Why is re = (rpi2+rb2)/(B+1) and not (rpi2+rb2||RC) ? Thanks.
S Thread Starter Steve| Joined Nov 4, 2008 17 Nov 10, 2008 #1 Why is re = (rpi2+rb2)/(B+1) and not (rpi2+rb2||RC) ? Thanks.
mik3 Joined Feb 4, 2008 4,843 Nov 10, 2008 #2 Can you post the initial circuit (i mean not the pi-model equivalent).
S Thread Starter Steve| Joined Nov 4, 2008 17 Nov 10, 2008 #3 I'm actually not too sure why they left out Re either...
mik3 Joined Feb 4, 2008 4,843 Nov 10, 2008 #4 They left out Re because you assume all the capacitors to be short circuits. Also, you cant say that re=(rpi2+rb2||RC) because there is a current source between them.
They left out Re because you assume all the capacitors to be short circuits. Also, you cant say that re=(rpi2+rb2||RC) because there is a current source between them.