Founded in 1985 by John Durbetaki, Ken and Keith Seymour as “OrCAD Systems Corporation” in Hillsboro, Oregon, the company became a supplier of desktop electronic design automation (EDA) software. " l, T# i+ C4 |# eThe company's first product was SDT (Schematic Design Tools) * f" w& [- b! l7 ?; c" X) d7 U3 S# b/ {/ ~+ u; ^
OrCAD SDT 是存在3.X版和4.X版的稱呼。使用於DOS系統。 8 i/ \" m+ |5 q) ~, s6 _進入OrCAD 7.X版以後就稱呼 OrCAD Capture。' [' ?' w B2 u; I3 d |# V