Oscillator apparatus
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 13, 2021
Grant Date -
Feb 27, 2020
app pub date -
Oct 31, 2019
filing date -
Oct 31, 2019
priority date (Note) -
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Abstract
Methods and apparatus generate an oscillating output signal having a voltage swing greater than a voltage swing across nodes of active devices. An example oscillator includes a tank to generate an oscillating output signal in response receiving an edge of an enable signal; a feedback generator including a first gain stage forming a first feedback loop with the tank, the first feedback loop providing a first charge to maintain the oscillating output signal and a second gain stage forming a second feedback loop with the tank, the second feedback loop providing a second charge to maintain the oscillating output signal, the first and second charges combining with the oscillating output signal to generate a high voltage swing; and an attenuator connected between the tank and the feedback generator to isolate the tank from active components of the feedback generator.
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