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Q. |
The critical value of gain for a system is 40 and gain margin is 6dB. The system is operating at a gain of: |
A. | 20 |
B. | 40 |
C. | 80 |
D. | 120 |
Answer» A. 20 | |
Explanation: gm (db) = 20loggm gm =2 |
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