Standard broadcast FM has a maximum permitted frequency deviation of 75 kHz and modulation frequency of...
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Standard broadcast FM has a maximum permitted frequency deviation of 75 kHz and modulation frequency of 15 kHz. For a broadcast FM modulator with a modulating signal e Esin(215kt) and an unmodulated carrier e = 10sin(2x100kt), using the Bessel table from your notes, answer the following: i. Draw the frequency spectrum showing all frequencies and amplitudes. ii. What is the bandwidth? Power [W] 100 W 20 W 20 W I I 995 1000 Fig. 3.3 H 1005 Frequency [kHz] Standard broadcast FM has a maximum permitted frequency deviation of 75 kHz and modulation frequency of 15 kHz. For a broadcast FM modulator with a modulating signal e Esin(215kt) and an unmodulated carrier e = 10sin(2x100kt), using the Bessel table from your notes, answer the following: i. Draw the frequency spectrum showing all frequencies and amplitudes. ii. What is the bandwidth? Power [W] 100 W 20 W 20 W I I 995 1000 Fig. 3.3 H 1005 Frequency [kHz]
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