NXP Semiconductors
UM11596
PTN3944 linear equalizer application board user manual
File
Description
Equivalent Jumper Setting
Figure 37. Example EQ/OSL settings for PCIe Gen 4 TX compliance test
%Top LCTRL[2:1]=[1,0] {EQ=11.5dB@8GHz}
%Top LCTRL[3]=1 {OSL=950mVppd}
%Top FG[2:1]=[0,0] {+0.7dB on All Channels}
DUT[0x23-20][0x07] = 0x07 0x03 0x07 0x03 0x07 0x03 0x07 0x03;
DUT[0x23-20][0x03] = 0x00;
%Bottom LCTRL[2:1]=[1,z] {EQ=9.1dB@8GHz}
%Bottom LCTRL[3]=1 {OSL=950mVppd}
%Bottom FG[2:1]=[1,1] {-0.7dB on All Channels}
DUT[0x2b-28][0x07] = 0x05 0x03 0x05 0x03 0x05 0x03 0x05 0x03;
DUT[0x2b-28][0x03] = 0x0f;
PTN3944_AIC_RX.txt
Example EQ/OSL settings for PCIe Gen 4 RX Compliance Test
Table 10. Examples of script file content
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UM11596
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User manual
Rev. 1 — 14 July 2021
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