| http://www.w3.org/ns/prov#value | - ; FIGURE 3 is a graph showing a modulating signal and instantaneous frequency of the resulting FM signal after passing through a VSBFM system having a. pass band as depicted in FIGURE 2; FIGURE 4 is a graph of the overall response of a VSB-FM modem; FIGURE 5 is a circuit diagram of the modulator of the invention; FIGURE 6 shows the amplitude response of the input circuit of the modulator of FIGURE
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