The Cadence SPB OrCAD that to Allegro PCB or OrCAD PCB is also known as The … includes different apps for design, schematic, etc. The phrase OrCAD from two word Oregon, which is the state place of birth versions of the initial software, this software has been the CAD stands for Computer-aided design and able design of the computer is composed. Software OrCAD is one of the best and most professional programs, simulator and analyst of electronic circuits, and is in the category applications, automation, design, electron, Electronic Design Automation, or briefly EDA) is used.