Question

A message signal of frequency 10 kHz and peak voltage of 10 volts is used to modulate a
carrier of frequency 1 MHz and peak voltage of 20 volts. Determine (a) modulation
index, (b) the side bands produced.

Answer 1

Hey sorry but i know only modulation index⤵⬇⤵⬇

Modulation Index = 10201020=0.5=0.5

Side bands are at (1000+10kHz)=1010kHz(1000+10kHz)=1010kHz and (1000−10kHz)(1000−10kHz) which is 990kHz

Answer 2

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• a) Modulation index = ${10/20 = 0.5}$
• b) The side bands are at ${(1000+10 kHz)=1010 kHz}$ and ${(1000-10kHz)=990kHz}$.