DS125BR800 Datasheet, PDF (45/59 Pages) Texas Instruments – Low-Power 12.5-Gbps 8-Channel Repeater With Input Equalization and Output De-Emphasis

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Typical Application (continued)
DS125BR800
SNLS426E – AUGUST 2012 – REVISED JANUARY 2015
Pattern
Generator
V_ID = 1.0 Vp-p
DE = 0 dB
PRBS15
TL
Lossy Channel
IN
DS125BR800 OUT
Figure 10. Test Setup Connections Diagram
Scope
BW = 60 GHz
Pattern
Generator
V_ID = 1.0 Vp-p
DE = –6 dB
PRBS15
Tl1
Lossy Channel
IN
DS125BR800 OUT
Tl2
Lossy Channel
Figure 11. Test Setup Connections Diagram
9.2.3 Application Curves
Scope
BW = 60 GHz
DS125BR800 settings: EQ[1:0] = 0, F = 0x02, DEM[1:0] = 0, 1
Figure 12. TL = 10 inch 5–mil FR4 trace, 5 Gbps
DS125BR800 settings: EQ[1:0] = 0, F = 0x02, DEM[1:0] = 0, 1
Figure 13. TL = 10 inch 5–mil FR4 trace, 8 Gbps
DS125BR800 settings: EQ[1:0] = 0, R = 0x01, DEM[1:0] = 0, 1
Figure 14. TL = 10 inch 5–mil FR4 trace, 12 Gbps
DS125BR800 settings: EQ[1:0] = 0, 1 = 0x03, DEM[1:0] = 0, 1
Figure 15. TL = 20 inch 5–mil FR4 trace, 5 Gbps
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