GB445543A - Improvements in or relating to electrical high frequency oscillating circuit arrangements - Google Patents

Improvements in or relating to electrical high frequency oscillating circuit arrangements

Info

Publication number
GB445543A
GB445543A GB26464/34A GB2646434A GB445543A GB 445543 A GB445543 A GB 445543A GB 26464/34 A GB26464/34 A GB 26464/34A GB 2646434 A GB2646434 A GB 2646434A GB 445543 A GB445543 A GB 445543A
Authority
GB
United Kingdom
Prior art keywords
circuit
frequency
reactance
branch
control grid
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
GB26464/34A
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.)
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
Priority to BE411275D priority Critical patent/BE411275A/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB26464/34A priority patent/GB445543A/en
Priority to FR794733D priority patent/FR794733A/fr
Priority to US44045A priority patent/US2097937A/en
Publication of GB445543A publication Critical patent/GB445543A/en
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)
  • Burglar Alarm Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
GB26464/34A 1934-09-14 1934-09-14 Improvements in or relating to electrical high frequency oscillating circuit arrangements Expired GB445543A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE411275D BE411275A (enrdf_load_stackoverflow) 1934-09-14
GB26464/34A GB445543A (en) 1934-09-14 1934-09-14 Improvements in or relating to electrical high frequency oscillating circuit arrangements
FR794733D FR794733A (fr) 1934-09-14 1935-09-12 Perfectionnements aux montages de circuits oscillants à haute fréquence
US44045A US2097937A (en) 1934-09-14 1935-10-08 High frequency oscillating circuit

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
GB445543A true GB445543A (en) 1936-04-14

Family

ID=10244047

Family Applications (1)

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

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965854C (de) * 1945-06-14 1957-06-27 Rca Corp Detektor fuer frequenz- oder phasenmodulierte Spannungen
DE977658C (de) * 1945-09-07 1968-01-25 Rca Corp Detektor fuer phasenwinkelmodulierte Traegerfrequenzspannungen

Families Citing this family (5)

* 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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965854C (de) * 1945-06-14 1957-06-27 Rca Corp Detektor fuer frequenz- oder phasenmodulierte Spannungen
DE977658C (de) * 1945-09-07 1968-01-25 Rca Corp Detektor fuer phasenwinkelmodulierte Traegerfrequenzspannungen

Also Published As

Publication number Publication date
BE411275A (enrdf_load_stackoverflow)
US2097937A (en) 1937-11-02
FR794733A (fr) 1936-02-24

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