App note: Resistive bridge basics – Part One

in app notes by DP | 2 comments

3426Fig01

Part One – Resistive bridge basics:

Bridge circuits are a time-honored way to make accurate measurement of resistance and other analog values. This article covers the basics of bridge circuits and shows how to use them to make accurate measurements in practical environments. It details the key concerns of bridge-circuit applications such as noise, offset voltages and offset voltage drift, common-mode voltage, and excitation voltage. It describes how to interface bridges to high-resolution, analog-to-digital converters (ADCs) and the techniques for maximizing ADC capabilities.

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Comments

  1. Ken says:

    pick me

  2. Jerry Lueger says:

    Brings back memories of the good old impedance bridge.

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