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Does PSS simulation in cadence inclulde noise

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rf_ray

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In mixer we usually use PSS simulation to evaluate the conversion gain/loss.

But seems some noise is not included.
 

I don't remember if with PSS analysis you can find noise but you can select the analysis NOISE and see the results in Results=>Print=>Noise Summary
 

No, the PSS itself doesn't include noise simulation.
 

PSS is to compute the transient operation point , i.e. instead of both DC and Trans.
 

Pnoise can be used but it has to be done very carefully. I did it on my mixer circuit and results are also ok. But it considers linearized ac modelling with frequency transformations. According to my Prof in graduation the results can be erroneous in case linearized modles fail for any particular circuit.
 

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