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Carrier signal in modulation technique is _______ signal.(a) High frequency(b) Low frequency(c) High amplitude(d) Low amplitudeThis question was posed to me by my school principal while I was bunking the class.Enquiry is from Amplitude Modulation in portion Modulation Techniques for Mobile Radio of Wireless/Mobile |
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Answer» CORRECT option is (a) HIGH frequency Easiest explanation: Carrier SIGNAL in modulation technique is a high frequency signal. In amplitude modulation, the amplitude of a high frequency carrier signal is varied in ACCORDANCE to the instantaneous amplitude of the modulating signal. |
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