App note: Auto-zero amplifiers ease the design of high-precision circuits

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An application note from Texas Instruments on new chopper amplifers superiority over old design chopper amps. Link here (PDF)

This article shows that the auto-zero calibration technique is very different from the chopper technique and is one that, when implemented through modern process technology, allows the economical manufacturing of wideband, high-precision amplifiers with low output noise.

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