SIT Curve Fitter Digitize SIT curves from an image and fit parameters for a spice model

Triode Curve Fitter Digitize triode curves from an image and fit parameters for a spice model

Interactive SIT Modeler (Classic) Manual parameter fitting for SIT spice models

Audio Magnetics Notebook Audio magnetics notebook

EI Bobbin Generator Generate EI bobbins for 3D printing

PCB Isolation Milling Make PCB’s with a desktop milling machine

Sheet Metal CAD Make panels and sheet metal parts

AP Portable One Capture Capture data from an AP Portable One

Ohm’s Law Calculator App Ohm’s Law calculator for your phone

Scientific Calculator App Scientific calculator for your phone with easy phasor math

LTspice Schematic Converter Convert LTspice schematics to SVG for print