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CX28333-1X 参数 Datasheet PDF下载

CX28333-1X图片预览
型号: CX28333-1X
PDF下载: 下载PDF文件 查看货源
内容描述: 单/双/三E3 / DS3 / STS - 1线路接口单元 [Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit]
分类和应用: 电信集成电路PC
文件页数/大小: 68 页 / 549 K
品牌: CONEXANT [ CONEXANT SYSTEMS, INC ]
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CX28331/CX28332/CX28333  
2.0 Functional Description  
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit  
2.4 Jitter Tolerance  
2.4 Jitter Tolerance  
The CX2833i receiver is able to tolerate a specified amount of high-frequency  
jitter in the received signal while providing error-free operation (generally  
defined as a bit error rate of less than 10-9). The specifications (illustrated in  
Figure 2-9) for jitter tolerance are discussed in the following documents:  
E3 rate ITU-T G.823 and ETSI TBR24 contain frequency masks for input  
jitter tolerance.  
NOTE: To meet jitter transfer requirements for loop-timed operation, an external  
jitter attenuator is required. The jitter attenuator lessens jitter from the  
receive clock.  
DS3 rate ITU-T G.823 and Bellcore GR499 specify jitter tolerance  
frequency masks for Category I and Category II interfaces.  
STS-1 rate Bellcore GR253 specifies a jitter tolerance. It is noted that the  
STS-1 jitter tolerance differs from DS3 requirements only for Category II  
interfaces.  
100985A  
Conexant  
2-13  
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