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參數(shù)資料
| 型號： | FEB-F4065 |
| 廠商： | SIEMENS AG |
| 英文描述： | High Voltage Subscriber Line IC HV-SLIC |
| 中文描述： | 高壓用戶線芯片的HV -用戶接口 |
| 文件頁數(shù)： | 5/29頁 |
| 文件大?。?/td> | 237K |
| 代理商： | FEB-F4065 |
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PEB/F 4065
Overview
Semiconductor Group
5
1998-03-01
1.2
Functional Description
Figure 1
Block Diagram
The PEB 4065 supports AC and DC control loops based on feeding a voltage
V
ab
to the
line and sensing the transversal line current
I
ab
(
Figure 2
).
It converts a unipolar input voltage
V
2W
into a differential output voltage
V
ab
with an AC
receiving gain of
Gr
=
V
abAC
/
V
2WAC
= 40.
This is accomplished by converting the input voltage to a current which is used to
transpose the low voltage signals of the interface to the high voltage line feeding section.
This current is reconverted to two voltages of opposite phase which are referenced to
the positive and negative supply voltage, respectively. Thus the differential DC
line-voltage in all normal polarity modes except ringing is related to the input voltage by
V
abDC
=
V
BAT
–
V
HINT
+
V
fix
– 40
×
V
2WDC
V
BAT
negative battery voltage
V
HINT
internal positive supply voltage
V
fix
internal voltage drop of supply filter (appr. 2 V).
Depending on the operation mode,
V
HINT
is switched either to
V
H
(
V
HINT
=
V
H
– 1 V) or to
BGND (
V
HINT
= – 0.5 V) via the supply switch.
ITB10371
Buffer
Buffer
Current sensor
Differential
I/V-Converter
Supply
Switch
Control
V/I Converter
Reference
Supply
C1
C2
V
PDN
2W
AGND
BAT
V
V
BIM
SS
V
DD
V
RING
TIP
V
ab
BGND
HINT
V
a
Ι
Ι
b
V
BAT
V
H
Ι
T
L
Ι
相關(guān)PDF資料 |
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|---|---|
| FEB4065 | High Voltage Subscriber Line IC HV-SLIC |
| FEF4065 | High Voltage Subscriber Line IC HV-SLIC |
| FEC15 | 15WATT DC-DC CONVERTER |
| FEC15-12D05 | 15WATT DC-DC CONVERTER |
| FEC15-12D12 | 15WATT DC-DC CONVERTER |
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