DIGITAL FREQUENCY SYNTHESIZER HAVING AFC AND MODULATION APPLIED TO FREQUENCY DIVIDER

A fractional-N frequency synthesizer (103), realizes automatic frequency control by adding in a modulation processing circuit (215) a digital representation of a determined frequency offset to a digital representation of applied modulation to create the modulus control of a programmable frequency di...

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Bibliographic Details
Main Authors PATRICK J MARRY, ALEXANDER W HIETALA
Format Patent
LanguageEnglish
Published 26.05.1993
Subjects
AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
BASIC ELECTRONIC CIRCUITRY
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER
ELECTRICITY
MODULATION
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Summary:A fractional-N frequency synthesizer (103), realizes automatic frequency control by adding in a modulation processing circuit (215) a digital representation of a determined frequency offset to a digital representation of applied modulation to create the modulus control of a programmable frequency divider (203).
Bibliography:Application Number: GB19920025942