Issue link: https://resources.pcb.cadence.com/i/1541046
11. Grouping by Functional Blocks and Signal Flow Organizing your PCB by functional blocks grouping related components by system function (power, analog, digital, RF, etc.) and arranging them according to the signal or power flow makes the board easier to route, debug, and upgrade. It minimizes noise coupling, reduces signal path lengths, prevents cross-domain interference, and streamlines troubleshooting for both you and others. Clear block organization is essential for any design with mixed-signal, power, and high-speed circuitry, and it's a mark of professional-grade layouts. When And Where To Apply Implement functional grouping and logical signal flow immediately after placing all fixed and critical components (see Tips 5-7) and before general placement of passives or secondary ICs. It applies to every board but is especially critical in designs with analog/ digital mix, power conversion, sensors, RF, or complex data interfaces. OrCAD X schematic – hierarchical design based on functional blocks