Modern Physics 7 Question 7
7. A message signal of frequency and peak voltage is used to execute amplitude modulation on a carrier wave of frequency and peak voltage . The modulation index and difference between the two side band frequencies are
(Main 2019, 10 April I)
(a)
(b)
(c)
(d)
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Solution:
- Given,
,
Range of frequency in case of amplitude modulation is
and modulation index,