n. A hardware device that takes a set of bits, typically from a processor, as input and roduces an analog signal proportional to the digital input as output. Short for digital-to-analog converter. D/A converters might be as simple as an array of resistors configured in the typical “R-2R” fashion or a hybrid module that generates very precise results with many bits of resolution. A simple use is to vary the intensity of a lamp (another approach that avoids the messy analog world is a pulse-width modulator that uses different switching rates and pulse lengths to control intensity).
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