Download Aptitude Crack
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Communication Systems - Engineering

Q1:

In PCM the amplitude levels are transmitted in a 7 unit code. Sampling frequency is 10 kHz. The bandwidth should be

A 5 kHz

B 35 kHz

C 70 kHz

D 5 MHz

ANS:B - 35 kHz

Bandwidth = (10 x 7) = 35 kHz.