Experiment 6: Frequency Modulation (FM), Generation and ...
signals of the FM band (88-108 MHz) vs. the AM band (450-1650 KHz). The main reason for the improved fidelity is ... In both cases above, if the modulating signal is a digital waveform, then the resulting FM signal is a frequency-shift-keying signal (FSK) which you have seen in experiment #2. 3.0 FM Detection (FM Discriminators):
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Digital Modulation - University of Pittsburgh
sites.pitt.eduBinary Frequency -Shift Keying (BFSK) • Two binary digits represented by two different frequencies near the carrier frequency – where f 1 and f 2 are offset from carrier frequency f c by equal but opposite amounts – B = 2([f 2 – f 1]/2 + f b) • Where f b = input bit rate ( ) s t = Acos(2pf 1 t) Acos(2pf 2 t) binary 1 binary 0 Phase ...