Frequency stabilizing device
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United States of America Patent
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Oct 24, 1995
Grant Date -
N/A
app pub date -
May 18, 1994
filing date -
May 18, 1993
priority date (Note) -
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Abstract
An intermediate frequency (IF) converter converts a received signal to an IF signal. A demodulator demodulates the IF signal to a demodulated signal and detects a phase error. A frequency error detector detects a frequency error based on the phase error. A modulated-carrier detector detects a modulated carrier component from the IF signal. When the modulated carrier component is detected, a controller achieves a frequency stabilizing operation based on the frequency error.
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