This article is intended to address when and if a bypass capacitor is required for an analog temperature sensor. Because system cost is so critical in many of today's industrial designs such as telecommunications, factory auto- mation, medical and instrumentation, understanding why a temperature sensor is required is important. When engineers use an analog temperature sensor in an industrial system design, they often find themselves asking a similar question: What size bypass capacitor do I need? The next logical question is: Do I need one at all? To quote the legendary analog expert Bob Pease, "It depends!"
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