Transimpedance Amplifier with Feedback Resistor vs Tee Network

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two current-to-voltage converters are implemented with different solutions: an operational amplifier OPA637 with feedback resistor and the same operational amplifier in a Tee network configuration. The first solution shows a lower noise, and therefore a higher signal-to-noise ratio, a lower DC offset and drift. These devices are used as high sensitivity transimpedance photodiode amplifiers, the current source represents the photodiode.

  • Free
  • Simple
  • 11-20
  • TINA
  • 7+
  • No
  • DB gain vs frequency outputvoltagevsinputcurrent low noise level in the resistor feedback solution


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