Q. |
A percentage of modulation greater than |
A. | 10% |
B. | 25% |
C. | 50% |
D. | 100% |
Answer» D. 100% | |
Explanation: a percentage of modulation greater than 100% will distort the message signal if detected by an envelope detector. in this case the lower excursion of the signal will drive the carrier amplitude below zero, making it negative (and hence changing its phase). |
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