Digital Communication Questions and Answers
Q1.
The system will be more bandwidth efficient as WTb decreases.
Answer :
True
Q2.
For more than two quantization level, _______ is used.
Answer :
Soft decision
Q3.
In double side band spectrum which side-band is called as inverted side-band?
Answer :
LSB
Q4.
The IF transmission bandwidth of MFSK is
Answer :
M/T
Q5.
The primary communication resource is
Answer :
Transmitted power
Q6.
Which modulation is spectrally more efficient?
Answer :
MSK
Q7.
Phase locked loops consists of
Answer :
1. Phase detectors
2. Loop filter
3. Voltage controlled oscillator
Q8.
Acquisition is a ______ operation.
Answer :
Non linear
Q9.
CPM has
Answer :
Narrower bandwidth
Q10.
For block codes _____ is necessary.
Answer :
Frame synchronization
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