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A special PCM system uses 16 channels of data, one whose purpose is an identification (ID) and synchronization. The sampling rate is 3.5 kHz. The word length is 6 bits. Find the serial data rate.

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A special PCM system uses 16 channels of data, one whose purpose is an identification (ID) and synchronization. The sampling rate is 3.5 kHz. The word length is 6 bits. Find the serial data rate.

(a) 451kHz

(b) 326kHz

(c) 152kHz

(d) 336kHz

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Asked question is from Pulse Code Modulation in division Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics

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Correct choice is (d) 336kHz

The explanation is: Serial data rate = sampling rate x no. bits/frame = 3.5 kHz x 96 = 336 kHz.

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