Noise in AM Systems

Figure of merit, coherent detection SNR.

Mohith N
Updated: 19 March 2026
9 min read

AM Noise Analysis Quiz

Test your knowledge of SNR analysis and figure of merit in AM demodulation systems.

Question 1 of 3

Q1.For conventional AM with envelope detection, the figure of merit (SNR)_O / (SNR)_C using a single-tone modulating signal with modulation index mu is: