Conditions of transfer functions for distortionless transmission

Q.  Which is/are the mandatory condition/s to get satisfied by the transfer function for the purpose of distortionless transmission?
- Published on 30 Nov 15

a. Amplitude Response should be constant for all frequencies
b. Phase should be linear with frequency passing through zero
c. Both a & b
d. None of the above

ANSWER: Both a & b

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