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Design >> Analog Design >> how to calculate output resistance?
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Message started by nus_lin on Apr 12^th, 2005, 8:07am

Title: how to calculate output resistance?
Post by nus_lin on Apr 12^th, 2005, 8:07am

dear guys,

how to calculate the output resistance based on the saved op point? i found that in spectre, the "ron" shown in the table of op point did not equal to gain/gm. it is so weired.

Title: Re: how to calculate output resistance?
Post by analogic on Apr 12^th, 2005, 5:49pm

use the parameter "gds"
rds=1/gds

Title: Re: how to calculate output resistance?
Post by nus_lin on Apr 12^th, 2005, 7:00pm

thanks. ;D