(Solved):
Bob wants to use an Envelope Detector to demodulate an AM signal. When Bob tested his AM system wi ...
Bob wants to use an Envelope Detector to demodulate an AM signal. When Bob tested his AM system with the envelope detector he discovered he was receiving \( |x(t)| \) rather than \( x(t) \) as shown in the figure below: Explain why Bob is not recovering the same signal he input and describe two things he can do to fix the problem at both the transmitter and receiver end of the system.