Assume a noiseless channel. a) Television channels are 6 MHz wide. How many bits/sec can be sent if 4–level digital signals are used? (Hint: How can you code 4 levels?) b) If the TV channel is 12 MHz wide and 8-level digital signals are used, what is the max bit rate?

Assume a noiseless channel. a) Television channels are 6 MHz wide. How many bits/sec can be sent if 4–level digital signals are used? (Hint: How can you code 4 levels?) b) If the TV channel is 12 MHz wide and 8-level digital signals are used, what is the max bit rate?

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter22: Sequence Control

Section: Chapter Questions

Problem 6SQ: Draw a symbol for a solid-state logic element AND.

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Question

Assume a noiseless channel.
a) Television channels are 6 MHz wide. How many bits/sec can be sent if 4-level digital signals are used? (Hint: How can you code 4 levels?)
b) If the TV channel is 12 MHz wide and 8-level digital signals are used, what is the max bit rate?

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