FR1119489A - Amplificateur à transisteur, à amplification réglable - Google Patents

Amplificateur à transisteur, à amplification réglable

Info

Publication number
FR1119489A
FR1119489A FR1119489DA FR1119489A FR 1119489 A FR1119489 A FR 1119489A FR 1119489D A FR1119489D A FR 1119489DA FR 1119489 A FR1119489 A FR 1119489A
Authority
FR
France
Prior art keywords
transistor amplifier
adjustable amplification
amplification
adjustable
amplifier
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.)
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 FR1119489A publication Critical patent/FR1119489A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • H03G3/12—Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR1119489D 1954-02-23 1955-02-21 Amplificateur à transisteur, à amplification réglable Expired FR1119489A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL765398X 1954-02-23

Publications (1)

Publication Number Publication Date
FR1119489A true FR1119489A (fr) 1956-06-20

Family

ID=19827600

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1119489D Expired FR1119489A (fr) 1954-02-23 1955-02-21 Amplificateur à transisteur, à amplification réglable

Country Status (2)

Country Link
FR (1) FR1119489A (fr)
GB (1) GB765398A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7902920B1 (en) * 2009-09-10 2011-03-08 Media Tek Singapore Pte. Ltd. Amplifier circuit, integrated circuit and radio frequency communication unit
US7952430B1 (en) 2009-09-10 2011-05-31 Mediatek Singapore Pte. Ltd. Amplifier circuit, integrated circuit and radio frequency communication unit
US8503960B2 (en) 2011-07-29 2013-08-06 Mediatek Singapore Pte. Ltd. Amplifier and associated receiver

Also Published As

Publication number Publication date
GB765398A (en) 1957-01-09

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