High-Speed Intra-Pair Picosecond Skew & Via Barrel Z-Delay Calculator

Deterministic Layer-specific propagation velocity v_p = c / sqrt(eps_eff) + cylindrical via barrel LC delay sqrt(L_via * C_via) engine (.kicad_pcb, .csv, .odb, .json) built for Cadence, Altium Designer, KiCad, PCI-SIG — zero-upload ephemeral Wasm RAM execution.

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