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What is meant by pre-emphasis and de-emphasis?

Answer Posted / disney_snoopy

Hi Debopam,

u said that
"The transfer function sketched above
is used for a preemphasis circuit for FM signals in the FM
band. The Time T = 75µs. For FM systems in the FM band m ~ 5
resulting in a S/N improvement of 19dB. With preemphasis
this can be increased by 4dB for a total of 23dB. "

But i cant see and graph here!!!

Is This Answer Correct ?    35 Yes 14 No



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