Jan 20, 2011 #1 T Tom2 Full Member level 5 Joined Nov 11, 2006 Messages 318 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,298 Activity points 3,457 For check if a transistor act at saturation mode is need to check if any nmos has Vds>Vgs-vt .For the pmos how to convert this equation? For transistors which are use as current mirror, the above equation have to be satisfied?
For check if a transistor act at saturation mode is need to check if any nmos has Vds>Vgs-vt .For the pmos how to convert this equation? For transistors which are use as current mirror, the above equation have to be satisfied?
Jan 20, 2011 #2 J JoannesPaulus Advanced Member level 3 Joined Mar 19, 2008 Messages 773 Helped 235 Reputation 470 Reaction score 138 Trophy points 1,323 Location USA Activity points 5,006 Re: Nmos/Cmos questions For a pmos: Vsd>Vsg-|VT| or |Vds|>|Vgs|-|VT| since for a pmos Vds and Vgs are negative. The above condition must be satisfied for current mirrors as well!
Re: Nmos/Cmos questions For a pmos: Vsd>Vsg-|VT| or |Vds|>|Vgs|-|VT| since for a pmos Vds and Vgs are negative. The above condition must be satisfied for current mirrors as well!