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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 52/82頁 |
| 文件大?。?/td> | 3330K |
| 代理商： | PEB2466 |
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PEB 2466
Programming the SICOFI
-4-
μ
C
Semiconductor Group
52
02.97
Operating Mode
The operating mode for any of the four channels is entered upon recognition of a PU-bit
set to ‘1’ in a CR1-register for the specific channel.
3.6.2
Based on an advanced digital filter concept, the PEB 2466 provides excellent
transmission performance and high flexibility. The new filter concept leads to a maximum
independence between the different filter blocks.
Programmable Filters
Impedance Matching Filter
Transhybrid Balancing (TH) Filter
Realization by 3 different loops
– 4 MHz:
– 128 kHz:
Multiplication by a constant
Wave Digital Filter (IIR)
Improves low frequency response
FIR-Filter
For fine-tuning
(12 bit)
(60 bit)
– 64 kHz:
(48 bit)
Improved stability behavior of feedback loops
Real part of termination impedance positive under all conditions
Improved overflow performance for transients
Return loss better 30 dB
New concept: 2 loops at 16 kHz
Flexible realization allows optimization of wide impedance range
Consists of a fixed and a programmable part
– 2nd order Wave Digital Filter (IIR)
Improves low frequency response
– 7-TAP FIR-Filter
For fine-tuning
Trans-Hybrid-Loss better 30 dB (typically better 40 dB, device only)
Adaptation to different lines by:
– Easy selection between four different downloaded coefficient sets
(106 bit)
(84 bit)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PEB2466-HV1.2 | Four Channel Codec Filter with PCM- and m-Controller Interface SICOFI4-mC |
| PEB24902 | Quad ISDN Echocancellation Circuit Analogue Front End Quad IEC AFE |
| PEB3065 | Signal Processing Subscriber Line Interface Codec Filter SLICOF |
| PEB3065NV3.2 | Signal Processing Subscriber Line Interface Codec Filter SLICOF |
| PEF3065NV3.2 | Signal Processing Subscriber Line Interface Codec Filter SLICOF |
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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