getting CMRR value from PSPICE

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chucksd

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CMRR on PSPICE

Hi,

I normally simulate the gain for the differential mode and the gain for common mode and copy the entire curve into Excel and recalculate the dB in CMRR=20log|Gdff/Gcm|. But I am sure there is a much easier way to get CMRR on PSPICE. Can anybody point me to the right direction?

Thank you for your help.
 

haha.. i think this is the only method i knew as well. but i still remember that there is some calculator in Pspice. so you can plot it by using +-x / and logarithms function as well.
 

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