Specifications

WIFI-2-V897EA1
IEEE 802.11a/b/g/n/ac 2T2R
page 19
of
25
Symbol Parameter Min. Typ. Max. Unit
UI
Unit interval
Each UI 400 ps±300 PPM
UI does not account for SSC dictated variations
399.98 400- 400.12 ps
V
TX-DIFFpp
Differential peak-to-peak output voltage
V
TX_DIFFpp
=2*|V
TX_D+
-V
TX_D-
|
0.8 - 1.2 V
V
TX-DE-RATIO
De-emphasized differential output voltage(radio) -3.0 -3.5 -4.0 dB
T
RX-EYE
Minimum Tx eye width 0.75 - - UI
T
RX-EYE-MEDIAN-_
MAX-JIT
Maximum time between jitter median and
maximum deviation from median
- - 0.125 UI
T
TX-RISE
T
TX-FALL
D+/D- Tx output rise/fall time 0.125 - - UI
T
TX-CM-DC-ACTIVE-I
DLE-DELTA
Absolute delta of DC common mode voltage
during L0 and electrical idle
0-100mV
T
TX-CM-DC-LINE-DE
LTA
Absolute delta of DC common mode voltage
between D+ and D-
0-25mV
T
TX-IDLE-DIFFp
Electrical idle differential peak output voltage 0 - 20 mV
T
TX-RCV-DETECT
Voltage change allowed during receiver
detection
--600mV
T
TX-DC-CM
Tx DC common mode voltage - - 3.6 V
T
TX-SHORT
Tx short circuit current limit - - 90 mA
T
TX-IDLE-MIN
Minimum time spent in electrical idle 50 - - UI
T
TX-IDLE-SET-TO-ID
LE
Maximum time to transition to a valid electrical
idle after sending an electrical idle ordered set
--20UI
T
TX-IDLE-TO-DIFF-D
TA
Maximum time to transition to valid Tx
specifications after leaving an electr ical condition
--20UI
RL
TX-DIFF
Differential return loss 10 - - dB
RL
TX-CM
Common mode return loss 6 - - dB
C
TX
AC coupling capacitor 7.5 - 200 nF
T
Crosstalk
Crosstalk random timeout 0 - 1 ms
5.2.2 Differential Rx Output Electricals