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106 I-CONNECT007 MAGAZINE I JUNE 2026 are rapidly becoming a foundational component of this transformation. Organizations that rely solely on traditional build- test-fix methodologies may find themselves increas- ingly constrained by schedule pressure, escalating costs, and growing system complexity. Conversely, companies embracing predictive engineering meth- odologies will be positioned to develop products fast- er, with greater confidence and fewer costly surprises. Final Thoughts The PCB industry has historically excelled at solving problems after they occur. The digital twin enables something far more powerful: preventing those problems from occurring in the first place. The digi- tal twin is an essential engineering capability for modern complex electronics, where the ability to model, simulate, validate, and optimize designs vir- tually, before fabrication, will become increasingly indispensable. The transition from reactive engineering to predic- tive engineering may ultimately become one of the most important shifts in the future of PCB design. I-CONNECT007 Stephen V. Chavez is principal technical prod- uct marketing manager at Siemens EDA and chair of PCEA. of truth throughout the product lifecycle. This be- comes increasingly important as designs grow more complex and globally distributed development teams become the norm. Digital Twins and Engineering Productivity Perhaps one of the most overlooked benefits of digital twin adoption is the impact on engineering productivity. PCB designers and engineers spend a tremendous amount of time reacting to problems that could have been identified earlier. Every un- expected SI issue, thermal problem, EMI failure, or mechanical conflict introduces delays, redesign ef- fort, and unnecessary engineering churn. Digital twin methodologies reduce this inefficiency by shifting validation forward into the design process itself. This allows engineers to spend less time debug- ging preventable issues and more time focusing on innovation and optimization. In some respects, the digital twin acts as an engineering force multiplier. The Industry Shift Toward Predictive Engineering The electronics industry is undergoing a broader transformation from experience-driven engineering toward data-driven engineering. That does not di- minish the value of engineering expertise. Rather, it enhances it. The most effective engineering organizations will combine deep domain knowledge with predictive digital technologies to accelerate development while improving product quality and reliability. Digital twins