Ansoft Releases SIwave v3.5
10 Juillet 2007 - 10:00PM
Business Wire
Ansoft Corporation (NASDAQ:ANST) released SIwave� v3.5, a full-wave
electromagnetic field simulator optimized for signal-integrity,
power-integrity, and electromagnetic interference (EMI) analysis of
high-speed printed circuit boards (PCBs) and complex integrated
circuit (IC) packages. The new release features a fast and
efficient finite-element-based DC solver optimized for extraction
of power rail geometry in complex low-voltage/high-current PCB and
package designs. Engineers can view voltage and current
distributions in all relevant geometry including vias and bond
wires. In addition, users have access to voltage drop and current
flow information through all layout elements (vias, bond wires,
sources, resistors, inductors, etc.) in tabular format, allowing
engineers to quickly identify design rule violations. SIwave v3.5,
leveraging Ansoft�s industry-leading adaptive mesh refinement
technology, allows users to find layout problems quickly and warns
of possible bond wire and via electromigration damage prior to the
fabrication of a prototype. �SIwave is a key technology for
enabling the new era of mixed-signal electronics design driven by
form-factor, functionality and integration,� said Dr. Zoltan
Cendes, chairman and chief technology officer of Ansoft. �Extreme
integration in wireless handheld devices, for example, creates new
challenges for RF performance, system signal integrity,
system-level EMI, low power and communications reliability. SIwave,
combined with HFSS�, Nexxim� and DesignerSI�, form a system design
platform capable of addressing these challenges.� SIwave accurately
simulates the electromagnetic behavior of complex PCBs and IC
packages, including multiple, arbitrarily shaped power and ground
layers and any number of vias and signal traces. The resulting
full-wave S-,Y- or Z-parameters or GHz-bandwidth circuit model is
used in concert with time- and frequency-domain analyses within
Nexxim and DesignerSI or third-party SPICE-compatible circuit
tools. Engineers use SIwave to extract a model for the complex
interactions among traces on the board, the coupled impedances
within the IC package and between package pins and the PCB. That
model can then be used in a top-level circuit simulation to
characterize the nonlinear behavior of an IC, including the package
and board parasitics. This chip-package-board co-simulation is
critical for reliable integrated electronics system performance.
Highlights of SIwave v3.5 -- Fast and efficient DC solver (for IR
drop verification) -- 64-bit capability for all solvers --
Frequency-dependent source implementation -- Linear interpolation
to fit external source datasets -- External sources can have
frequency-dependent impedance -- Frequency-dependent material model
(Djordjevi?-Sarkar) -- Causal trace and via models -- Visualization
of near E and H fields -- Clip Design tool to quickly remove
extraneous portions of complex designs -- Improved dynamic link
between SIwave and HFSS -- Link based on both E- and H-field --
Automated frequency spectrum transfer using dynamic link to Nexxim
v3.5 and Ansoft Designer v3.5 To learn more, please visit
www.ansoft.com/siwave. Pricing and Availability SIwave v3.5 is
available on the following operating systems: Microsoft Windows� XP
Professional; Windows XP Professional x64 Edition; Windows Server
2003 Standard Edition; Windows Server 2003 Standard x64 Edition;
and Red Hat Enterprise Linux� 3 and 4. For pricing information,
contact your nearest Ansoft sales office. Editors To download
high-resolution SIwave screen shots, go to
ftp://ftp.ansoft.com/techsup/download/web/primg/siwave_v3.5.zip.
About Ansoft Ansoft is a leading developer of high-performance
electronic design automation (EDA) software. Engineers use Ansoft
software to achieve first-pass system success when designing mobile
communication and Internet-access devices, broadband networking
components and systems, integrated circuits (ICs), printed circuit
boards (PCBs), automotive electronic and power electronics systems.
Ansoft markets its products worldwide through its own direct sales
force and has comprehensive customer-support and training offices
throughout North America, Asia and Europe. For more information,
please visit www.ansoft.com.
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