High Quality Content by WIKIPEDIA articles! CADSTAR is a Windows based EDA software tool for designing and creating schematic diagrams and printed circuit boards. It provides engineers with a competitively priced, scalable solution for designing simple or complex, multilayer PCBs. CADSTAR spans schematic capture, spice simulation, variant management, placement, automatic and high-speed routing, signal integrity, power integrity, EMC analysis, a 3D design tool, design rule checks and production of manufacturing data. It also features internet-accessible libraries of more than 250,000 parts. Originally developed by U.K. PCB vendor Racal-Redac, CADSTAR has been part of the Zuken product portfolio since its acquisition in 1994 .