Oct 1, 2011 #1 shaq Full Member level 5 Joined Jul 23, 2005 Messages 311 Helped 14 Reputation 28 Reaction score 4 Trophy points 1,298 Activity points 3,397 How to break the loop to simulate loop gain using spectre or hspice in this ciruit? Attachments circuit.png 25.4 KB · Views: 149
Oct 1, 2011 #2 erikl Super Moderator Staff member Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,305 Trophy points 1,393 Location Germany Activity points 44,123 I think it shouldn't matter if you break the loop between M2 & MA1 , or between M1 & MA2 .
Oct 2, 2011 #3 leo_o2 Advanced Member level 4 Joined Sep 3, 2004 Messages 1,322 Helped 278 Reputation 558 Reaction score 241 Trophy points 1,343 Location China Activity points 5,761 It is better to break at MOS' gate. Besides erikl's statement, there is an another loop from MSU3.