Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 10 (Q.No. 22)
22.
Open loop transfer function of a system is
The phase cross over frequency ωc is
The phase cross over frequency ωc is
1
zero
Answer: Option
Explanation:
GH = - tan- 1 ω - tan- 1 2ω - tan- 1 3ω
= - p
tan- 1 ω + tan- 1 2ω = p - tan- 1 3ω
tan- l
= p - tan- 1 3ω
= - 3ω
ω = 1 rad/sec.
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