- FREE TOOLS
ViewMate - an excellent Gerber
viewer that accepts most aperture list formats.
ViewMate
- Convert - a useful conversion program
for converting almost any units of distance, area, volume, power, energy, etc.
Convert
UltraCAD - a freeware program
for calculating characteristic impedance for PCB traces. This site also has good technical papers regarding PCB
layout.
UltraCad
- WinZip - our preferred Zip utility WinZip
FreeDiff - A freeware text comparison utility FreeDiff
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