Enhanced frequency agile radio
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United States of America Patent
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Jan 1, 2002
Issued Date -
N/A
app pub date -
Nov 2, 1999
filing date -
May 8, 1992
priority date (Note) -
Expired
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Abstract
A method utilizing intentionally generated in-band frequency harmonics to compensate for frequency error and frequency drift in a voltage controlled oscillator of a receiver, thereby eliminating the frequency synthesizer and RF divider required in conventional designs. The method includes modulating the intentionally generated frequency in a predetermined manner so that a receiver can identify the intentionally generated frequency and includes the use of plural frequency harmonics for use in a curve fitting technique to correct frequency error in the voltage controlled oscillator.
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