Ansoft全面升级HF、SI系列工具（三）

This file contains important information regarding the installation and
use of SIwave 3.0. When appropriate, late-breaking information is
provided herein that could not be included in the software documentation.

SYSTEM REQUIREMENTS
-------------------
Minimum System Requirements

Processor: All fully compatible 686 (or later) instruction set processors, 500 MHz
Hard Drive Space: 112 MB
RAM: 256 MB
Video card memory: 16MB

Recommended Minimum Configuration (for Optimal Performance)

Processor: All fully compatible 786 (or later) instruction set processors, 1 GHz
Hard Drive Space: 4 GB
RAM: 2 GB
Video card memory: 32MB

If you are using the NVIDIA Quadro2 MXR/EX video card on Windows 2000 or Windows XP,
you should also download Version 40.41 or greater video driver, available for download
at http://www.nvidia.com.

Supported Operating Systems:
- Windows 2000 Professional
- Windows XP Professional

INSTALLATION
------------

This CD contains the following installation options:
- Install SIwave
- Install Integration to Layout Tools
- Cadence Allegro
- Cadence APD
- Synopsys Encore
- Zuken CR5000
- Mentor Board Station
- Install WebUpdate

TECHNICAL SUPPORT
-----------------
For Ansoft technical support staff in your geographical area, please
log on to the Ansoft corporate website, http://www.ansoft.com, and select
"Contact". You may also contact your Ansoft account manager to obtain
this information.

Please provide the following information when you contact us:
- Your name and affiliation
- Version number of SIwave
- The type of hardware and operating system you are using
- A description of what happened and what you were doing when the
problem occurred
- The exact wording of any messages that appeared on the screen

SIwave design files (.siw) are ASCII text and can be sent by e-mail.

SUMMARY OF UPDATES
------------------
SIwave 3.0 contains many bug fixes and enhancements not limited to the following:

- Merge IC package to PCB
- Compute and plot radiated far fields SIwave Reporter
- EMI link with HFSS 10.0
- This link will call SIwave to compute near field or far field data to be used
in HFSS simulation
- Data link with Ansoft Designer 2.1
- Designer will import circuit data from SIwave for previously solved designs,
or will launch SIwave to run analysis and extract data
- Pin grouping capability which allows pins to be clustered into a single node
- Rapid port assignment between pins or groups of pins
- Design validation check has been added to catch most problems prior to solving
- Lumped RLC extraction from S-parameter data
- Speed and memory reductions for SYZ and resonant mode computation
- Improved accuracy for all analysis types
- Improved convergence for interpolating sweeps
- Adjust transparency of layers
- Added Taiyo-Yuden capacitor models to component database
- Polygonal geometry selection
- Added ability to select geometry and circuit elements based on type
- Enhanced ability to view planes, traces, pads and circuit elements on a per layer basis
- Introduce infinite ground plane at user defined elevation
- Ability to import layouts from Mentor Expedition and PADS PowerPCB within the SIwave GUI
by pointing to the *.hkp files.

Ansoft Announces Q3D Extractor v7

PITTSBURGH - Aug. 23, 2005 - Ansoft Corporation (NASDAQ: ANST) today released Q3D Extractor?v7, the company's 3D quasi-static electromagnetic parasitic extraction tool. Q3D Extractor computes 3D RLC/2D RLCG parameters from interconnect structures and automatically generates an equivalent SPICE circuit.

This release introduces new features that make it easier and more reliable for engineers to import 3D CAD models and integrated circuit (IC), printed circuit board (PCB) and package layouts from third-party tools. A new fault-tolerant meshing algorithm has been added to make the meshing process tolerant to anomalies that occur in geometric data from CAD/EDA software programs. The new release also provides automatic and interactive model healing techniques that allow users to detect and repair errors in imported geometry. These new capabilities reduce engineering time by streamlining the process of design translation and parasitic extraction.

Q3D Extractor v7 also provides access to more computing power through the introduction of Distributed Analysis. The Distributed Analysis option allows users to expedite design space studies by using multiple computers on a network to analyze different design variations. This dramatically reduces overall analysis time while maximizing the use of existing computer hardware. Users define parametric sweeps of design variables, and the software automatically sends each instance off to separate machines to be solved. The results are then automatically reassembled for post-processing.

Q3D Extractor v7 users can now take advantage of 64-bit Windows?platforms. Using the 64-bit solvers in the new release, users can access practically unlimited amounts of RAM to solve the most demanding computational problems. In addition, Q3D Extractor v7 adds support for the Red Hat Linux operating system in both 32- and 64-bit editions.

Additional features include:

Ability to export S-parameters in Touchstone and other common formats
A new setting for Multipole Expansion Order
Improves convergence and accuracy for demanding AC inductance calculations
More efficient meshing for DC inductance problems
New Geometry Artifact Visualization
New SNLP (Sequential Nonlinear Programming) optimizer within Optimetrics?(cost option)
Distributed Analysis (cost option) for parallel computing of electromagnetic-field solutions

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