

Understanding Modern Electronics
Digital to Analog
S1 • E22 Dec 31, 2013 35m
Because we live in an analog world—sound, time, temperature, speed, and light are all analog phenomena—it’s important to be able to convert outputs of digital circuits into analog signals that we can perceive. Discover two digital-to-analog converters (DACs): weighted-resistor DACs, and the delta-sigma DACs that provide high-resolution audio for our smartphones and mp3 players.