Rotary traveling wave oscillators with distributed stubs
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United States of America Patent
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Dec 13, 2022
Grant Date -
Mar 25, 2021
app pub date -
Jul 22, 2020
filing date -
Sep 19, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Rotary traveling wave oscillators (RTWOs) with distributed stubs are provided. In certain embodiments, an RTWO includes segments that are implemented using distributed stubs to mitigate flicker noise upconversion arising from transmission line dispersion. For example, a distance between the distributed stubs can be selected to intentionally generate a phase difference between transmission line modes, thereby cancelling out phase shifts due to transmission line dispersion. In particular, each segment is subdivided into multiple transmission line sections with a maintaining amplifier electrically connected to one of the sections and a tuning capacitor array connected to adjacent transmission line sections.
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