railway RRB JE (CBT I + CBT II) Mock Test 2024 Communication Systems Angle Modulation Maximum Phase Deviation
Which of the following statements about the AM detection using PLL circuit is/are correct?
S1: It has higher noise immunity than the conventional peak detector type AM detector.
S2: The PLL is locked to the carrier frequency of the AM signal.
1
Only S1
2
Only S2
3
Neither S1 nor S2
4
Both S1 and S2