Offers the LINMIC+/N microwave and RF IC design suite; mostly electromagnetics-based.

Tools to simplify analog and RF design.

Electrical power systems design software.

Power Flow, Short-Circuit, Motor Starting, Transient Stability, Cable Ampacity, Protection Coordination, Distribution Primary Analysis, Grounding Design.

Home page of free RF/microwave harmonic balance circuit simulator. It is useful for analog nonlinear circuits simulation with diode and MESFET nonlinear elements.

Infolytica Corporation is a leader in electromagnetics design software for both low and high frequency applications.

pspice.com - an eda product and software community site for pspice user. Includes analog and mixed analog/digital circuit simulator information from OrCAD.

Windows software for design of active filters and linear circuit simulation

A source of in depth information useful to users of circuit simulators such as SPICE.