DS125BR401SQ Datasheet, PDF (43/52 Pages) Texas Instruments – Low-Power 12.5-Gbps 4-Lane Repeater With Input Equalization and Output De-Emphasis

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DS125BR401
SNLS419C – JULY 2012 – REVISED APRIL 2013
Typical Performance Eye Diagrams Characteristics (continued)
DS125BR401 settings: EQ[1:0] = R, 1 = 0F'h, DEM[1:0] = 0, 1
Figure 21. TL1 = 8-meter 30-AWG 100 Ohm Twin-axial Cable, 12 Gbps
Pattern
Generator
V_ID = 1.0 Vp-p,
DE = -6 dB
PRBS15
TL1
Lossy Channel
IN DS125BR401 OUT
TL2
Lossy Channel
Figure 22. Test Setup Connections Diagram
Scope
BW = 60 GHz
DS125BR401 settings: EQ[1:0] = 0, 1 = 03'h, DEM[1:0] = R, 0
Figure 23. TL1 = 20 inch 5–mil FR4 trace, TL2 = 10 inch 5–mil FR4 trace, 5 Gbps
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