参数资料
型号: WJLXT384LEB1
厂商: CORTINA SYSTEMS INC
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP144
封装: 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数: 6/140页
文件大小: 1514K
代理商: WJLXT384LEB1
103
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
Intel LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
Table 63 (E1) and Table 64(T1) list the AC characteristics for the LXT384 Transceiver receiver.
Table 63. Intel
LXT384 Transceiver E1 Receive Transmission Characteristics
Parameter
Sym
Min.
Typ
Max
Unit
Test Condition
Permissible cable attenuation
12
dB
@1024 kHz
Receiver dynamic range
DR
0.5
Vp
Signal to noise interference margin
S/I
-15
dB
Per G.703, O.151 @ 6
dB cable Attenuation
Data decision threshold
SRE
43
50
57
%
Relative to peak input
voltage
Data slicer threshold
150
mV
Loss of signal threshold
200
mV
LOS hysteresis
50
mV
Consecutive zeros before loss of signal
32
2048
––
G.775
recommendation
ETSI 300 233
specification
LOS reset
12.5%
1’s density
Low limit
input jitter
tolerance
1
1Hz to 20Hz
20Hz to 2.4kHz
18kHz to 100kHz
36
1.5
0.2
––
U.I.
G735
recommendation
Note 1
Cable Attenuation is 6
dB
Differential receiver input impedance
70
k
Ω
@1.024 MHz
Input termination resistor tolerance
±1
%
Common mode input impedance to ground
20
k
Ω
Input return
loss
1
51 kHz - 102 kHz
102 - 2048 kHz
2048kHz - 3072 kHz
20
dB
Measured against
nominal impedance
using components in
the LXD384
evaluation board.
LOS delay time
30
s
Data recovery mode
LOS reset
10
255
marks
Data recovery mode
Receive intrinsic jitter, RCLK output
0.040
0.0625
U.I.
Wide band jitter
Receive
path delay
Bipolar mode
1
U.I.
JA Disabled
Unipolar mode
6
U.I.
1. Guaranteed by design and other correlation methods.
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