參數(shù)資料
型號： XRT75L06IB
廠商： Exar Corporation
文件頁數(shù)： 31/63頁
文件大小： 0K
描述： IC LIU E3/DS3/STS-1 6CH 217BGA
標準包裝： 60
類型： 線路接口裝置（LIU）
驅(qū)動器/接收器數(shù)： 6/6
規(guī)程： DS3，E3，STS-1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 217-BBGA
供應商設備封裝： 217-BGA（23x23）
包裝： 托盤
XRT75L06
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
REV. 1.0.3
34
4.0
JITTER
There are three fundamental parameters that describe circuit performance relative to jitter
Jitter Tolerance
Jitter Transfer
Jitter Generation
4.1
JITTER TOLERANCE
Jitter tolerance is a measure of how well a Clock and Data Recovery unit can successfully recover data in the
presence of various forms of jitter. It is characterized by the amount of jitter required to produce a specified bit
error rate. The tolerance depends on the frequency content of the jitter. Jitter Tolerance is measured as the
jitter amplitude over a jitter spectrum for which the clock and data recovery unit achieves a specified bit error
rate (BER). To measure the jitter tolerance as shown in Figure 25, jitter is introduced by the sinusoidal
modulation of the serial data bit sequence.
Input jitter tolerance requirements are specified in terms of
compliance with jitter mask which is represented as a combination of points. Each point corresponds to a
minimum amplitude of sinusoidal jitter at a given jitter frequency.
4.1.1
DS3/STS-1 Jitter Tolerance Requirements
Bellcore GR-499 CORE specifies the minimum requirement of jitter tolerance for Category I and Category II.
The jitter tolerance requirement for Category II is the most stringent. Figure 26 shows the jitter tolerance curve
as per GR-499 specification.
FIGURE 25. JITTER TOLERANCE MEASUREMENTS
FREQ
Synthesizer
Pattern
Generator
DUT
XRT75L06
Error
Detector
Modulation
Freq.
Data
Clock
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相關代理商/技術參數(shù)
參數(shù)描述
XRT75L06IB-F 功能描述:外圍驅(qū)動器與原件 - PCI 6-Ch DS3, E3, STS-1 RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT75R03 制造商:EXAR 制造商全稱:EXAR 功能描述:THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R03D 制造商:EXAR 制造商全稱:EXAR 功能描述:THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
XRT75R03D_06 制造商:EXAR 制造商全稱:EXAR 功能描述:EXAR DATA SHEET FORMAT TEMPLATES
XRT75R03DES 功能描述:時鐘合成器/抖動清除器 3CH T3/E3/STS1LIU+D 3.3V W/REDUNDANCY RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
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