Which of the following FM demodulator is sometimes known as pulse averaging discriminator?

Shiva Ram • 28.35K Points
Instructor II

Q. Which of the following FM demodulator is sometimes known as pulse averaging discriminator?

(A) slope detection

(B) zero crossing detection

(D) phase locked discriminator

Correct : Option (B)

Explanation:

 zero crossing detector is sometimes known as pulse averaging discriminator. the rationale behind this technique is to use the output of the zero crossing detector to generate a pulse train with an average value that is proportional to frequency of the input signal.

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Q. Which of the following FM demodulator is sometimes known as pulse averaging discriminator?

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