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參數(shù)資料
| 型號： | T7688 |
| 廠商： | Lineage Power |
| 英文描述： | 5.0 V E1/CEPT Quad Line Interface(5.0 V E1/CEPT四線接口) |
| 中文描述： | 5.0V的E1/CEPT四線接口（5.0V的E1/CEPT四線接口） |
| 文件頁數(shù)： | 12/38頁 |
| 文件大小： | 577K |
| 代理商： | T7688 |
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Data Sheet
May 1998
T7688 5.0 V E1/CEPT Quad Line Interface
12
Lucent Technologies Inc.
Receiver
(continued)
CEPT Receiver Specifications
During CEPT operation, the receiver will perform as specified in Table 3.
* Below the nominal pulse amplitude of 3.0 V for 120
and 2.37 V for 75
applications and using external line interface circuitry described in
Figure 12 and Table 19.
Amount of cable loss allowed when a –18 dB asynchronous interference signal is added with the desired signal source.
Using external line interface circuitry described in Figure 12 and Table 19.
Table 3. CEPT Receiver Specifications
Parameter
Min
Typ
Max
Unit
Specification
Analog Loss of Signal:
Threshold
Hysteresis
Maximum Sensitivity:
20
—
11
17
4
13.5
—
—
—
dB*
dB
dB
ITU-T G.775
ETSI 300 233:1992
ITU-T G.703
Jitter Transfer:
3 dB Bandwidth, Single-pole Rolloff
Peaking
—
—
—
—
5.1
—
0.032
—
—
0.5
0.04
—
kHz
dB
UI
pk-pk
—
ITU-T G.735-9
Generated Jitter
Jitter Tolerance
Return Loss
:
51 kHz to 102 kHz
102 kHz to 2.048 MHz
2.048 MHz to 3.072 MHz
ITU-T G.823, I.431
ITU-T G.823, I.431
14
20
16
—
—
—
—
—
—
dB
dB
dB
ITU-T G.703
Digital Loss of Signal:
Flag Asserted, Consecutive Bit
Positions
Flag Deasserted
255
12.5
—
—
—
—
0s
% 1s
ITU-T G.775
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