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High-Speed Layout

Technical notes, layout decisions, and design reviews filed under High-Speed Layout.

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October 20, 2026PCB RoutingHigh-Speed Layout

USB 3.0 PCB Layout: The Rules That Actually Decide If It Works

USB 3.0 layout rules that matter: 90 ohm differential impedance, the 150 mil length mismatch budget, reference plane continuity and connector escape.

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