Determine the s-n improvement due to the pre-emphasis

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An FM receiver is modulated with a signal having a baseband bandwidth of 15 kHz and the maximum frequency deviation is 45 kHz. Assume that preemphasis is added with a 3-dB boost frequency of 5 kHz. Referring to the information above, determine the S/N improvement (in dB) due to the pre-emphasis.

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