How many in 3b/4b encoding

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Reference no: EM131304784

1. How many invalid (unused) code sequences can we have in 5B/6B encoding? How many in 3B/4B encoding?

2. What is the result of scrambling the sequence 11100000000000 using each of the following scrambling techniques? Assume that the last non-zero signal level has been positive.

a. B8ZS

b. HDB3 (The number of nonzero pulses is odd after the last substitution.)

Reference no: EM131304784

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