10HSI-S008-R0-C Datasheet, PDF (31/71 Pages) Hirose Electric – IT3 Mezzanine Connector (32mm)

Signal Integrity Report – IT3 (32mm)
Page 31
Figure 53 TDR and TDT waveforms @120ps rise time (20% to 80%) and 2.625GHz BW for pair 8 of IT3-32mm
20% TO 80% RISE TIME
(PS)
30
WORST PAIR-TO-PAIR NEXT
(%)
1.334
WORST PAIR-TO-PAIR FEXT
(%)
1.423
60
0.858
0.714
120
0.575
0.364
Table 7 Summary of Time-domain SDD for pair 8 of IT3-32mm
3.2.3.2 60% density pin assignment
Figure 54 - Figure 56 show the TDR and TDT waveforms at 30ps, 60ps and 120ps rise times
(20% to 80%) for pair 4 of IT3-32mm for 60% pin density configuration. The worst cross-talk
values to the center pair are summarized in Table 8.