This article presents a complete, IEC 61508–grounded PSU design workflow that separates systematic and random hardware failures—addressing each through circuit-level safeguards and an iterative FMEDA-driven methodology—giving engineering teams a clear, repeatable path to meeting SIL targets for SFF and PFH/PFD avg.

This article uniquely demonstrates phase repeatability across power cycles in a modular digital beamforming system—a capability critical to real-world phased-array deployments that is rarely validated end-to-end. Through leader-follower multichip synchronization across multiple MxFE-equipped boards, it translates synchronization theory into a practical, scalable architecture backed by rigorous statistical proof.

This article challenges a common assumption by proving that virtual grounds aren't exclusive to op amp circuits: applying half-circuit analysis to a CM-DM EMI filter to reveal a broader, more powerful circuit analysis toolkit most engineers have overlooked.