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參數(shù)資料
| 型號(hào)： | PEB2466 |
| 廠商： | SIEMENS AG |
| 元件分類： | Codec |
| 英文描述： | Four Channel Codec Filter with PCM- and m-Controller Interface SICOFI4-mC |
| 中文描述： | 四信道編解碼器與PCM -和m -控制器接口SICOFI4，胞嘧啶 |
| 文件頁(yè)數(shù)： | 67/82頁(yè) |
| 文件大小： | 3330K |
| 代理商： | PEB2466 |
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PEB 2466
Transmission Characteristics
Semiconductor Group
67
02.97
4.9
An input signal with its frequency swept between 0.3 to 3 kHz for the receive path, or 0
to 12 kHz for the transmit path, any generated output signal with other frequency than
the input frequency will stay 28 dB below the maximum input level of 0 dBM0.
Single Frequency Distortion
4.10
The quality of Transhybrid-Balancing is very sensitive to deviations in gain and group
delay - deviations inherent to the SICOFI-4-
μ
C A/D- and D/A-converters as well as to all
external components used on a line card (SLIC, OP’s etc.)
Measurement of SICOFI-4-
μ
C Transhybrid-Loss: A 0 dBm0 sine wave signal and a
frequency in the range between 300-3400 Hz is applied to the digital input. The resulting
analog output signal at pin
V
OUT
is directly connected to
V
IN
, e.g. with the SICOFI-4-
μ
C
testmode “Digital Loop Back via Analog Port”. The programmable filters FRR, AR, FRX,
AX and IM are disabled, the balancing filter TH is enabled with coefficients optimized for
this configuration (
V
OUT
=
V
IN
).
The resulting echo measured at the digital output is at least X dB below the level of the
digital input signal as shown in the table below. (Filter coefficients will be provided)
Transhybrid Loss
The listed values for THL correspond to a typical variation of the signal amplitude and
delay in the analog blocks.
amplitude
= typ.
±
0.15 dB
delay
= typ
±
0.5
μ
s
Receive
Transmit
Frequency
300 Hz to 3.4 kHz
Max Input Level
0 dBm0
Frequency
0 to 12 kHz
Max. Input Level
0 dBm0
Parameter
Symbol
Limit Values Unit Test Condition
min.
typ.
27
40
dB
33
45
dB
29
40
dB
27
35
dB
27
35
dB
Transhybrid Loss at 300 Hz
Transhybrid Loss at 500 Hz
Transhybrid Loss at 2500 Hz
THL
2500
Transhybrid Loss at 3000 Hz
THL
3000
Transhybrid Loss at 3400 Hz
THL
3400
THL
300
THL
500
T
A
= 25
°
C;
V
DD
= 5 V;
T
A
= 25
°
C;
V
DD
= 5 V;
T
A
= 25
°
C;
V
DD
= 5V;
T
A
= 25
°
C;
V
DD
= 5V;
T
A
= 25
°
C;
V
DD
= 5 V
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|---|---|
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PEB2466 HV2.2 | 制造商:Lantiq 功能描述: |
| PEB2466/SICFI | 制造商:Infineon Technologies AG 功能描述: |
| PEB2466-H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:A-Law/u-Law CODEC |
| PEB2466-HV1.2 | 制造商:Siemens 功能描述:A/MU-LAW, PCM CODEC, PQFP64 |
| PEB2466HV1.3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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