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THE FEUTEX TOOLKIT

Shot Noise in a Current Measurement

Estimate Poisson shot noise and relative current uncertainty over bandwidth.

Signal Processing workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaIrms=√(2qIB)
Sources and model references

How to use this tool

  1. Enter the labeled inputs in the indicated units.
  2. Calculate and compare every output against the stated model assumptions.

Try this example

{
  "i": 0.000001,
  "b": 10000
}

Accuracy and scope

Independent charge arrivals; excludes excess noise, gain fluctuations and thermal noise. Simplified analytical model; not a design recommendation or safety certification.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.