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Exam Questions Papers - Engineering

Q1:

The analog signal given below is sampled at 1200 samples per second. m(t) = 2 sin 120 pt + 3 sin 240 pt + 4 sin 360 pt + 5 sin 480 pt + 6 sin 600 pt + 7 sin 720 pt. The folding (maximum) frequency is __________ .

A 300 Hz

B 360 Hz

C 600 Hz

D 480 Hz

ANS:C - 600 Hz

Folding frequency (max.) = = 600 Hz.