參數(shù)資料
型號: PEF24622
英文描述: ?SOCRATES-4?
中文描述: ?蘇格拉底- 4?
文件頁數(shù): 27/73頁
文件大小: 1618K
代理商: PEF24622
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PDF資料
PDF描述
PEF2466-H A-Law/u-Law CODEC
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?
相關代理商/技術參數(shù)
參數(shù)描述
PEF24622EV2.1-G 功能描述:網(wǎng)絡控制器與處理器 IC SHDSL RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
PEF24624EV1.2 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述:
PEF24624EV1.2-G 功能描述:網(wǎng)絡控制器與處理器 IC Quad ISDN Hi V Power Controller RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
PEF24624EV1.2PB 制造商:Infineon Technologies AG 功能描述:SP000007812_SHDSL_TRAYS_PB
PEF24624EV12-G 制造商:Rochester Electronics LLC 功能描述: