| http://www.w3.org/ns/prov#value | - Importantly, the logic inverter 76 causes the ramps to be inverted e.g. from rising slope to falling slope, rather than requiring a linear analog amplifier with accurate gain control and precise baseline reference voltage control.Turning not to FIG. 6, the digital circuit 60 is preferably formed as a small portion of a much larger high density CMOS VLSI array.
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