Heterolithic voltage controlled oscillator
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United States of America Patent
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-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Jul 9, 1997
filing date -
Jul 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A voltage controlled oscillator includes a varactor (201) and a transistor (202) and a ground via (203), of epitaxially grown silicon that is etched to provide respective pedestals embodying the varactor (201) and the transistor (202) and the ground via (203), an L-C resonator circuit, the varactor (201) and an inductor providing a tank circuit that changes the frequency of the L-C resonator circuit, and that shifts the average frequency of the oscillator to that of an input voltage to the collector of the transistor (202).
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