參數(shù)資料
型號: LXT386
廠商: Intel Corp.
英文描述: QUAD T1/E1/J1 Transceiver
中文描述: 四T1/E1/J1收發(fā)器
文件頁數(shù): 57/78頁
文件大?。?/td> 500K
代理商: LXT386
QUAD T1/E1/J1 Transceiver
LXT386
Datasheet
57
Output power
levels
@ 772 KHz
@ 1544 KHz
12.6
-29
17.9
dBm
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
15
15
21
21
21
dB
dB
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.
U.I.
U.I.
AT&T Pub. 62411
Differential receiver input impedance
-
-
70
-
k
@772 kHz
Input termination resistor tolerance
-
-
±1
%
Common mode input impedance to ground
-
-
20
-
k
Input return
loss
1
51 KHz - 102 KHz
102 - 2048 KHz
2048 KHz - 3072 KHz
-
20
20
20
-
-
dB
dB
dB
Measured against nominal
impedance. Using
components in the LXD384
evaluation board.
LOS delay time
-
-
30
-
μs
Data recovery mode
LOS reset
-
10
-
255
-
Data recovery mode
Receive intrinsic jitter, RCLK output
1
-
-
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
(Continued)
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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