参数资料
型号: WJLXT386LEB2
厂商: INTEL CORP
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封装: 14 X 14MM, ROHS COMPLIANT, LQFP-100
文件页数: 60/86页
文件大小: 1081K
代理商: WJLXT386LEB2
QUAD T1/E1/J1 Transceiver — LXT386
Datasheet
63
Output power
levels2
@ 772 KHz
@ 1544 KHz
12.6
-29
–17.9
dBm
T1.102 - 1993
Referenced to power at
772 KHz
Transmit return
loss 1
51kHz to 102 kHz
102 kHz to 2.048 MHz
2.048 MHz to 3.072 MHz
15
21
dB
With transmit series
resistors (TVCC=5V).
Using components in the
LXD384 evaluation
board.
Transmit path delay
Bipolar mode
2
U.I.
JA Disabled
Unipolar mode
7
U.I.
Table 40. T1 Receive Transmission Characteristics
Parameter
Sym
Min
Typ
Max
Unit
Test Condition
Permissible cable attenuation
12
dB
@ 772 KHz
Receiver dynamic range
DR
0.5
Vp
Signal to noise interference margin
S/I
-16.5
dB
@ 655 ft. of 22 ABAM cable
Data decision threshold
SRE
63
70
77
%
Rel. 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
100
175
250
T1.231 - 1993
LOS reset
12.5%
1’s density
Low limit
input jitter
tolerance 1
0.1Hz to 1Hz
4.9Hz to 300Hz
10KHz to 100KHz
-
138
28
0.4
--
U.I.
AT&T Pub. 62411
Differential receiver input impedance
-
70
-
k
Ω
@772 kHz
Input termination resistor tolerance
-
±1
%
Common mode input impedance to ground
-
20
-
k
Ω
Input return
loss1
51 KHz - 102 KHz
102 - 2048 KHz
2048 KHz - 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
-
Data recovery mode
Receive intrinsic jitter, RCLK output1
-
0.035
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.
Table 39. T1 Transmit Transmission Characteristics (Sheet 2 of 2)
Parameter
Sym
Min
Typ
Max
Unit
Test Condition
1. Guaranteed by design and other correlation methods.
2. Power measured in a 3 KHz bandwidth at the point the signal arrives at the distribution frame for an all 1’s pattern.
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