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What is the need for modulation?
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Answer Posted / shreyash
Modulation(in electronics and telecommunications) is the process or varying one or more of a periodic waveform, called ther carrier signal, with a modulating signal that typically contaons information to be trnasmitted.
A modulator is a device that perform modulation.
* Frequecy modulation(FM)
*Phase modulation(PM)
*Tranpostional modulation(TM)
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