FR870440A - Electric wave amplifiers - Google Patents

Electric wave amplifiers

Info

Publication number
FR870440A
FR870440A FR870440DA FR870440A FR 870440 A FR870440 A FR 870440A FR 870440D A FR870440D A FR 870440DA FR 870440 A FR870440 A FR 870440A
Authority
FR
France
Prior art keywords
electric wave
wave amplifiers
amplifiers
electric
wave
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR870440A publication Critical patent/FR870440A/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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback 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
    • H03F1/42—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR870440D 1939-10-12 1941-02-27 Electric wave amplifiers Expired FR870440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US299065A US2231374A (en) 1939-10-12 1939-10-12 Negative feedback amplifier

Publications (1)

Publication Number Publication Date
FR870440A true FR870440A (en) 1942-03-11

Family

ID=23153168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870440D Expired FR870440A (en) 1939-10-12 1941-02-27 Electric wave amplifiers

Country Status (5)

Country Link
US (1) US2231374A (en)
BE (1) BE441790A (en)
FR (1) FR870440A (en)
GB (1) GB540630A (en)
NL (2) NL108864B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB575639A (en) * 1943-12-14 1946-02-27 Bertram Morton Hadfield Improvements in or relating to thermionic valve amplifiers
US2428363A (en) * 1944-07-26 1947-10-07 Bell Telephone Labor Inc Negative feed-back amplifier
US2692377A (en) * 1946-01-16 1954-10-19 Jr George A Brettell Position plotter
US2658958A (en) * 1949-07-16 1953-11-10 Wilcox Gay Corp Negative feedback frequency response compensation amplifier system
US2865986A (en) * 1953-08-03 1958-12-23 Louis W Parker High power frequency discriminator
US3443096A (en) * 1964-02-29 1969-05-06 Hitachi Ltd Circuit arrangement for use in radiation measurements and the like purposes

Also Published As

Publication number Publication date
BE441790A (en) 1941-07-31
NL108864B (en)
NL69414C (en) 1952-02-15
GB540630A (en) 1941-10-23
US2231374A (en) 1941-02-11

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