ASK in Digital Modulation Techniques - MCQs with answers

ASK in Digital Modulation Techniques - MCQs with answers

Q1. In On- Off keying, the carrier signal is transmitted with signal value 1 and '0' indicates

a) No carrier
b) Half the carrier amplitude
c) Amplitude of modulating signal
d) None of the above

View Answer / Hide Answer

Q2. ASK modulated signal has the bandwidth

a) Same as the bandwidth of baseband signal
b) Half the bandwidth of baseband signal
c) Double the bandwidth of baseband signal
d) None of the above

View Answer / Hide Answer

Q3. Coherent detection of binary ASK signal requires

a) Phase synchronization
b) Timing synchronization
c) Amplitude synchronization
d) Both a) and b)

View Answer / Hide Answer