參數(shù)資料
型號(hào): PEF2466-H
元件分類: Codec
英文描述: A-Law/u-Law CODEC
中文描述: A-Law/u-Law編解碼器
文件頁(yè)數(shù): 27/73頁(yè)
文件大?。?/td> 1618K
代理商: PEF2466-H
PEB 2466
PEF 2466
Operational Description
Hardware Reference Manual
18
2001-02-20
4.2.7
Frequency Response
Table 9
Attenuation with Frequency in Transmit and Receive Direction
4.2.8
Group Delay
4.2.8.1
Table 10
shows the limit values for the Absolute Group Delay. The maximum delays are
valid when the SICOFI
4-μC is operating with H(TH) = H(IM) = 0, and H(FRR) = H(FRX)
= 1, and include the delay through the A/D and D/A converters. The typical delays are
the average of all different time slot delays during one PCM frame.
Group Delay, Absolute Values
Table 10
Group Delay, Absolute Values
Input Frequency
Receive Loss
min.
0
0
-0.125
-0.125
-0.125
-0.125
0
Transmit Loss
min.
> 2
0
-0.125
-0.125
-0.125
-0.125
0
Unit
Test Conditions
max.
0.125
0.3
0.65
max.
1
0.125
0.3
0.65
0 Hz to 100 Hz
100 Hz to 200 Hz
200 Hz to 300 Hz
300 Hz to 3.0 kHz
3.0 kHz to 3.2 kHz
3.2 kHz to 3.4 kHz
> 3.4 kHz
dB
dB
dB
dB
dB
dB
dB
0 dBm0 input signal
level. 1014 Hz
reference frequency
Parameter
Symbol
Limit Values
typ.
375
375
Unit
Test Conditions
min.
300
300
max.
450
450
Transmit Delay
Receive Delay
D
XA
D
RA
μs
μs
0 dBm0 input signal
level, f
Test
at T
G
min.
相關(guān)PDF資料
PDF描述
PEF24901 ISDN LINE INTERFACE|BASIC|CMOS|QFP|64PIN|PLASTIC
PEF24901H ?Quad ISDN Echocancellation Circuit Digital Front-End for 4B3T Line Code?
PEF24902 ISDN Line Interface
PEF24902H ?Quad ISDN Echocancellation Circuit Analog Front End - 2B1Q/4B3T Code?
PEF24911 ISDN Line Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PEF2466H V2.2 制造商:Lantiq 功能描述:Codec and Filter 64-Pin MQFP
PEF2466HV2.2 功能描述:接口—CODEC POTS RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PEF2466HV2.2/TR 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel
PEF24901 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ISDN LINE INTERFACE|BASIC|CMOS|QFP|64PIN|PLASTIC
PEF24901H 制造商:未知廠家 制造商全稱:未知廠家 功能描述:?Quad ISDN Echocancellation Circuit Digital Front-End for 4B3T Line Code?