For my needs I created this little PowerShell tool and I wanted to share it. It is made to help picking FETs based on their transfer curves.
Instead of just looking at the curves, it can calculate some basic numbers like how linear the device is across the range.
It’s mainly for people who want to select FETs by linearity, transconductance, and want an easier way to spot which FETs behave nicely, meaning more consistent gm and fewer surprises.
What it does:
PS. How to run it? Unpack it and in Windows just right click and "Run with PowerShell", for security reason please ALWAYS check the script or any other modified for any suspicious code, it is a text based file.
Instead of just looking at the curves, it can calculate some basic numbers like how linear the device is across the range.
It’s mainly for people who want to select FETs by linearity, transconductance, and want an easier way to spot which FETs behave nicely, meaning more consistent gm and fewer surprises.
What it does:
- Reads your transfer curve data (like from a Locky_Z tracer)
- Calculates transconductance (gm) at different points or average within the curve
- Gives a quick idea of how "linear" the FET really is (from 0 to 1 where 1 is a straight line)
- Makes it easier to pick better parts without having to guess from the graphs
PS. How to run it? Unpack it and in Windows just right click and "Run with PowerShell", for security reason please ALWAYS check the script or any other modified for any suspicious code, it is a text based file.
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