H - Electricity – 04 – J
Patent
H - Electricity
04
J
354/98
H04J 99/00 (2009.01) G06F 7/68 (2006.01) H03M 1/00 (2006.01)
Patent
CA 1093697
M. J. Gingell - 12 DIGITAL-TO-ANALOG CONVERTER USING A RATE MULTIPLIER Abstract of the Disclosure A digital-to-analog converter for a pulse code modulated (PCM) signal having a plurality of code groups and a given sampling rate includes a source of the PCM signal; first means having an interpolator coupled to the output of the source for increasing the given sampling rate; second means coupled to the output of the first means for selecting a predetermined number of the most significant bits of each of the code groups of the increased sampling rate PCM signal; and third means having a rate multiplier coupled to the output of the second means for converting the most significant bits into a pulse stream having a mean density which is proportional to an analog signal represented by the plurality of code groups. - 1 -
246085
Itt Canada Limited
Smart & Biggar
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