Digital Communication - Study Mode
[#126] . . . . . . . . step is NOT involved in pulse code modulation system.
Correct Answer
(B) Generating
[#127] Figure shows a block diagram of a system to recover a sampled signal shown as input. Blocks A and B can be respectively
Correct Answer
(A) Zero order hold and low pass filter
[#128] Roll - off factor is defined as
Correct Answer
(A) The bandwidth occupied beyond the Nyquist Bandwidth of the filter
[#129] A ramp signal m(t) = at is applied to a delta modulator with sampling period T S and step size d. Slope overload distortion would occur if
Correct Answer
(C) d < aT S
[#130] A continuous signal has voltage range of -4 V to +2 V. If this is quantized to 8 bits, then the step size of the quantizer will be:
Correct Answer
(A) $$frac{3}{{128}}$$