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cmrr of ring oscillator

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zitty

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hello,

i want to simulate the cmrr of a ringoscillator.
does anyone have an idea how to set up a simulation with cadence?

regards zitty
 
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Re: cmrr of ringoscillator

What's the cmrr for? Ring osc is voltage controlled osc and cmrr is for the controlling voltage?
 

Re: cmrr of ringoscillator

The question seems unclear. CMRR can play a role for a differential ring oscillator topology.
 

Re: cmrr of ringoscillator

yes i want to see the effect of common mode noise on the control voltage on the oscillation frequency for different input frequencies.

my delay cell thereby is a differential cell.
 

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