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SIwave
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Catalog excerpts

SIwave - 1

Realize Your Product Promise™

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SIwave - 2

SIwave is ideal for solving signal integrity, power integrity and EMI. Highlighted is a byte from a DDR3 DIMM module. Perform complete channel analysis, quickly and accurately, with ANSYS 3-D EM simulation tools. ANSYS SIwave builds in leading hybrid solver technology with a wide array of advanced features to thoroughly analyze your planar designs. Successful first-pass PCB, package and IC design requires accurate electromagnetic (EM) frequency and time-domain analyses — for the entire PCB or IC package as well as any packages merged on the board. Without a thorough 3-D EM simulation tool,...

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SIwave - 3

SIwave’s stackup editor includes the Huray surface roughness capability. RedHawk and Totem™ Die models Layout Design Cadence, Mentor Graphics, Sigrity, Altium, Zuken ANSYS Simplorer ANSYS SIwave SIwave imports layout geometry from major ECAD providers. After analysis, you can output results to Ansoft DesignerSI™, ANSYS Simplorer® or other SPICE-compatible tools for time- and frequency-domain analysis. ANSYS Icepak® calculates temperature distribution. Ansoft DesignerSI ANSYS Icepak HSPICE, PSpice With SIwave, you can solve S,Y and Z parameters from vias, ports, capacitors and inductors.

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SIwave - 4

SIwave provides powerful modeling capabilities for comprehensive PCB and package analysis Easy Layout Extraction SIwave extracts complete designs (which include multiple arbitrarily shaped power/ground layers, vias, signal traces and circuit elements) with unprecedented accuracy and speed from commercial ECAD software, without requiring timeconsuming manual layout partitioning. Prediction of EMI on a dual-processor quad-core PCB. Plot depicts nearfield magnetic field at 778 MHz. Specifically, SIwave extracts S, Y and Z parameters as well as IBIS interconnect models (ICM). Then, the tool...

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Users can easily merge electronic package models to a PCB. To achieve the highest fidelity results possible, our software includes modeling capabilities for trapezoidal and hexagonal trace cross sections, frequency-dependent materials, and highly accurate surface-roughness models. For advanced analysis, SIwave incorporates built-in capacitor libraries; it can import measured S-parameter datasets. Layout Editor for PCBs and Packages Even with embedded sophisticated solvers, SIwave has an intuitive, easy-to-use interface that allows you to quickly and easily create or manipulate layouts. The...

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Integrated DC Voltage, Current and Power-Loss Computation Module Using an adaptive mesh refinement procedure, SIwave enables you to perform pre- and postlayout DC voltage drop, DC current density, and DC power density analyses. These ensure that a given power distribution network (PDN) can source the power required by integrated circuits. You can combine this feature with ANSYS Icepak® to calculate the effect of DC current on the PCB’s overall thermal characterization, an industry-leading capability that enables closedloop simulation that takes into account the change in conductivity of...

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SIwave plots loop inductance between observation point and all capacitors on voltage plane SIwave PI Advisor An optional tool is PI Advisor™, a full-wave electromagnetic field solver that automatically optimizes power distribution systems for packages and boards. You can develop smaller form factor and lower-cost solutions by applying PI Advisor throughout the design cycle, from pre-layout to production boards (post-layout). Our leading-edge technology simplifies powerintegrity analysis via a unique genetic algorithm. As a result, it quickly determines the optimal capacitors using a...

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Specialized features address a wide range of design concerns, from near- and far-fields to trace characteristics to solution time. EM Interference/Compatibility You can apply SIwave for EMI/EMC testing for near- and far-field problems. By leveraging algorithms from ANSYS HFSS™, SIwave provides accurate, detailed descriptions of field interactions above and below boards and packages. When combined with resonant mode simulations, this feature predicts PCB field radiation patterns prior to manufacturing, thereby reducing the number of fabrication spins needed to meet emission standards. Our...

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SIwave - 9

Near-field EMI plot of DDR signal line Insertion and return losses on Xilinx FPGA board solved by SIwave Macro Modeling feature, for example, automatically creates output tables that contain stackup information, current and voltage sources, and DC current and voltage plots. SIwave delivers an unprecedented level of 3-D EM simulation accuracy for complete board and package designs. You can achieve full-channel transient simulation in multiple circuit simulator platforms. Patent-pending Tsuk−White algorithm (TWA) technology makes it possible to check and enforce passivity and causality across...

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ANSYS SIwave leverages the complete ANSYS portfolio for thermal distribution and optimization. SIwave and related electromagnetics tools are one part of our suite that delivers stateof-the-art functionality — depth, breadth, a plethora of advanced capabilities and integrated multiphysics — providing confidence that your simulation results reflect real-world outcomes. The comprehensive range of solutions provides access to virtually any field of engineering simulation that a design process requires. Organizations around the world trust ANSYS to help them realize their product promises....

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SIwave - 11

ANSYS SIwave Modeling AnsoftLinks can import ECAD geometry from Cadence, Mentor Graphics, Sigrity, Zuken, Altium Signal integrity (top) and power integrity (bottom) EMI Circuit Simulation S, Y, Z plot; automated DCIR reporting; signal net analyzer Frequency- and time-domain analysis can be performed in DesignerSI, Simplorer, HSPICE and PSice using SIwave results. Other ANSYS Engineering Simulation Capabilities ECAD Design Optimization Data Management The ANSYS suite provides modeling and geometry creation functions as well as tools for importing ECAD data from various sources. In addition,...

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