1. Computer Science Engineering (CSE)
  2. Communication Engineering
  3. Coherent PSK and non coherent orthogonal...
Q.

Coherent PSK and non coherent orthogonal FSK have a difference of               in PB.

A. 1db
B. 3db
C. 4db
D. 6db
Answer» C. 4db
Explanation: the difference of pb is approximately 4db for the best ( coherent psk ) and the worst (non coherent orthogonal fsk).
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