Question

PROBLEM 7.3: Determine the system function, H() for the flow graph shown below. (Note, the diagonal lines are not connected where they cross.)

Answer 1

Problem 7.3 VN (3) "Calculating system funtion – H(2) Forward fath -4/5 ron oooooo Forward path I Forward bath 2 = zal - -4% oooo forward Bath 2 = 4 2 1 27 - x - y x 2 13

close loop :- 2-1 close loop 1 ZX ? *77. -z- 2 o al close loop 2 .د- جدید- مہرہا xzt = -1/3 2-1 Above calulation Now, from Forward path of forward path 3 H2) = Forward bath 1 t 1- 1 close loop 1 + close loop2) HR) = |-(-1/2 2 1 - 1 4 22) 4/5 + 7/3 21 T + 1/3 2/1 + 1 2 2-2 t It is system funtion of given graph