Question

Why are limiters and pre emphasis filters used in fm radio?

Answer 1

In high speed digital transmission, "pre-emphasis" is used to improve signal quality at the output of a data transmission. In transmitting signals at high data rates, the transmission medium may introduce distortions, so pre-emphasis is used to distort the transmitted signal to correct for this distortion..

" limiting" is any process by which the amplitude of a signal is prevented from exceeding a predetermined value...