FR849835A - Perfectionnements aux montages pour ondes ultra-courtes - Google Patents

Perfectionnements aux montages pour ondes ultra-courtes

Info

Publication number
FR849835A
FR849835A FR849835DA FR849835A FR 849835 A FR849835 A FR 849835A FR 849835D A FR849835D A FR 849835DA FR 849835 A FR849835 A FR 849835A
Authority
FR
France
Prior art keywords
ultra
short wave
wave assemblies
assemblies
short
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR849835A publication Critical patent/FR849835A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum 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
    • 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
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Amplifiers (AREA)
FR849835D 1938-02-05 1939-02-04 Perfectionnements aux montages pour ondes ultra-courtes Expired FR849835A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE849813X 1938-02-05

Publications (1)

Publication Number Publication Date
FR849835A true FR849835A (fr) 1939-12-02

Family

ID=6775958

Family Applications (2)

Application Number Title Priority Date Filing Date
FR849813D Expired FR849813A (fr) 1938-02-05 1939-02-03 Régulateur de tonalité d'un amplificateur basse fréquence
FR849835D Expired FR849835A (fr) 1938-02-05 1939-02-04 Perfectionnements aux montages pour ondes ultra-courtes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR849813D Expired FR849813A (fr) 1938-02-05 1939-02-03 Régulateur de tonalité d'un amplificateur basse fréquence

Country Status (3)

Country Link
US (1) US2257274A (fr)
FR (2) FR849813A (fr)
GB (1) GB510226A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511362A (en) * 1938-12-20 1950-06-13 Mercier Jean Aircraft variable area wings using landing gear fairings
US2453489A (en) * 1944-08-12 1948-11-09 Gen Electric Ultra high frequency oscillator
US2756334A (en) * 1950-09-28 1956-07-24 Hupp Corp High frequency circuits and oscillators
US2843828A (en) * 1951-10-18 1958-07-15 Avco Mfg Corp Ultra-high-frequency converter for very-high-frequency television receiver

Also Published As

Publication number Publication date
US2257274A (en) 1941-09-30
FR849813A (fr) 1939-12-02
GB510226A (en) 1939-07-28

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