AE & JE EE Quiz Digital Communication

Delta modulation uses _______ bits per sample

…………is digital modulating system.

MODEM stands for

Which one of the following statement is correct? Digital modulation techniques are used in satellite communication system since:

Companders are used in communication systems to:

In PCM system, if we increase the quantization levels from 2 to 8, the relative bandwidth requirements will:

The modulation system inherently most noise resistant is:

The use of non-uniform quantization leads to_:

Which of the following noise must be considered at high frequencies (microwave frequencies)?

The Nyquist sampling rate for the signal g(t) = 10 cos (50 πt)cos²(150 πt). Where ‘t’ is in seconds is