EECE 290 Problems, Spring 2008
American University of Beirut · Analog Signal Processing · 3 pages
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Show the text of this problems
A reciprocal, symmetric two-port network has an open-circuit input impedance of
1 —j Qand an open-circuit transfer impedance of 1 Q. Determine the load current
if a load impedance of j Q is connected to one port and a 10 20° V source is
connected to the other port.
A. 10-10)A
B. -10jA
C. 10+10j)A
D. 10) A
E. None of the above
8. Find the z’ parameters of the network shown.
“a. Z14 = Zo =6Q , Z12=Zq1=20.
b. Z4,= 299 =120 , Z42 =Z74=60
c.Z44= Zo2 =120 , Z42 =Z24= =4Q,
d. Z44 = Zo9 =60, Zy2 =Z94=10
e. None of the above
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13. Consider the two ports circuit below. Find the value of k that makes this circuit
reciprocal. (A = 0.1 A/V)
Ty Ie
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10O/-
+ KV)
Vy
V\ y) NG
+— ——_——4
Va) k=1
b) kK=2
c) k=3
d) k=4
e) None of the above