One of my first jobs as an engineer was at Empire Scientific Corp. in Garden City, NY in 1972. This was a high-end audio company that made speakers, turntables and phonograph cartridges. We had some ...
This article was originally published in the Dec 14, 1998 issue of Electronic Design. Class-D audio power amplifiers (APAs) were first introduced nearly 50 years ago. Since then, they have been used ...
A class-D puts out a pulse-width modulated (PWM) signal instead of the typical class-AB amplifiers linear signal The PWM signal contains the audio signal and the PWM switching frequency plus harmonics ...
It’s easy to switch into automatic pilot mode when it comes to planning a course. It goes something like this: (1) we look at the topic of the course we’re ...
The Rhode Island School of Design uses recipes to teach the trial-and-error process of tweaking and refining a product. To study the method of iterative design ...
How can we make our structures stronger – so they don’t fall over? We could give our structures strong foundations. Like Isabel here. She's building her tower wide and thick at the bottom. Nice work, ...
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