User manual

One Stop Systems OSS-PCIe-HIB25-x4-H/T
Rev. A
3. Signal adjustment
3.a. Signal Adjustment
The following chart indicates the default settings for the signal equalization.
The following chart indicates the default settings of the –position dip switch for output swing control.
The following chart indicates the default setting for de-emphasis adjustment.
SEL_2[A:D] SEL_1[A:D] SEL_0[A:D] @1.25GHZ @2.5GHZ
0 0 0 0.5dB 1.2dB
0 0 1 0.6dB 1.5dB
0 1 0 1.0dB 2.6dB
0 1 1 1.9dB 4.3dB
1 0 0 2.8dB 5.8dB
1 0 1 3.6dB 7.1dB
1 1 0 5.0dB 9.0dB
1 1 1 7.7dB 12.3dB
S_1[A:D] S_0[A:D] Swing (Diff. VPP)
0 0 1V
0 1 05V
1 0 0.7V
1 1 0.9V
D2_[A:D] D1_[A:D] D0_[A;D] De-emphasis
0 0 0 0dB
0 0 1 -2.5dB
0 1 0 -3.5dB
0 1 1 -4.5dB
1 0 0 -5.5dB
1 0 1 -6.5dB
1 1 0 -7.5dB
1 1 1 -8.5dB
Edge
Default
Cable
Default
Table 1: Equalizer Selection (refer to call-out on photo)
Cable
Default
Edge
Default
Table 2: Output Swing Control (refer to call-out on photo)
Table 3: De-emphasis Adjustment (refer to call-out on photo)
SW=ON
Default
SW=OFF
Default
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