Frequency-stabilizing system for generator of microwave oscillations
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United States of America Patent
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-
Oct 19, 1982
Issued Date -
N/A
app pub date -
Apr 22, 1980
filing date -
Mar 7, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A carrier oscillation in the microwave range is stabilized by a sequence of timing pulses produced by a crystal-controlled reference oscillator whose cadence is an aliquot fraction of the nominal carrier frequency. The pulses are used to obtain two phase-representing amplitude samples of the carrier wave from a pair of mutually phase-shifted pilot oscillations of the same frequency in each of a succession of nonconsecutive cycles thereof; a control voltage derived from these amplitude samples is fed back to the microwave oscillator via a frequency-correcting or phase-locking loop.
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