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李淑英

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[电源设计]

基于桥式配置的应变仪电阻测量设计包括BOM及原理图

描述
This strain gauge reference design accurately measures the resistance of a strain gauge by being placed in a bridge configuration. The differential voltage of the bridge produced by variation in strain gauge resistance is amplified using the INA333. The bridge excitation voltage and INA333 reference  (...)






主要特色

  • Measured Uncalibrated Error = 0.953 %
  • Measured Calibrated Error = 0.0154 %
  • 5 V Single Supply
  • Output : 225 mV to 4.72 V
  • 2.5 V Reference Voltage
  • This strain gauge reference design includes theory, complete error analysis, component selection, simulation, PCB design, and measured data that correlates with  (...)

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