Kcco of Current Controlled Ring Oscillator

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JohnLai

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Hi, Folks,

I observed non-linear relationship of oscillation frequency vs. supply current in a simple 3-stage single-ended ring oscillator as shown in the attached plot. Can anyone explain or provide reference to derive this relationship.

Thanks.


 

Since it is a simple oscillator, It can be referenced as like as MOS current frequency variation. Since a mos can produce oscillations according to the current flowing through it.

Thanks
 

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