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  4. An oscillator is producing FM waves of frequency 2 KHz with a variation of 12 KHz. What is the modulating index?

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Q. An oscillator is producing $FM$ waves of frequency $2\, KHz$ with a variation of $12\, KHz$. What is the modulating index?

Communication Systems

Solution:

We know that $m_{f}=\frac{8}{f_{m}}=\frac{12}{2}=6$