CLOCK GENERATOR AND METHOD OF CLOCK GENERATION
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United States of America
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Issued Date -
Feb 20, 2025
app pub date -
Aug 13, 2024
filing date -
Aug 13, 2024
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Abstract
The present disclosure relates to a clock generator comprising: a ring oscillator configured to generate an output frequency signal; a frequency detector configured to compare a frequency of the output frequency signal with r times a frequency of a reference frequency signal and to generate a feedback signal; and a control circuit configured to: control a loop delay parameter of the ring oscillator and a supply voltage of the ring oscillator based on the feedback signal; reduce the frequency of the output frequency signal when its frequency is higher than r times the frequency of the reference frequency signal by reducing the supply voltage; and increase the frequency of the output frequency signal when its frequency is lower than r times the frequency of the reference frequency signal by reducing the loop delay parameter.
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