Frequency synthesizer using a phase-locked loop and single side band mixer
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United States of America Patent
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Nov 10, 2009
Grant Date -
N/A
app pub date -
Mar 29, 2007
filing date -
Mar 29, 2007
priority date (Note) -
Expired
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Abstract
A frequency synthesizer is built using a phase locked loop incorporating a single side band mixer either in the feedback loop or in the input. The single side band mixer is preferably realized with digital logic and FETs, and the resulting frequency synthesizer simultaneously improves control over the frequency resolution, noise floor and operating frequency range.
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