PCB Design Typical high-speed board

"Strict requirement for time sequence;Multiple pairs of 3.12G signals, 48 pairs of 1.25Gsignals, and each pair of signal is 13 inches long;Strictly controlled impedance, various kinds ofpower supplies,8 kinds of current above 6 Amperes,a large number of phase lock loops (PLLs);The number of pins on a board is more than 25000, and a large number of network rules;
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PCB Design Typical high-speed board