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Q. |
For a stable closed loop system, the gain at phase crossover frequency should always be: |
A. | < 20 db |
B. | < 6 db |
C. | > 6 db |
D. | > 0 db |
Answer» D. > 0 db | |
Explanation: phase crossover frequency is the frequency at which the gain of the system must be 1 and for a stable system the gain is decibels must be 0 db. |
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