FR885234A - Assembly intended for the amplification or production of very high frequency electrical oscillations - Google Patents

Assembly intended for the amplification or production of very high frequency electrical oscillations

Info

Publication number
FR885234A
FR885234A FR885234DA FR885234A FR 885234 A FR885234 A FR 885234A FR 885234D A FR885234D A FR 885234DA FR 885234 A FR885234 A FR 885234A
Authority
FR
France
Prior art keywords
amplification
production
high frequency
frequency electrical
electrical oscillations
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 FR885234A publication Critical patent/FR885234A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J25/32—Tubes with plural reflection, e.g. Coeterier tube
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/163—Special arrangements for the reduction of the damping of resonant circuits of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microwave Tubes (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
FR885234D 1941-08-20 1942-08-18 Assembly intended for the amplification or production of very high frequency electrical oscillations Expired FR885234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL242748X 1941-08-20

Publications (1)

Publication Number Publication Date
FR885234A true FR885234A (en) 1943-09-08

Family

ID=19780670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR885234D Expired FR885234A (en) 1941-08-20 1942-08-18 Assembly intended for the amplification or production of very high frequency electrical oscillations

Country Status (4)

Country Link
US (1) US2439638A (en)
CH (1) CH242748A (en)
FR (1) FR885234A (en)
GB (1) GB610120A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2629821A (en) * 1945-06-07 1953-02-24 La Verne R Philpott High-frequency signal translation circuit
US2676302A (en) * 1950-12-14 1954-04-20 Rca Corp Frequency modulation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945040A (en) * 1926-12-14 1934-01-30 Philips Nv Means for amplifying electric oscillations
FR747364A (en) * 1932-02-01 1933-06-15 Telefunken Gmbh Improvements to modulation assemblies for shortwave generators
US2068388A (en) * 1932-03-23 1937-01-19 Telefunken Gmbh Electron tube in a retarding field circuit
US2061733A (en) * 1932-08-31 1936-11-24 Telefunken Gmbh Thermionic device
US2139230A (en) * 1935-04-13 1938-12-06 Bell Telephone Labor Inc High efficiency oscillator of the barkhausen type

Also Published As

Publication number Publication date
US2439638A (en) 1948-04-13
GB610120A (en) 1948-10-12
CH242748A (en) 1946-05-31

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