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How to model a VCO with phase noise in Cadence or ADS?

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hebu

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I would like to simulate a VCO with phase noise, and see the result of it
demodulated by FM demodulator.

I want to perform it in cadence or ADS. anybody has the idea how to do it?
any behavioral model I can use?

thanks,
 

hebu

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I'm sorry for my missleading. I needn't design a vco and get its phase noise.
What I want is to represent a vco with an user specified phase noise in Cadence
or ADS.
I would like to know the relation between phase noise and SNR of which the
carrier is demodulated by a FM demodulator.
 

zhangjavier

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I think you can define the phase noise in the VCO model
 

hebu

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Re: How to model a VCO with phase noise in Cadence or @DS?

zhangjavier said:
I think you can define the phase noise in the VCO model
Did you mean the VCO model of @DS?

Thanks,
 

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