ZA723452B - A circuit arrangement for the variation of the frequency of a controllable oscillator - Google Patents

A circuit arrangement for the variation of the frequency of a controllable oscillator

Info

Publication number
ZA723452B
ZA723452B ZA723452A ZA723452A ZA723452B ZA 723452 B ZA723452 B ZA 723452B ZA 723452 A ZA723452 A ZA 723452A ZA 723452 A ZA723452 A ZA 723452A ZA 723452 B ZA723452 B ZA 723452B
Authority
ZA
South Africa
Prior art keywords
variation
frequency
circuit arrangement
controllable oscillator
oscillator
Prior art date
Application number
ZA723452A
Inventor
H Tucholski
Original Assignee
Blaupunkt Werke Gmbh
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 Blaupunkt Werke Gmbh filed Critical Blaupunkt Werke Gmbh
Publication of ZA723452B publication Critical patent/ZA723452B/en

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
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/45—Generation or recovery of colour sub-carriers
ZA723452A 1971-05-22 1972-05-19 A circuit arrangement for the variation of the frequency of a controllable oscillator ZA723452B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2125448A DE2125448B2 (en) 1971-05-22 1971-05-22 Circuit arrangement for changing the frequency of a controllable oscillator

Publications (1)

Publication Number Publication Date
ZA723452B true ZA723452B (en) 1973-03-28

Family

ID=5808629

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723452A ZA723452B (en) 1971-05-22 1972-05-19 A circuit arrangement for the variation of the frequency of a controllable oscillator

Country Status (5)

Country Link
AT (1) AT313386B (en)
DE (1) DE2125448B2 (en)
GB (1) GB1395251A (en)
IT (1) IT957979B (en)
ZA (1) ZA723452B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111535B1 (en) * 1982-06-14 1990-08-22 Western Electric Company, Incorporated Method of recovering timing signals

Also Published As

Publication number Publication date
GB1395251A (en) 1975-05-21
DE2125448C3 (en) 1974-09-19
DE2125448A1 (en) 1972-11-30
IT957979B (en) 1973-10-20
DE2125448B2 (en) 1974-02-21
AT313386B (en) 1974-02-11

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