Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 6 (Q.No. 6)
6.
For signal flow graph shown in following figure determine the ratio X5|X1. Use Mason's gain formula for signal flow graph.
None of these
Answer: Option
Explanation:
Number of forward paths K = 3
T1 = G1G2G3G4
T2 = G1G6G4
T3 = G1G7
Number of loops
L1 = G2H1
L2= G5
Δ = 1 - [L1 + L2] + [L1 L2]
= 1 - [G2H1 + G5] + [G2G5H1]
.
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