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參數資料
| 型號： | PEB2265 |
| 廠商： | SIEMENS AG |
| 元件分類： | Codec |
| 英文描述： | Two Channel Codec Filter with IOM㈢-2 Interface (IOM㈢-2 - SICOFI㈢-2) |
| 中文描述： | 雙信道編解碼器與國際移民組織㈢-2接口（移徙㈢-2 - SICOFI㈢-2） |
| 文件頁數： | 45/77頁 |
| 文件大小： | 851K |
| 代理商： | PEB2265 |
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PEB 2265
QSICOS Software
Semiconductor Group
45
1997-07-01
4
The QSICOS-software has been developed to help to obtain an optimized set of
coefficients both quickly and easily. The QSICOS program runs on any PC with at least
575 Kbytes of memory. This also requires MS-DOS Version 5.0 or higher, as well as
extended memory.
QSICOS Software
Figure 14
4.1
QSICOS Supports
Calculation of coefficients for the
– Impedance Filter (IM) for return loss calculation
– FRR and FRX-Filters for frequency response in receive and transmit path
– AR1, AR2 and AX1, AX2-Filter for level adjustment in receive and transmit path
– Trans-Hybrid Balancing Filter (TH) and
– two programmable tone generators (TG 1 and TG 2)
Simulation of the PEB 2265 and SLIC system
with fixed filter coefficients allows
simulations of tolerances which may be caused e.g. by discrete external components.
Graphical output of transfer functions to the screen
for
– Return Loss
– Frequency responses in receive and transmit path
– Transhybrid Loss
Calculation of the PEB 2265 and SLIC system stability
. The IM-Filter of the
PEB 2265 adjust the total system impedance by making a feedback loop. Because
the line is also a part of the total system, a very robust method has to used to avoid
oscillations and to ensure system stability. The input impedance of the PEB 2265 and
SLIC combination is calculated. If the real part of the system input impedance is
positive, the total system stability can be guaranteed.
K-Parameter
Interface-
File
Country-Spec
SICOFI
Coefficients
File
Automatic K-Param Extraction
Line
Interface
Line
Interface
Line
Interface
Line
Interface
K11=(Zin-Zg)/(Zin+Zg)
K12=2*V1/V3
K21=V2/Vg
K22=V2/V3
Software for
Filter-Coefficients-Optimization
RD/dB
f/Hz
QSICOS
Simulation
(PSPICE)
Calculation-Controlfile
相關PDF資料 |
PDF描述 |
|---|---|
| PEB2265HV1.1 | Two Channel Codec Filter with IOM㈢-2 Interface (IOM㈢-2 - SICOFI㈢-2) |
| PEB2445 | Multipoint Switching and Conferencing Unit - Attenuation MUSAC-A |
| PEB2445-N | Multipoint Switching and Conferencing Unit - Attenuation MUSAC-A |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PEB2265HV1.1 | 制造商:LANTIQ 功能描述:SP000214859_ASIC EOL310705 |
| PEB2265-HV1.1 | 制造商:Infineon Technologies AG 功能描述:Part Number Only 制造商:Siemens 功能描述:Part Number Only |
| PEB2265HV1.1D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| PEB2266-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 |
| PEB2266HV2.2 | 功能描述:接口—CODEC POTS RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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