Multiple choice

A message signal with bandwidth 10 kHz is Lower-Side Band SSB modulated with carrier frequency fc1 = 106 Hz. The resulting signal is then passed through a Narrow-Band Frequency Modulator with carrier frequency fc2 = 109 Hz. The bandwidth of the output would be

  1. 4 x 104 Hz

  2. 2 x 106 Hz

  3. 2 x 109 Hz

  4. 2 x 1010 Hz

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation