Previously on The Filter Wizard (“Simulate Circuits in a Spreadsheet with some ‘Ladderal Thinking’ “), we saw how to use a spreadsheet such as Excel to calculate the frequency response of a filter ...

RP Sallen and EL Key of the Massachusetts Institute of Technology’s Lincoln Laboratory in 1955 introduced the Sallen-Key analog filter topology. Engineering literature extensively discusses the second ...

Prior knowledge needed: ECEA 5700 Introduction to Power Electronics, ECEA 5701 Converter Circuits, ECEA 5702 Converter Control, ECEA 5703 Magnetics Design, ECEA 5705 Averaged Switch Modeling and ...

Digital signal processors (DSPs) continue to receive a great deal of attention in new product design. For example, digital filter design reflects the importance of understanding and using this ...

What is electromagnetic interference and what causes it? The main approaches to filtering out EMI and reducing its impact. How to evaluate EMI filters and what to know about designing them.

The high-tech die casting industry relies on old-school steel-wool pad filters for vacuum systems that lead to unnecessary and long machine downtimes and high cold and warm scrap ratios. Dexwet ...