CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The amplitude of a sinusoidal carrier signal is modulated by tthe message signal, m(t)=sinc(1000t)sinc2(2000t). The bandwidth of the resultant AM signal will be__________kHzAssume that, sinc(t)=sin(πt/πt)
  1. 5

Open in App
Solution

The correct option is A 5
sinc(t)CTFTrect(f)sinc(1000t)CTFT103rect(f1000)sinc(2000t)CTFT1032rect(f2000)Sinc2(2000t)CTFT1032rect(f2000)1032rect(f2000)M(f)=103rect(f2000)1032rect(f2000)1032rect(f2000)So,fmmax=2.5kHz(BW)AM=2fm(max)=5kHz




flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Superposition Recap
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon