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Alain Stas currently serves as Product Marketing Engineer, Non-Linear Resistors, at Vishay. Previously, he worked on the mathematical modeling of biotechnological processes at Université libre de Bruxelles (ULB). Alain holds a Master of ...

A topic that has recently drawn a lot of interest (!) and no fewer than four separate design articles (!!) here in Design Ideas, is the conversion of 0 to 20 mA current sources into industrial standard 4 mA to 20 mA current loop signals. ...

A recent Design Idea (DI), “Silly simple precision 0/20 mA to 4/20 mA converter,” ( Ref. 1 ) by prolific DI contributor Stephen Woodward uses the venerable LM337 regulator in a creative configuration along with a few passive components, ...

Robert Most, Dow Corning Corp, Auburn, MI.

Whenever you hear the transformerless supply term, you initially imagine the capacitor-based solution: a high-voltage non-polarized capacitor in series with the mains line, a bridge rectifier, a Zener diode, and a filtering electrolytic capacitor. ...

Inductors for power circuits

Inductors for power circuits

Inductors for power circuits