ZA728420B - Radio frequency circuit - Google Patents

Radio frequency circuit

Info

Publication number
ZA728420B
ZA728420B ZA728420A ZA728420A ZA728420B ZA 728420 B ZA728420 B ZA 728420B ZA 728420 A ZA728420 A ZA 728420A ZA 728420 A ZA728420 A ZA 728420A ZA 728420 B ZA728420 B ZA 728420B
Authority
ZA
South Africa
Prior art keywords
radio frequency
frequency circuit
circuit
radio
frequency
Prior art date
Application number
ZA728420A
Inventor
R Schimmeyer
H Pieren
Original Assignee
Standard Telephones Cables 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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA728420B publication Critical patent/ZA728420B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
ZA728420A 1971-12-10 1972-11-28 Radio frequency circuit ZA728420B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712161478 DE2161478B2 (en) 1971-12-10 1971-12-10 HIGH FREQUENCY RECEIVING CIRCUIT, IN PARTICULAR TELEVISION RECEIVER WITH AUTOMATIC FREQUENCY CONTROL

Publications (1)

Publication Number Publication Date
ZA728420B true ZA728420B (en) 1973-07-25

Family

ID=5827668

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728420A ZA728420B (en) 1971-12-10 1972-11-28 Radio frequency circuit

Country Status (4)

Country Link
DE (1) DE2161478B2 (en)
FR (1) FR2162611B1 (en)
GB (1) GB1401357A (en)
ZA (1) ZA728420B (en)

Also Published As

Publication number Publication date
DE2161478A1 (en) 1973-06-14
DE2161478B2 (en) 1977-11-03
AU4959172A (en) 1974-06-06
FR2162611B1 (en) 1980-04-04
FR2162611A1 (en) 1973-07-20
GB1401357A (en) 1975-07-16

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