Question

A message signal of frequency 10kHz 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

Answer:

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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 ${(1000-10kHz)=990kHz}$.