The Designer's Guide Community Forum

The Designer's Guide Community Forum
https://designers-guide.org/forum/YaBB.pl
Simulators >> RF Simulators >> Cgs of MOS in Spectre
https://designers-guide.org/forum/YaBB.pl?num=1283600359

Message started by purplewolf on Sep 4^th, 2010, 4:39am

Title: Cgs of MOS in Spectre
Post by purplewolf on Sep 4^th, 2010, 4:39am

i want to know the "authentic setup" of measuring the Cgs of MOS device at some particular bias point in Spectre..

Title: Re: Cgs of MOS in Spectre
Post by pancho_hideboo on Sep 4^th, 2010, 5:43am

Run AC analysis with AC_Vgs=1 and swept DC_Vgs.
Here Cgs is evaluated by imag(AC_Ig)/(2*acos(-1)*xval(AC_Ig).

http://www.designers-guide.org/Forum/YaBB.pl?num=1196459940/1#1