Much of our conversation in ‘Discrete Signals’ blog has been about acquiring data with A/D converters. For this installment, let’s look at the other side: going from digital data back into analog with a D/A converter. There are at least four ways makers can use D/A converters: creating sights and sounds, projecting touch, building complex signals, and automating tests.
Let’s take a quick look at the types of things makers might take on with a D/A converter.

Putting audio and video back into analog

Almost all content is moving around in digital form these days, except the venerable music album on vinyl, yet our eyes and ears are analog sensors.