Question: An 8-level PAM signal is defined by s i (t) = A i rect (t/T ) where A, = 1, 3, 5, 7. Formulate

An 8-level PAM signal is defined by si (t) = Ai rect (t/T – ½) where A, = ±1, ±3, ±5, ±7. Formulate the signal constellation of {si (t)} 8i=1

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