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| 1. |
Open loop transfer function of a system isThe phase cross over frequency ω is |
| Answer» 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. | |