B2 Spice is the latest version of the popular and powerful mixed mode EDA (Electronic Design Automation) simulator, with new standards in ease-of-use, power, and capabilities. B2 Spice contains a plethora of additional features, from complete digital circuits to radio frequency simulation and PCB design and includes a standard library of over 25,000 parts. There's no limit on the size of your design and results are easy to understand and interpret.