FR843477A - Electric wave amplifier systems - Google Patents

Electric wave amplifier systems

Info

Publication number
FR843477A
FR843477A FR843477DA FR843477A FR 843477 A FR843477 A FR 843477A FR 843477D A FR843477D A FR 843477DA FR 843477 A FR843477 A FR 843477A
Authority
FR
France
Prior art keywords
electric wave
wave amplifier
amplifier systems
systems
electric
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 FR843477A publication Critical patent/FR843477A/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
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G3/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR843477D 1937-09-16 1938-09-14 Electric wave amplifier systems Expired FR843477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US164154A US2223167A (en) 1937-09-16 1937-09-16 Electric wave amplifier

Publications (1)

Publication Number Publication Date
FR843477A true FR843477A (en) 1939-07-04

Family

ID=22593216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843477D Expired FR843477A (en) 1937-09-16 1938-09-14 Electric wave amplifier systems

Country Status (2)

Country Link
US (1) US2223167A (en)
FR (1) FR843477A (en)

Also Published As

Publication number Publication date
US2223167A (en) 1940-11-26

Similar Documents

Publication Publication Date Title
FR842933A (en) Guided wave system
FR836633A (en) Antenna systems
FR847331A (en) Electric wave distance determination systems
FR912523A (en) Electric wave transmission systems
FR906932A (en) Electric wave transmission systems
FR884047A (en) Electric wave amplifier systems
FR839582A (en) Amplifier systems
FR860972A (en) Electric wave transmission systems
FR854976A (en) Electric wave transmission systems
FR865592A (en) Electric wave amplifier systems
FR49495E (en) Electric wave translator systems
FR841763A (en) Electric wave amplifying devices
FR870440A (en) Electric wave amplifiers
FR831751A (en) Wave amplifier systems
FR850909A (en) Electric wave modulator systems
FR854917A (en) Electric wave amplifier systems
FR870095A (en) Electric wave amplifiers
FR831810A (en) Improvements to electrical alarm systems
FR843477A (en) Electric wave amplifier systems
FR835891A (en) Electric wave amplifier systems
FR839203A (en) Amplifier systems
FR844539A (en) Wave filters
FR847653A (en) Amplifier systems
FR884050A (en) Electric wave amplifier systems
FR846761A (en) Electric wave amplifiers