1 votes 1 votes Consider the amplitude modulated (AM) signal $A_{c} \cos \omega_{c} t+2 \cos \omega_{m} t \cos \omega_{c} t$. For demodulating the signal using envelope detector, the minimum value of $A_{c}$ should be $2$ $1$ $0.5$ $0$ Others gate2008-ec + – admin asked Sep 17, 2022 • edited Feb 14, 2023 by Lakshman Bhaiya admin 46.4k points 135 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.