Article: All design is analog--some more so than others: digital design is becoming analog, as submicron processes require engineers to deal with the parasitic effects that result from the analog behavior of all electrical circuits.(tech trends)

THE INVENTION OF THE TRANSISTOR made it possible for engineers to use digital logic. This approximation of nature uses binary logic to implement functions that provide both computational and human-interface functions. The processes vendors use in fabricating ICs makes it possible for most designers to achieve success simply by knowing logic design and ignoring the reality of the physical laws governing electrical-circuit behavior. Les Sprueill, director of technical marketing at Xoomsys, contends that the electronics industry owes much of its success to the fact that digital logic is actually an overdriven analog circuit: "Since you can view digital circuits as either on ...

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