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Analog and Digital Signals
Abstract
Before going too much excess, we should talk a small about what a signal truly is an electronic signal specifically. The signals we’re concerning about are time-varying “quantities” that convey some kind of data. In electrical engineering the amount that’s time-varying is typically voltage (if not that, then sometimes current). Therefore once we talk about signals, simply think about them as a voltage that’s changing over time.
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https://study.com/academy/lesson/what-are-digital-and-analog-signals-definition-lesson-quiz.html
https://learn.sparkfun.com/tutorials/analog-vs-digital
https://techdifferences.com/difference-between-analog-and-digital-signal.html
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