QT2022/32 - Data Sheet: DS3051
Table 71: Serial Transmitter Specifications (Continued)
Parameter
Description
LAN Mode
Min
Typ
See
Max
Units
Conditions
TJ
0.30
UI pp
TxLEVEL = 4.53kΩ
Total jitter
Figure 51
WAN Mode
7
mUIrms 50kHz - 80MHz
Total Output Jitter (TJ)
(QT2032 only)
See Note 3.
50
mUIpp
50kHz - 80MHz
measured over a 60s interval
150
mUIpp
20kHz - 80MHz
measured over a 60s interval
Eye Mask
Figure 51
See Note 3.
Note 1: Return Loss given by equation SDD22(dB)= 10 - 16.6Log10(f/7.5), with f in GHz
Note 2: Measured using a low-frequency square-wave pattern to allow for settling of the waveform resulting in an accurate
topline and baseline reference.
Note 3: All reference clocks are driven differentially.
Figure 51: 10.3125Gb/s Transmitter Output Compliance Mask
+385
+180
Differential
Amplitude
mVpp
0
-180
-385
X1=0.15
X2=0.4
1-X1=0.85
1-X2=0.6
Time in UI
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