Tuning circuit for a YIG oscillator
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United States of America Patent
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-
Sep 2, 2003
Grant Date -
Jan 17, 2002
app pub date -
Jun 12, 2001
filing date -
Jul 14, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In the case of a tuning circuit for a YIG oscillator, wherein the output frequency of the YIG oscillator which is reduced by a frequency divider or mixer is compared in a phase detector with a lower reference frequency and via a loop filter the output voltage of the phase detector feeds the air-cored coil of the YIG oscillator serving for fine tuning, the main coil of the YIG oscillator is also fed by the output voltage of the phase detector.
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