參數(shù)資料
型號(hào)： PEF3065NV3.2
廠商： SIEMENS AG
元件分類： Codec
英文描述： Signal Processing Subscriber Line Interface Codec Filter SLICOF
中文描述： 信號(hào)處理用戶線路接口編解碼器SLICOF
文件頁(yè)數(shù)： 55/102頁(yè)
文件大小： 563K
代理商： PEF3065NV3.2
PEB 3065
PEF 3065
Transmission Characteristics
Semiconductor Group
55
01.98
8
The target figures in this specification are based on the subscriber-line board
requirements. The proper adjustment of the programmable filters (transhybrid balancing,
impedance matching, frequency-response correction) needs a complete knowledge of
the SLICOFI’s analog environment. Unless otherwise stated, the transmission
characteristics are guaranteed within the test conditions.
Transmission Characteristics
Test Conditions
T
A
= 0
°
C to 70
°
C;
V
DDD
=
V
DDA
= 5 V
±
5%;
V
SS
=
5 V
±
5%; GNDA = GNDD = 0 V
R
L
> 600
;
C
L
< 10 pF (at
V
2W
); H
IM
= H
TH
= 0; H
FRX
= H
FRR
= 1
AR = 0 dB
AX = 0 dB
f
= 1004 Hz; 0 dBm0; A-Law or
μ
-Law;
In Transmit direction for
μ
-law an additional gain of 1.94 dB is implemented.
The 0 dBm0 definitions for Receive and Transmit are different.
A 0 dBm0 signal in Transmit direction is equivalent to 206 mVrms [165 mVrms].
(A -Law, [
μ
-Law]).
A 0 dBm0 signal in Receive direction is equivalent to 118 mVrms.
Figure 10
With
V
IT
= 0 dBm0|
SLICOFI
=
11.51 dBm0|
600
= 206 mV for transmit
With
V
V2W
= 0 dBm0|
SLICOFI
=
16.34 dBm0|
600
= 118 mV for receive
ITS10169
SLICOFI
PEB 3065
R
680 nF
1500
ITAC
IT
206 mV
IT
V
V
V2W
118 mV
V2W
Rec
0 dBm0
0 dBm0
Trans
R
IOM -2
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