15
BE494593A (nl)
GB717961A (en) 1954-11-03

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