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參數(shù)資料
| 型號(hào)： | T7689 |
| 廠商： | Lineage Power |
| 英文描述： | 5.0 V T1 Quad Line Interface(5.0 V T1四線(xiàn)接口) |
| 中文描述： | 5.0V的T1四線(xiàn)接口（5.0V的T1四線(xiàn)接口） |
| 文件頁(yè)數(shù)： | 15/38頁(yè) |
| 文件大?。?/td> | 548K |
| 代理商： | T7689 |
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Data Sheet
May 1998
T7689 5.0 V T1 Quad Line Interface
15
Lucent Technologies Inc.
Transmitter
(continued)
DS1 Transmitter Pulse Template and Speci-
fications
The DS1 pulse shape template is specified at the DSX
(defined by CB119 and ANSI T1.102) and is illustrated
in Figure 3. The device also meets the pulse template
specified by ITU-T G.703 (not shown).
5-1160(C)r.6
Figure 3. DSX-1 Isolated Pulse Template
N
1.0
0.5
0
–0.5
0
250
500
750
1000
1250
TIME (ns)
Table 6. DSX-1 Pulse Template
Corner Points (from CB119)
During DS1 operation, the transmitter tip/ring (TTIP/
TRING pins) will perform as specified in Table 7.
Maximum Curve
Minimum Curve
ns
V
ns
V
0
250
325
325
425
500
675
725
1100
1250
0.05
0.05
0.80
1.15
1.05
1.05
–0.07
0.05
0.05
0
350
350
400
500
600
650
650
800
925
1100
1250
–0.05
–0.05
0.50
0.95
0.95
0.90
0.50
–0.45
–0.45
–0.20
–0.05
–0.05
* In accordance with the interfaces described in the Absolute Maximum Ratings section and the Handling Precautions section, measured at the
transformer secondary.
Total power difference.
Measured in a 2 kHz band around the specified frequency.
§ Below the power at 772 kHz.
Table 7. DS1 Transmitter Specifications
Parameter
Min
Typ
Max
Unit
Specification
Output Pulse Amplitude at DSX*
2.5
2.8
3.5
V
AT&T CB119,
ANSI T1.102
Output Pulse Width
338
350
362
ns
Positive/Negative Pulse Imbalance
—
0.1
0.4
dB
Power Levels:
772 kHz
1.544 MHz
§
12.6
29
—
39
17.9
—
dBm
dB
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