FR1123590A - Adjustable transistor amplifier - Google Patents

Adjustable transistor amplifier

Info

Publication number
FR1123590A
FR1123590A FR1123590DA FR1123590A FR 1123590 A FR1123590 A FR 1123590A FR 1123590D A FR1123590D A FR 1123590DA FR 1123590 A FR1123590 A FR 1123590A
Authority
FR
France
Prior art keywords
transistor amplifier
adjustable transistor
adjustable
amplifier
transistor
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
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1123590A publication Critical patent/FR1123590A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
FR1123590D 1954-05-11 1955-05-09 Adjustable transistor amplifier Expired FR1123590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1123590X 1954-05-11

Publications (1)

Publication Number Publication Date
FR1123590A true FR1123590A (en) 1956-09-24

Family

ID=19869702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1123590D Expired FR1123590A (en) 1954-05-11 1955-05-09 Adjustable transistor amplifier

Country Status (1)

Country Link
FR (1) FR1123590A (en)

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