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ANSYS SIwave
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ANSYS SIwave ANSYS simulation technology enables you to predict with confidence that your products will thrive in the real world. Customers trust our software to help ensure the integrity of their products and drive business success through innovation. Power integrity, signal integrity and EMI SIwave is a dedicated tool for electrical analysis of full PCB and complex electronic packages. SIwave solves interrelated PI, SI, and EMI challenges to deliver predictive analysis for your design. It provides solutions in both the Time & Frequency domains. 3D Power Integrity Electronic Package Design Access a streamlined 3D design flow that enables complete package system analysis using sign-off verification for package power integrity. Integrated with layout tools Seamless integration with EDA layout tools to create customized signal integrity, power integrity and EMI design flows. SIwave – PI: Fully automated de-coupling analysis used to improve noise margins on signal nets due to power fluctuations caused by large transient currents ( ). SIwave – DC: Engineers from Sarcina Technology LLC used ANSYS SIwave to extract DDR3 electrical models for both a PCB and its daughter card to analyze the performance of application-specific ICs used in Big Data applications and the Internet of Things. SIwave: LSI Corporation used ANSYS Chip Signal Model and ANSYS SIwave to show that voltage swings on the signal network of a DDR parallel interface circuit were coupling to the power supply of the PLL, resulting in phase error between the PLL reference clock and output clock. Additionally fast PCB and PKG characteristic impedance scanning was performed to quickly determine problems due to routing and stackup

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Solver Technology • Hybrid (MoM) 2.5D AC Electromag netic solver • Finite Element based DC resistance solver Geometry Entry and Import • SIwave GUI & Electronics Desktop • MCAD (.sat) Generation from ECAD 3D Layout GUI • ECAD Translation (Altium, Cadence, Mentor, & Zuken) Electromagnetic Analysis • DC Voltage, Current and Power Analysis for PKG/PCB • DC Joule Heating with ANSYS Icepak • Passive Excitation Plane Resonance Analysis • Driven Excitation Plane Resonance Analysis • Automated Decoupling Analysis ANSYS Multiphysics solutions help cross-functional engineering organizations predict...

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