WHICH_OF_THE_FOLLOWING_IS_USED_TO_VARY_THE_FREQUENCY_OF_THE_CARRIER_FR – McqOptions

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1.	WHICH_OF_THE_FOLLOWING_IS_USED_TO_VARY_THE_FREQUENCY_OF_THE_CARRIER_FREQUENCY_IN_ACCORDANCE_WITH_THE_BASEBAND_SIGNAL_AMPLITUDE_VARIATIONS_IN_DIRECT_METHOD_OF_FM_GENERATION.?$
A.	Integrator
B.	Envelope detector
C.	Multivibrator
D.	Voltage controlled oscillators
Answer» E.

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