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Which of the following modulation system is used for video-modulation?(a) DSB-SC(b) SSB-SC(c) VSB(d) FMI got this question in examination.The question is from Frequency Domain Representation topic in portion Double Sideband Suppressed Carrier Modulation of Analog Communications

Answer»

Correct CHOICE is (c) VSB

Easiest explanation: Vestigial Sideband Modulation (VSB) is a TYPE of amplitude modulation in which the CARRIER and only one sideband is completely transmitted and the other sideband is PARTLY transmitted. THUS, video signals are transmitted using VSB modulation.



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