Test Circuit to Extract the Pole of an Optocoupler Model

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b355a8ba-7ee4-4419-af5d-9f3786b40b2b.zip

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Description

This simple circuit shows how to locate the pole of the optocoupler model, calculating the pole added by the capacitor Cpole= 1/(6.28*Fp*Rpullup), where Fp is the bandwidth of the collector voltage. In this SPICE simulation Cpole is 2.2nF and Fp is 3500hz.

  • : Free
  • : Simple
  • :
  • : Micro-cap
  • : 10+
  • : No

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