Limitations of Frequency discrimination method

Q.  Limitations of Frequency discrimination method are:
- Published on 13 Oct 15

a. Cannot be used for video signals
b. Designing of band pass filter is difficult
c. Both a and b
d. None of the above

ANSWER: Both a and b
 
Limitations of Frequency discrimination method are that as the base band signal must be appropriately related to the carrier signal frequency, the designing of band pass filter is difficult if the carrier frequency is quite higher than the bandwidth of the baseband signal. The system is not useful for video communication purpose.

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