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參數(shù)資料
| 型號(hào)： | LXT386BE |
| 英文描述： | PCM TRANSCEIVER|QUAD|CEPT PCM-30/E-1|CMOS|BGA|160PIN|PLASTIC |
| 中文描述： | 的PCM收發(fā)器|四|優(yōu)稅PCM-30/E-1 |的CMOS | BGA封裝| 160PIN |塑料 |
| 文件頁(yè)數(shù)： | 57/80頁(yè) |
| 文件大?。?/td> | 1112K |
| 代理商： | LXT386BE |
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Octal T1/E1/J1 Transceiver
—
LXT384
Datasheet
57
Transmit intrinsic jitter; 20Hz to 100kHz
–
–
0.030
0.050
U.I.
Tx path TCLK is jitter
free
Transmit path
delay
Bipolar mode
2
U.I.
JA Disabled
Unipolar mode
7
U.I.
Table 39. 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
%
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
U.I.
1. Guaranteed by design and other correlation methods.
Table 38. E1 Transmit Transmission Characteristics (Sheet 2 of 2)
Parameter
Sym
Min.
Typ
Max
Unit
Test Condition
1. Guaranteed by design and other correlation methods.
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