by Alan Lowne, President, Saelig Co. Inc. It pays to do preliminary studies before sending products off to the test lab for electromagnetic compatibility problems. An engineer in a relatively small company usually must rely on experience and tribal knowledge to design a product that is electromagnetically compatible (EMC) with other equipment. Many designers and […]
Wireless
How to spec inductive coils
by Michael Harper, Coil Experts, LLC It pays RF designers to know a few things about the way coil-winding houses fabricate coils. Inductive coils are ubiquitous in any kind of RF or wireless circuit. But some of the tiny coils that characterize RF work can be challenging to produce. Custom coil designs often get sent […]
Wireless charging for your coffee maker
by Leland Teschler, Executive Editor, @DW_LeeTeschler Today’s average teenager has never seen a dial telephone. It looks as though cords that plug into ac outlets will soon look just as strange to high schoolers. That’s because wireless charging may become ubiquitous enough to make ac power cords obsolete for most kinds of electrical equipment rather […]
