-- Engineering and manufacturing teams to work together to transition Printed Circuit Boards
-- The largest PCB CAM software company in the world
-- PCB stackup, signal integrity and controlled impedance
PCB layout software
-- Free Lightversion available.
3、 Altium Designer
-- 30 day trial version available. Free, old DOS Version EasyTrax available for download.
-- CAD/CAM software for PCB schematic and layout.
5、 DesignSpark PCB
-- CAD/CAM software for PCB circuit diagram and layout. Full version available for free.
-- An open source initiative that supports users in their creative work with interactive electronics.