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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)： | 55/82頁 |
| 文件大?。?/td> | 3330K |
| 代理商： | PEB2466 |
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PEB 2466
Transmission Characteristics
Semiconductor Group
55
02.97
4
The 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) requires a complete knowledge of the
μ
C-SICOFI-4’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
DD
= 5 V
±
5%; GNDA1..4 = GNDD = 0 V
R
L
HPR and HPX enabled;
AR
2)
= 0 to – 9 dB
AX
3)
= 0 to 9 dB for A-Law, 0 to 7 dB for
μ
-Law
f
= 1014 Hz; 0 dBm0; A-Law or
μ
-Law;
AGX = 0 dB, 6.02 dB, AGR = 0 dB, – 6.02dB;
1)
> 300
;
C
L
< 50 pF; H(IM) = H(TH) = 0; H(R1) = H(FRX) = H(FRR) = 1;
A-Law
A 0 dBm0
signal is equivalent to 1.095 Vrms. A + 3.14 dBm0 signal is equivalent to
1.57 Vrms which corresponds to the overload point of 2.223 V.
When the gain in the receive path is set at 0 dB, an 1014 Hz PCM sinewave input with
a level 0 dBm0 will correspond to a voltage of 1.095 Vrms at the analog output.
When the gain in the transmit path is set at 0 dB, an 1014 Hz sine wave signal with a
voltage of 1.095Vrms A-Law will correspond to a level of 0 dBm0 at the PCM output.
μ
-Law
In transmit direction for
μ
-law an additional gain of 1.94 dB is implemented automatically,
in the companding block (CMP). This additional gain has to be considered at all gain
calculations, and reduces possible AX-gain from 9 dB (with A-Law) to 7 dB (with
μ
-Law)
A 0 dBm0
4)
signal is equivalent to 1.0906 Vrms. A + 3.17 dBm0 signal is equivalent to
1.57 Vrms which corresponds to the overload point of 2.223 V.
When the gain in the receive path is set at 0 dB, an 1014 Hz PCM sinewave input with
a level 0 dBm0 will correspond to a voltage of 1.0906 Vrms at the analog output.
When the gain in the transmit path is set at 0 dB, an 1014 Hz sine wave signal with a
voltage of 1.0906 Vrms will correspond to a level of 1.94 dBm0 at the PCM output.
1)
R
,
C
forms the load on VOUT
2)
Consider, in a complete system, AR = AR1 + AR2 + FRR + R1
3)
Consider, in a complete system, AX = AX1 + AX2 + FRX
4)
The absolute power level in decibels referred to (a point of zero relative level) the PCM interface levels.
相關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 |
相關代理商/技術參數(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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