APPARATUS AND METHOD FOR CALIBRATING THE FREQUENCY OF AN OSCILLATOR IN RESPONSE TO AN EXTERNAL SIGNAL

APPARATUS AND METHOD FOR CALIBRATING THE FREQUENCY OF AN OSCILLATOR IN RESPONSE TO AN EXTERNAL SIGNAL

A frequency calibrator includes an input signal generator configured to generate an input signal based on an oscillation signal and an external signal; a frequency difference extractor configured to extract, from the input signal, a frequency difference signal having a frequency corresponding to a f...

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1. Verfasser: YUN, Seok Ju
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Sprache:eng ; fre ; ger
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AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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description A frequency calibrator includes an input signal generator configured to generate an input signal based on an oscillation signal and an external signal; a frequency difference extractor configured to extract, from the input signal, a frequency difference signal having a frequency corresponding to a frequency difference between an external frequency of the external signal and an oscillation frequency of the oscillation signal; a divider configured to generate a division signal by dividing a signal having the oscillation frequency by a division ratio; and a frequency tuner configured to tune the oscillation frequency of the oscillation signal based on a result of comparing the frequency difference signal to the division signal.
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subjects AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
title APPARATUS AND METHOD FOR CALIBRATING THE FREQUENCY OF AN OSCILLATOR IN RESPONSE TO AN EXTERNAL SIGNAL
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