who can tell me how to simulate differential vco in cadence?

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pigkiller

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Since i wanna simulate diff vco in cds,both transient & pss analysis.
but i can't find any ossilation.
who can tell me if i want simulate diff vco,an additional pulse sourse is really a must?
anyone can give me a scheme to show me how to set up simulations of vco in cds.thanks in advance!
 

Re: who can tell me how to simulate differential vco in cade

Put initial conditions on the output terminals. pick them such that they are of the form Vdd+delta and Vdd-delta
 

LC VCO? Ring? which typy?
 

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