HP ProLiant BL660c Electrical signal integrity considerations for HP BladeSyst - Page 14
of a board for more than two inches of cumulative distance. The length of trace segments that are
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of a board for more than two inches of cumulative distance. The length of trace segments that are parallel to the edge of a board should be minimized as much as possible. Traces should be at an angle of at least 10º to a board edge. This is to reduce the effects of PCB fiber weave on board impedance and propagation velocity on differential traces (see Figure 13). Figure 13. Zig-Zag routing example 14
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of a board for more than two inches of cumulative distance. The length of trace segments that are
parallel to the edge of a board should be minimized as much as possible. Traces should be at an
angle of at least 10ยบ to a board edge. This is to reduce the effects of PCB fiber weave on board
impedance and propagation velocity on differential traces (see Figure 13).
Figure 13.
Zig-Zag routing example
14