Once upon a time, the electronic world was all analog; everything was smooth sailing, with infinite variation between one extreme and the other. Then along came digital. Everything became ones and zeros, on and off, yes or no; no variation, nothing in the middle. The cold world of digital, some called it. Somehow, these two worlds had to come together, they needed a translator, otherwise analog equipment and digital equipment could never talk to each other. That’s where ADCs and DACs come in.
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