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參數(shù)資料
| 型號(hào)： | T7690 |
| 廠商： | Lineage Power |
| 英文描述： | 5.0 V T1/E1 Quad Line Interface(5.0 V T1/E1 四線接口) |
| 中文描述： | 5.0V的四線接口的T1/E1（5.0V的T1/E1的四線接口） |
| 文件頁(yè)數(shù)： | 15/42頁(yè) |
| 文件大小： | 726K |
| 代理商： | T7690 |
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Data Sheet
May 1998
T7690 5.0 V T1/E1 Quad Line Interface
T7693 3.3 V T1/E1 Quad Line Interface
13
Lucent Technologies Inc.
Receiver
(continued)
CEPT Receiver Specifications
During CEPT operation, the receiver will perform as specified in Table 5.
* Below the nominal pulse amplitude of 3.0 V for 120
and 2.37 V for 75
applications using Lucent transformers:
2745CA for T7690 (CEPT 75
option 2 and CEPT 120
applications) and components with values in Figure 13 and Table 23.
2664AJ for T7693 (CEPT 75
option 2 and CEPT 120
applications) and components with values in Figure 14 and Table 24.
2745AJ2 for T7690 (CEPT 75
option 1) and components with values in Figure 13 and Table 23.
2664AK for T7693 (CEPT 75
option 1) and components with values in Figure 14 and Table 24.
Amount of cable loss allowed when a –18 dB asynchronous interference signal is added with the desired signal source.
Using Lucent transformers:
2745CA for T7690 (CEPT 75
option 2 and CEPT 120
applications) and components with values in Figure 13 and Table 23.
2664AJ for T7693 (CEPT 75
option 2 and CEPT 120
applications) and components with values in Figure 14 and Table 24.
2745AJ2 for T7690 (CEPT 75
option 1) and components with values in Figure 13 and Table 23.
2664AK for T7693 (CEPT 75
option 1) and components with values in Figure 14 and Table 24.
Table 5. 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
—
—
—
—
zeros
% ones
ITU-T G.775
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