A carrier wave is modulated with 4 amplitudes and 4 phase changes.How many bits can be represented with each signal change?
A)1
B)2
C)3
D)4
E)5

Name: A carrier wave is modulated with 4 amplitudes and 4 phase changes.How many bits can be represented with each signal change? A)1 B)2 C)3 D)4 E)5
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Question

Quizplus · Accepted Answer

Each signal change can represent 4 amplitudes and 4 phase changes, which is 4 x 4 = 16 combinations. 16 combinations can be represented by 4 bits (since 2^4 = 16).

A Carrier Wave Is Modulated with 4 Amplitudes and 4