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The instrumentation Amplifier with CMRR Calibration

2015-01-01 14:37  
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The instrumentation Amplifier with CMRR Calibration
Common mode rejection ratio (CMMR) is one parameter that specify the instrumentation performance. LM4250 is high performance op-amp which is characterized by very low power consumption. With special arrangement as shown in the following schematic diagram, the instrumentation amplifier circuit will be featured with calibration to maximize the CMMR performance.