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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)： | 56/78頁 |
| 文件大?。?/td> | 500K |
| 代理商： | LXT386 |
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LXT386
—
QUAD T1/E1/J1 Transceiver
56
Datasheet
Data decision threshold
SRE
43
50
57
%
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
–
–
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.
U.I.
U.I.
G735 recommendation
Note 1
Cable Attenuation is 6 dB
Differential receiver input impedance
–
–
70
–
k
@1.024 MHz
Input termination resistor tolerance
–
–
–
±1
%
Common mode input impedance to ground
–
–
20
–
k
Input return
loss
51 kHz - 102 kHz
102 - 2048 kHz
2048kHz - 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
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.
Table 39. T1 Transmit Transmission Characteristics
Parameter
Sym
Min
Typ
Max
Unit
Test Condition
Output pulse amplitude
–
2.4
3.0
3.6
V
Measured at the DSX
Peak voltage of a space
–
-0.15
–
+0.15
V
Driver output impedance
1
–
–
1
–
@ 772 KHz
Transmit amplitude variation with power
supply
–
-1
–
+1
%
Ratio of positive to negative pulse amplitude
–
0.95
–
1.05
–
T1.102, isolated pulse
Difference between pulse sequences
–
–
–
200
mV
For 17 consecutive
pulses, GR-499-CORE
Pulse width variation at half amplitude
–
–
–
20
ns
Jitter added by
Transmitter
10Hz - 8KHz
8KHz - 40KHz
10Hz - 40KHz
Wide Band
–
–
–
0.020
0.025
0.025
0.050
UI
pk-pk
AT&T Pub 62411
TCLK is jitter free.
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.
Table 38. E1 Receive Transmission Characteristics
(Continued)
Parameter
Sym
Min
Typ
Max
Unit
Test Condition
1. Guaranteed by design and other correlation methods.
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