QT2022/32 - Data Sheet: DS3051
Figure 50: LOSOUTB Hysteresis
LOSOUTB
High
Low
RXIN (per side)
ASSERT
DEASSERT
Table 71: Serial Transmitter Specifications
Parameter
Description
LAN Mode
Min
Typ
Max
Units
Conditions
fTXOUT
10.3125
10.51875
Gb/s
10GE applications
10GFC applications
nominal bit rat
WAN Mode
nominal bit rate
(QT2032 only)
9.95328
Gb/s
SREFSEL = “0”, fSREF*64
SREFSEL = “1”, fSREF*16
Zse
single-ended output
impedance
50
Ω
Zd
differential output impedance
100
Ω
Zm
Single-ended impedance
mismatch
5
%
Differential Output Amplitude
360
24
Figure 51
mVpp
output voltage swing set by external resistor
connected to TXLEVEL pin.
TxLEVEL = 4.53kΩ
Tr, Tf
Output Rise and Fall Times
ps
20 to 80%. See Note 2.
Output AC Common Mode
Voltage
15
mVrms
SDD22
differential output return loss
differential output return loss
20
10
dB
dB
dB
0.05-0.1GHz
0.1-7.5GHz
7.5-15GHz
differential output return loss
(see Note 1)
SCC22
DJ
common-mode output return
loss
6
dB
0.1-15GHz
LAN Mode
Deterministic Jitter
0.05
0.10
0.07
UI pp
TxLEVEL = 4.53kΩ
198
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