Control Functions

Interlock Architectures – Pt. 5: Category 4 — Control Reliable

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This entry is part 5 of 8 in the series Cir­cuit Archi­tec­tures Explored

Ed. note: I’ve made a few updates to this art­icle since it was first pub­lished in 2011, with the most recent today, 6-Dec-18. – DN – The most reli­able of the five sys­tem archi­tec­tures, Cat­egory 4 is the only archi­tec­ture that uses mul­­tiple-fault tol­er­ant tech­niques to help ensure that com­pon­ent fail­ures do not res­ult in an unac­cept­able […]

EMC

Inside Apple’s EMC Lab

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Mac­world was invited inside Apple’s EMC test lab for a tour – the first time journ­al­ists have been per­mit­ted into this area. This art­icle looks at what Apple does to make sure their products meet EMC design require­ments. Test­ing indus­tri­al equip­ment is often sim­pler that this, and you don’t need to buy your own labs to do it. Are your machine designs com­pli­ant? Would you know if they