Multiple choice

For a message signal m(t) = cos $2\pi f_m t$ and carrier of frequency fc, which of the following represents a single side band (SSB) signal?

  1. cos $2\pi f_m t$ cos $2\pi f_o t$
  2. cos $2\pi f_o t$
  3. cos $[ (2\pi (f_o + f_m) ) t]$
  4. [1 + cos $2\pi f_m t$ cos $2\pi f_o t$ ]
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation