参数资料
型号: PM4314
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: QUAD T1/E1 LINE INTERFACE DEVICE
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封装: 14 X 20 MM, PLASTIC, QFP-128
文件页数: 56/170页
文件大小: 823K
代理商: PM4314
PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
44
Figure 11
- E1 Jitter Tolerance
100
10
1.0
0.1
1
10
100
Jitter Frequency, Hz
1k
10k
Jitter
Amplitude,
UI pp
0.01
100k
35
acceptable
ITU-T G.823
unacceptable
Region
0.2
DJAT
minimum
tolerance
1.5
20
2.4k
18k
40
The accuracy of the XCLK frequency and that of the DJAT PLL reference input
clock used to generate the "jitter-free" clock have an effect on the minimum jitter
tolerance. For DSX-1 interfaces, the DJAT PLL reference clock accuracy can be
±130 Hz from 1.544 MHz, and the XCLK input accuracy can be ±100 ppm from
37.056 MHz. For E1 interfaces, the PLL reference clock accuracy can be ± 50
Hz from 2.048 MHz, and the XCLK input accuracy can be ±50 ppm from 49.152
MHz. The minimum jitter tolerance for various differences between the frequency
of PLL reference clock and XCLK ÷ 24 are shown in Figure 12 and Figure 13.
相关PDF资料
PDF描述
PM4314-RI QUAD T1/E1 LINE INTERFACE DEVICE
PM4318 OCTAL E1/T1/J1 LINE INTERFACE DEVICE
PM4318-BI OCTAL E1/T1/J1 LINE INTERFACE DEVICE
PM4319 OCTAL T1/E1/J1 Short Haul Line Interface Device
PM4325 Octal Short Haul T1/E1/J1 Low Latency Transport Line Interface
相关代理商/技术参数
参数描述
PM4314-RI 制造商:PMC-Sierra 功能描述:
PM43-150M 功能描述:固定电感器 15uH 20% RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
PM43-150M-RC 功能描述:固定电感器 15uH 20% RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
PM4318 制造商:PMC 制造商全称:PMC 功能描述:OCTAL E1/T1/J1 LINE INTERFACE DEVICE