A single-sideband PAM signal may be represented as where ˆgT (t) is the Hilbert...

A single-sideband PAM signal may be represented as

where ˆgT (t) is the Hilbert transform of gT (t) and Am is the amplitude level that conveys the information. Demonstrate mathematically that a Costas loop cannot be used to demodulate the SSB PAM signal.