Modulate and Demodulate FM Signals in Simulink
Modulate and demodulate a sinusoidal signal using FM Modulator Baseband and FM Demodulator Baseband blocks.
fmmoddemod model generates a sine wave of frequency 4 Hz and amplitude 1 V. The FM Modulator Baseband block sets the frequency deviation to 50 Hz.
The Modulated Signal scope shows that the frequency of the modulator output,
Mod Sig, varies with the amplitude of the input data.
The Demodulated Signal scope demonstrates that the output of the demodulator,
Demod Sig, is perfectly aligned with the input data.