What will be the image frequency of an FM radio receiver that is tuned to $98.6 M H z$ broadcast station?

111.8 M H z

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108 M H z

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121.6 M H z

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132 M H z

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Solution

The correct option is B $121.6 M H z$
$F M (I . F) = 11.5 M H z$
$F (i m a g e) = f_{s} + 2 f_{I F} = 98.6 + 2 \times 11.5 = 121.6 M H z$

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