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Typically this board shows aberrations of 1%.
Aberration adjustments are interactive with rise time adjustments. When
you have completed this aberration adjustment, verify the edge rise time to
ensure that it remains within tolerance. If it does not, repeat the aberration
and rise time adjustments until you achieve the best compromise, within the
listed tolerance levels.
20 ns
Figure 6-36. Adjusting the Peak Base with R57
Adjust R1 so the first 2ns
are as flat as possible.
Figure 6-37. Adjust the Ledge Flatness with R1
SC300 Hardware Adjustments for the A4 Board
Note
R57
R57
SC300 Option
R168
R16
R1
om042f.eps
R168
R16
R1
om043f.eps
6
6-121
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