Machine Design

Software Simulates Electromagnetics

SIwave V2, a full-wave electromagnetic field simulator, analyzes signal and power-integrity effects in high-performance printed-circuit boards (PCBs) and integrated-circuit (IC) packages.

Siwave V2 lets engineers model entire PCBs and package structures using an analysis engine to generate frequency and time-domain results.

The softwares full-wave, finite-element technique lets designers characterize simultaneous switching noise (SSN), inter-symbol interference, power and ground bounce, resonance, reflections, and coupling between traces and power/ground planes. The software works with layout tools such as Cadence Allegro and APD and Synopsys Encore. Features include power plane impedance, Spice exports, and signal net analysis (including coupled transmission lines).

Ansoft Corp., Four Station Square, Suite 660, Pittsburgh, PA 15219, (412) 261-3200,


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