參數(shù)資料
型號(hào)： PEB24902H
英文描述： LTC4413 Evaluation Kit
中文描述： ？四整體數(shù)位服務(wù)網(wǎng)路Echocancellation電路模擬前端- 2B1Q/4B3T代碼？
文件頁數(shù)： 23/73頁
文件大?。?/td> 1618K
代理商： PEB24902H
PEB 2466
PEF 2466
Operational Description
Hardware Reference Manual
14
2001-02-20
Table 4
Power Dissipation
4.2
Transmission Characteristics
4.2.1
The overload point of the SICOFI
4-μC A/D converters is at 2.223 V. This is the peak
amplitude of a sine wave level of 1.572 Vrms. Higher input signal levels will be distorted.
Theoretical load capacities for A-Law and μ-Law encoded signals are defined in ITU-T
Recommendation G.711. These values correspond to the SICOFI
4-μC overload point:
Overload Point
Table 5
Maximum Signal Levels
4.2.2
0 dBm0-Levels
The analog voltage levels corresponding to a 0 dBm0 sine wave signal can be calculated
from the maximum signal levels shown in
Table 5
.
Table 6
Analog Voltage Levels Corresponding to 0 dBm0-Level
Note: Periodic PCM codes for a 1 kHz sine wave signal with 0 dBm0 level can be found
in ITU-T G.711.
No. of Channels Operating
None
1
2
3
4
Typical Power Dissipation
2.5 mW
70 mW
90 mW
110 mW
130 mW
Encoding Law
PCM Interface
Theoretical Load Capacity
(according to ITU-T G.711)
3.14 dBm0
3.17 dBm0
Analog Interface
Max. Sine Wave Level
(SICOFI
4-μC Overload Point)
A-Law
μ-Law
1.572 Vrms
Encoding Law
Analog Sine Wave Level
corresponding to 0 dBm0 PCM Level
1.572 Vrms*10^(-3.14/20) = 1.095 V rms
1.572 Vrms*10^(-3.17/20) = 1.091 V rms
A-Law
μ-Law
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相關(guān)代理商/技術(shù)參數(shù)
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PEB24911 制造商:Infineon Technologies AG 功能描述:
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