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1 A PCM TDM system multiplexes 30 voice band channels each with a bandwidth of 0 kHz to 3 kHz Each sample is encoded with a nine bit PCM code UPNRZ encoding is used Determine a The minimum

1. A PCM-TDM system multiplexes 30 voice-band channels each with a bandwidth of 0 kHz to 3 kHz. Each sample is encoded with a nine-bit PCM code. UPNRZ encoding is used. Determine

a. The minimum sample rate.

b. The line speed in bps.

c. The minimum Nyquist bandwidth.

2. For the following bit sequence, draw the timing diagram for UPRZ, UPNRZ, BPRZ, BPNRZ, and BPRZ-AMI encoding:

bit stream: 1 1 0 0 0 1 0 1 0 1

Jul 28 2020 View more View Less

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