DS80PCI800SQ Datasheet, PDF (38/45 Pages) Texas Instruments – DS80PCI800 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater

DS80PCI800
SNLS334E – APRIL 2011 – REVISED MARCH 2012
www.ti.com
Figure 13. TL = 35 inch 4–mil FR4 trace,
DS80PCI800 settings: EQ[1:0] = float, R = 1F'h, DEM[1:0] = float, float
Pattern
Generator
V_ID = 1.0 Vp-p,
DE = -9 dB
8 Gb/s, PRBS23
TL1
Lossy Channel
IN DS80PCI800 OUT
TL2
Lossy Channel
Figure 14. Test Setup Connections Diagram
Scope
BW = 50 GHz
Figure 15. TL1 = 20 inch 4–mil FR4 trace, TL2 = 15 inch 4–mil FR4 trace,
DS80PCI800 settings: EQ[1:0] = R, R = 15'h, DEM[1:0] = float, float
Figure 16. TL1 = 30 inch 4–mil FR4 trace, TL2 = 15 inch 4–mil FR4 trace,
DS80PCI800 settings: EQ[1:0] = R, 1 = 0F'h, DEM[1:0] = float, float
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