FR794733A - Perfectionnements aux montages de circuits oscillants à haute fréquence - Google Patents

Perfectionnements aux montages de circuits oscillants à haute fréquence

Info

Publication number
FR794733A
FR794733A FR794733DA FR794733A FR 794733 A FR794733 A FR 794733A FR 794733D A FR794733D A FR 794733DA FR 794733 A FR794733 A FR 794733A
Authority
FR
France
Prior art keywords
high frequency
frequency oscillating
oscillating circuits
circuits
oscillating
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)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR794733A publication Critical patent/FR794733A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube
    • 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
    • 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
    • H04B1/30—Circuits for homodyne or synchrodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Burglar Alarm Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
FR794733D 1934-09-14 1935-09-12 Perfectionnements aux montages de circuits oscillants à haute fréquence Expired FR794733A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26464/34A GB445543A (en) 1934-09-14 1934-09-14 Improvements in or relating to electrical high frequency oscillating circuit arrangements

Publications (1)

Publication Number Publication Date
FR794733A true FR794733A (fr) 1936-02-24

Family

ID=10244047

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794733D Expired FR794733A (fr) 1934-09-14 1935-09-12 Perfectionnements aux montages de circuits oscillants à haute fréquence

Country Status (4)

Country Link
US (1) US2097937A (OSRAM)
BE (1) BE411275A (OSRAM)
FR (1) FR794733A (OSRAM)
GB (1) GB445543A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429762A (en) * 1944-02-05 1947-10-28 Rca Corp Combined frequency modulation and amplitude modulation detector circuits
BE475237A (OSRAM) * 1945-06-14
DE977658C (de) * 1945-09-07 1968-01-25 Rca Corp Detektor fuer phasenwinkelmodulierte Traegerfrequenzspannungen
US2533496A (en) * 1946-04-18 1950-12-12 Motorola Inc Low-level bridge discriminator
US2773181A (en) * 1951-10-25 1956-12-04 Westinghouse Electric Corp Frequency discriminator system
US2794912A (en) * 1953-09-23 1957-06-04 Gen Electric Frequency modulation detector
US2836716A (en) * 1953-09-23 1958-05-27 Gen Electric Angle modulation detector

Also Published As

Publication number Publication date
US2097937A (en) 1937-11-02
BE411275A (OSRAM)
GB445543A (en) 1936-04-14

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