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參數(shù)資料
| 型號(hào)： | L7591 |
| 英文描述： | Subscriber Line Interface Circuit Protector |
| 中文描述： | 用戶線接口電路保護(hù) |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大小： | 208K |
| 代理商： | L7591 |
Lucent Technologies Inc.
5
Data Sheet
October 1997
L7591 Subscriber Line Interface Circuit Protector
Applications
12-1632 (C)
R
PT
and R
PR
must be properly selected for proper operation and/or response.
Figure 4. Standard Configuration
12-1596 (C)
Figure 5. Test Circuit
12-1598 (C)
*An example device is Lucent Technologies Microelectronics Group’s LB1276 High Balance SLIC.
Figure 6. Fully Protected Electronic TIP-RING Interface
(Not all devices needed in all applications)
1
2
3
4
8
7
6
5
CTRIP
CTRIP
–V
S
PROTECTED
PROTECTED
TIP
RING
R
PT
R
PR
1
2
3
4
8
7
6
5
CTRIP
CTRIP
I
P
I
P
–48 V
V
MEAS
V
MEAS
BFEED*
1
6
7
4
8
2
5
S
(–20 V V
PTC
CBLOCK
CBLOCK
TIP
RING
PTC
RELAYS
LSLIC
PROTECTOR
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