Multi-phase voltage-control oscillator
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United States of America Patent
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Apr 5, 2011
Grant Date -
Sep 17, 2009
app pub date -
Apr 29, 2009
filing date -
Nov 7, 2006
priority date (Note) -
Expired
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Abstract
A multi-phase voltage-control oscillator including a first voltage-control oscillator circuit and a second voltage-control oscillator circuit is provided. The second voltage-control oscillator circuit and the first voltage-control oscillator circuit have a plurality of inductors, and the inductors in the second voltage-control oscillator circuit are respectively cross-coupled with the inductors in the first voltage-control oscillator circuit to generate a mutual inductance effect, so as to output a plurality of oscillating signals with different phases.
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