Multiple choice

Which of the following uses three values; positive, negative and zero and the signal changes not between bits, but during the bits?

  1. Bipolar AMI encoding

  2. Baseline

  3. DC components

  4. Polar RZ encoding

  5. Bipolar pseudoternary encoding
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D Correct answer
Explanation

It uses three values positive, negative and zero and the signal changes not between bits, but during the bits. The 1 bit is encoded as a zero voltage and the 0 bit is encoded as alternating +ve and -ve voltages.

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