FR879639A - Perfectionnements aux lampes cathodiques amplificatrices - Google Patents

Perfectionnements aux lampes cathodiques amplificatrices

Info

Publication number
FR879639A
FR879639A FR879639DA FR879639A FR 879639 A FR879639 A FR 879639A FR 879639D A FR879639D A FR 879639DA FR 879639 A FR879639 A FR 879639A
Authority
FR
France
Prior art keywords
ray lamps
amplifying
cathode
amplifying cathode
lamps
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR879639A publication Critical patent/FR879639A/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
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Insulated Gate Type Field-Effect Transistor (AREA)
FR879639D 1939-03-22 1940-05-15 Perfectionnements aux lampes cathodiques amplificatrices Expired FR879639A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9015/39A GB528179A (en) 1939-03-22 1939-03-22 Improvements in or relating to thermionic valve amplifiers

Publications (1)

Publication Number Publication Date
FR879639A true FR879639A (fr) 1943-03-01

Family

ID=9863707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879639D Expired FR879639A (fr) 1939-03-22 1940-05-15 Perfectionnements aux lampes cathodiques amplificatrices

Country Status (3)

Country Link
US (1) US2302798A (fr)
FR (1) FR879639A (fr)
GB (1) GB528179A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732440A (en) * 1956-01-24 newman
US2421784A (en) * 1943-02-24 1947-06-10 Rca Corp Ultra high frequency apparatus
US2489266A (en) * 1945-09-14 1949-11-29 Farnsworth Res Corp Cathode-coupled amplifier
NL80101C (fr) * 1946-05-17
FR959970A (fr) * 1946-10-18 1950-04-07
US2500141A (en) * 1946-11-09 1950-03-07 Operadio Mfg Company Intercommunication system
US2598326A (en) * 1946-11-20 1952-05-27 Emi Ltd Negative feedback amplifier
US2598259A (en) * 1948-09-04 1952-05-27 Ephraim W Hogue Signal amplifying system
US2658957A (en) * 1949-03-26 1953-11-10 Rca Corp Degeneratively stabilized amplifier circuit
BE558064A (fr) * 1951-10-18
US2913181A (en) * 1956-02-09 1959-11-17 Leeder Jacob Electronic scaling apparatus in analog computers
US2930936A (en) * 1956-08-02 1960-03-29 M aker
US3487325A (en) * 1967-08-23 1969-12-30 Bell Telephone Labor Inc Hybrid feedback amplifier

Also Published As

Publication number Publication date
GB528179A (en) 1940-10-24
US2302798A (en) 1942-11-24

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