Baseband?is a?signal?that has a very narrow frequency range, i.e. a spectral magnitude that is nonzero only for frequencies in the vicinity of the origin (termed?f?= 0) and negligible elsewhere
123) baseband signal refers to the
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signal containing the message or information before modulation
Explanation:
Related Electronic Devices and Communication MCQ with Answers
Answer is:
size of antenna would be huge
Explanation:
need for modulation arises from antenna considerations. If base band signal is to be transmitted then size of antenna would be huge
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750 MHz
Explanation:
Coaxial cables have a bandwidth in the range of 750 MHz
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need to transmit a number of signals simultaneously on the same transmitter
Explanation:
need for modulation also arises from need to transmit a number of signals simultaneously on the same transmitter
Answer is:
Ac
Explanation:
Given that a sinusoidal carrier is given by?c(t)=Acsin(?c+?), in amplitude modulation the quantity depends on baseband signal is Ac