Solved Example: 9164-01

The bit rate of the digital communication system is M kbps. The modulation used is 16 QAM. The minimum bandwidth required for ideal transmission is: (DFCCIL Executive S and T 2018)

A. M/2 kHz

B. M/16 kHz

C. M kHz

D. M/8 kHz

Correct Answer: A

Solved Example: 9164-02

In digital transmission, the modulation technique that requires the minimum bandwidth is: (LMRC Assistant Manager (S and T) May 2018)

A. PCM

B. PAM

C. DPCM

D. Delta modulation

Correct Answer: D