School of Electrical Engineering and Computer Science
1
EE-221 Electronics-II Spring 2012
Assignment No. 1
The following assignment is due for submission on Tuesday the 21st Feb 2012. The CR
is to collect and deliver the assignment to me in my office by 1:30 PM.
You are advised to use A4 size paper only and ensure that the assignments are neatly
done. Neat work will carry 20% marks; copied assignment will be awarded zero marks.
HAVE FUN
Q1. The circuit given on the right is BJT Cascode amplifier. Draw the required equivalent
circuits and derive the expressions for the following:
a) R
out
b)
R
in
c) A
v
Q2. For the circuit given below we require to determine the expressions for the two important
impedances namely R
OUT
and R
IN
. Draw the required equivalent circuits and derive the
expressions for both R
OUT
and R
IN
ࡾ
ࡻࢁࢀ
ࡾ
ࡵࡺ
ࡾ
ࡻࢁࢀ
ࡾ
ࡵࡺ