Home
Class 12
PHYSICS
An audio signal given by 10 sin2 pi (150...

An audio signal given by 10 sin2 `pi` (1500)t is
Superimposed on a carrier of 50 sin2 `pi` (1,00,000)t
by AM technique .Determine
(a)Modulation index
(b)% of modulation
(c )Frequency of audio signal and carrier
(d)Frequency spectrum of modulated wave.

Text Solution

Verified by Experts

(a)0,2, (b) 20% , (c )`f_(s)`=1500 Hz,
`f_(c)`=1,00,000 Hz, (d)98.5 to 101.5 kHz
Promotional Banner

Similar Questions

Explore conceptually related problems

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 .

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.