CIRCUIT FOR PHASE COMPARISON

An apparatus and method for phase comparison wherein a local oscillator generates a delta voltage containing a D.C. component. The delta voltage is compared with a threshold voltage derived from the delta voltage, resulting in a control signal the polarity of which depends on the outcome of the comp...

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Bibliographic Details
Main Authors GERLACH A,DT, BURTH R,DT
Format Patent
LanguageEnglish
Published 26.06.1973
Subjects
BASIC ELECTRONIC CIRCUITRY
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:An apparatus and method for phase comparison wherein a local oscillator generates a delta voltage containing a D.C. component. The delta voltage is compared with a threshold voltage derived from the delta voltage, resulting in a control signal the polarity of which depends on the outcome of the comparison. This control signal sets the frequency of the local oscillator.
Bibliography:Application Number: USD3742249