Nov 15, 2011 #1 A Amy25 Member level 1 Joined Sep 14, 2010 Messages 34 Helped 6 Reputation 12 Reaction score 6 Trophy points 1,288 Activity points 1,468 Hi, Why PMOS and NMOS in an nwell process have different Body effect coefficients?
Nov 15, 2011 #2 erikl Super Moderator Staff member Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,308 Trophy points 1,393 Location Germany Activity points 44,123 The body-effect factor γ depends on its bulk doping concentration NB , which of course is different for PMOS and NMOS transistors: \[\gamma = {\sqrt{2q\varepsilon_{Si}N_B }\over{C'_{ox}}\]
The body-effect factor γ depends on its bulk doping concentration NB , which of course is different for PMOS and NMOS transistors: \[\gamma = {\sqrt{2q\varepsilon_{Si}N_B }\over{C'_{ox}}\]