FR843184A - High frequency amplifier - Google Patents

High frequency amplifier

Info

Publication number
FR843184A
FR843184A FR843184DA FR843184A FR 843184 A FR843184 A FR 843184A FR 843184D A FR843184D A FR 843184DA FR 843184 A FR843184 A FR 843184A
Authority
FR
France
Prior art keywords
high frequency
frequency amplifier
amplifier
frequency
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 FR843184A publication Critical patent/FR843184A/en
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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/12—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means
    • H03F1/13—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means in discharge-tube amplifiers
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
    • H03F1/16—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
  • Filters And Equalizers (AREA)
FR843184D 1937-09-11 1938-09-08 High frequency amplifier Expired FR843184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN41142D DE734230C (en) 1937-09-11 1937-09-11 Radio receiver with loss compensation

Publications (1)

Publication Number Publication Date
FR843184A true FR843184A (en) 1939-06-27

Family

ID=7348337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843184D Expired FR843184A (en) 1937-09-11 1938-09-08 High frequency amplifier

Country Status (6)

Country Link
US (1) US2257570A (en)
BE (1) BE430082A (en)
DE (1) DE734230C (en)
FR (1) FR843184A (en)
GB (1) GB500790A (en)
NL (1) NL57282C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7863978B1 (en) * 2009-09-11 2011-01-04 Harris Corporation RF amplifier system for neutralizing internal capacitance in a cavity

Also Published As

Publication number Publication date
US2257570A (en) 1941-09-30
GB500790A (en) 1939-02-15
BE430082A (en) 1938-10-31
DE734230C (en) 1943-04-10
NL57282C (en) 1946-04-15

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