A

Admin • 833K Points
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Q. 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

Explanation by: Admin

in direct method, vcos are used to vary the frequency of the carrier signal in accordance with the baseband signal amplitude variations. these oscillators use devices with reactance that can be varied by the application of a voltage.

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