Question

Flat top sampling of low pass signals

(a) Gives rise to aperture effect

(b) Implies over sampling

(c) Leads to aliasing

(d) Introduces delay distortion

I got this question by my college professor while I was bunking the class.

Question is from PAM,PWM and TDM in division Modulation and Coding Trade-off of Digital Communications

Answer 1

The correct answer is (a) Gives rise to aperture effect

For explanation I would say: Flat top sampling of low pass signals gives rise to aperture effect.