參數(shù)資料
型號: XRT83SH314IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA304
封裝: 31 X 31 MM, 1.27 MM PITCH, PLASTIC, BGA-304
文件頁數(shù): 23/101頁
文件大?。?/td> 656K
代理商: XRT83SH314IB
XRT83SH314
19
REV. 1.0.4
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
N
OTE
:
VDD=3.3V ±5%, T
A
=25°C, Unless Otherwise Specified
2.2.1
Receive Sensitivity
To meet short haul requirements, the XRT83SH314 can accept T1/E1/J1 signals that have been attenuated by
12dB of flat loss in E1 mode or by 655 feet of cable loss along with 6dB of flat loss in T1 mode. However, the
XRT83SH314 can tolerate cable loss and flat loss beyond the industry specifications. The receive sensitivity in
the short haul mode is approximately 4,000 feet without experiencing bit errors, LOF, pattern synchronization,
etc. Although data integrity is maintained, the RLOS function (if enabled) will report an RLOS condition
according to the receiver loss of signal section in this datasheet. The test configuration for measuring the
receive sensitivity is shown in
Figure 8
.
F
IGURE
8. T
EST
C
ONFIGURATION
FOR
M
EASURING
R
ECEIVE
S
ENSITIVITY
T
ABLE
4: T
IMING
S
PECIFICATIONS
FOR
RCLK/RPOS/RNEG
P
ARAMETER
S
YMBOL
M
IN
T
YP
M
AX
U
NITS
RCLK Duty Cycle
R
CDU
45
50
55
%
Receive Data Setup Time
R
SU
150
-
-
ns
Receive Data Hold Time
R
HO
150
-
-
ns
RCLK to Data Delay
R
DY
-
-
40
ns
RCLK Rise Time (10% to 90%)
with 25pF Loading
RCLK
R
-
-
40
ns
RCLK Fall Time (90% to 10%)
with 25pF Loading
RCLK
F
-
-
40
ns
Network
Analyzer
E1 = PRBS 2
15
- 1
T1 = PRBS 2
23
- 1
External Loopback
XRT83SH314
14-Channel
Long Haul LIU
Cable Loss
Flat Loss
Tx
Tx
Rx
Rx
W&G ANT20
相關(guān)PDF資料
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XRT83SH38 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
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