Questions
A carrier wave of peak voltage 12V is used to transmit a message signal. The peak voltage of modulating signal in order to have a modulation index as 0.75 is :
detailed solution
Correct option is B
GivenPeak voltage of carrier wave Ec=12 VPeak voltage of modulating signal Em=?Modulation index Ma=0.75We know modulation index Ma=EmEc⇒Em=MaEm⇒Em=0.75×12⇒Em=9VTalk to our academic expert!
Similar Questions
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. The side bands are 1010 kHz and______________kHz.
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