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40 DESIGN007 MAGAZINE I SEPTEMBER 2025 F i g u re 5 : P roto c o l c o m p l i a n c e a n a l y ze s syste m i nte rc o n n e ct s fo r c o m p l i a n c e w i t h t h e a p p l i c a b l e st a n d a rd . I n t h i s c a s e, we a re u s i n g t h e C E I - 5 6 G -VS R- PA M 4 p roto c o l to a n a l y ze 72 5 6 G n et s o n a b o a rd . ▼ using technology-based models or employing a "model-free approach." This analysis consists of checking the design against industry standards. It F i g u re 6 : I B I S-A M I s i m u l at i o n b u i l d s u p o n t h e c r i t i c a l 3 D a re a s a n d c h a n n e l m o d e l s c re ate d f ro m c o m p l i - a n c e a n a l ys i s . T h e re s u l t s f ro m c o m p l i a n c e a n a l ys i s h e l p reve a l t h e n et s t h at p e r fo r m t h e wo rst a n d n e e d to b e fo c u s e d o n . ▼ uses generic, technology-based models to look for things like basic signal quality and skew problems. The goal of this step is to simulate all necessary nets while simultaneously identifying signals that may benefit from additional analysis. Simulation Report Comparison Made Easy Vendor (IBIS-AMI) model simulation replaces the technology-based models. It enables the highest level of accuracy, but also requires more expertise to set up, run, and interrupt the results. Device-specific analysis is particularly detailed and time-consuming, and usually, only experts who do it for a living have the necessary skills and knowledge to perform it meaningfully. Empowering PCB designers to take control of the verification process ensures that issues are identified and resolved throughout the design cycle, leading to more reliable and timely project completion of higher quality products. DESIGN007 Kirk Fabbri is a HyperLynx technical marketing engineering manager for Siemens DISW EBS.