The LMH12x9 performance was
measured with the test setups shown in Figure 7-4 and Figure 7-5.
The eye diagrams measured on the LMH1239EVM in
this subsection show the LMH12x9 100Ω differential PCB output at OUT0± and
OUT1± and LMH12x9 75Ω loop-through cable output at SDI_OUT+.
VOD_DE = F, SDI_OUT_SEL = H, OUT_CTRL =
F
Figure 7-6 OUT0± at 11.88
Gbps (12G-SDI), CC = 100m Belden 1694A, ReclockedVOD_DE = F, SDI_OUT_SEL = L, OUT_CTRL =
F
Figure 7-8 SDI_OUT+ at
11.88Gbps (12G-SDI), CC = 90m Belden 1694A, ReclockedVOD_DE = F, SDI_OUT_SEL
= H, OUT_CTRL = F
Figure 7-7 OUT1± at 11.88
Gbps (12G-SDI), CC = 100m Belden 1694A, ReclockedVOD_DE = F, SDI_OUT_SEL = L, OUT_CTRL =
F
Figure 7-9 OUT0± BER at
11.88Gbps (12G-SDI), CC = 100m Belden 1694A, Reclocked