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參數(shù)資料
| 型號： | PEF2023 |
| 廠商： | SIEMENS AG |
| 英文描述： | ISDN DC Converter Circuit IDCC |
| 中文描述： | 綜合業(yè)務數(shù)字網(wǎng)DC轉換器電路IDCC |
| 文件頁數(shù)： | 9/25頁 |
| 文件大?。?/td> | 145K |
| 代理商： | PEF2023 |
PEB 2023
PEF 2023
Overview
Semiconductor Group
9
08.97
1.5
Figure 2
and
3
showing examples out of the wide application field of the PEB/F 2023. In
network termination applications, the PEB/F 2023 supplies the internal IC’s directly from
the U–interface. If the local main supply of the NT is out of order, then the PEB/F 2023
will also supplies the S-interface (restricted power mode).
System Integration
In the subscriber terminal the PEB/F 2023 is used for feeding the internal circuits.
The PEB/F 2023 accommodates both galvanically isolated and non-isolated
configurations. Considering the diversity of DC/DC-converter applications, this part of
the specification only shows how to use the special ISDN-features of the PEB/F 2023.
Figure 2
PEB/F 2023 in ISDN-Concept
U
Transceiver
S
Transceiver
HDLC
Controller
DC/DC
Converter
PEB 2023
PEF 2023
AC/DC
Converter
CODEC
Interface
AC 230V
40V
NPM
40V
RPM
5V
μ.C.
reverse Polarity
Current
Limiter
Current
Limiter
S
U
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