Circuit response is perfectly linear with a 1:1 ratio between output voltage and resistor mismatch

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Other Materials from the Main Document

• Article «Circuits to help verify matched resistors»
• Figure 1. The intuitive solution is a circuit made of a Wheatstone bridge and an instrumentation amplifier
• Figure 2. Circuit response is perfectly linear with a 1:1 ratio between output voltage and resistor mismatch
• Figure 3. This circuit also provides a perfect 1:1 response, but at a lower cost
• Figure 4. The transfer function provides a convenient one-to-one reading