參數(shù)資料
型號(hào): PEB2023
廠商: SIEMENS AG
英文描述: ISDN DC Converter Circuit IDCC
中文描述: 綜合業(yè)務(wù)數(shù)字網(wǎng)DC轉(zhuǎn)換器電路IDCC
文件頁數(shù): 10/25頁
文件大?。?/td> 145K
代理商: PEB2023
PEB 2023
PEF 2023
Overview
Semiconductor Group
10
08.97
In
figure
3
the S-transformers are replaced by the PEB/F 3023 which is called S-Feeder.
When using the S-Feeder a capacitive coupling between S-receive-path and the S-
Transceiver is necessary. For the S-transmit-path the S-Feeder need an extra 2.4V
transmitter supply voltage. Because of the DC-voltage-drop on the S-Feeder (about 2V
and 4V) the input voltages V
RPM
and V
NPM
must be increased (to about 42V and 44V).
Figure 3
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
44V
NPM
40V
RPM
5V
μ.C.
S Feeder
PEB 3023
2.4V
reverse Polarity
Current
Limiter
Current
Limiter
Reset
Generator
S
U
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