board designer freeware downloads
ExPCB Helper
1.3 freeware download... key macro program designed to help a circuit board designer create interesting shapes and logos on a pc board design. Functional Highlights: Draw a N sided Polygon ...
Sonnet Lite
18.53 freeware download... globe. Many major manufacturers of high-frequency components and boards depend on Sonnet to analyze their predominantly planar high-frequency designs from 1 MHz through several THz. ...
XCircuit
3.8 freeware download... of graphical objects, including architectural drawing, printed circuit board layouts ...