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| 型號(hào)： | XRT75L03DIV |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 130/134頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU E3/DS3/STS-1 3CH 128LQFP |
| 標(biāo)準(zhǔn)包裝： | 72 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 3/3 |
| 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： | 128-LQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 128-LQFP（14x20） |
| 包裝： | 托盤 |
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XRT75L03D
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. 1.0.0
90
Similar things are done outside of North America. In this case, this DS3 or E3 signal is routed to a PTE, where
it is asynchronously mapped into an SDH signal. This asynchronously mapped DS3 or E3 signal is then
transported across the SDH network (from one PTE to the PTE at the other end of the SDH network). Once
this SDH signal arrives at the remote PTE, this DS3 or E3 signal will then be extracted from the SDH signal,
and will be output to some other DS3/E3 Terminal Equipment for further processing.
Figure 30 presents an illustration of this approach to transporting DS3 data over a SONET Network
As mentioned above a DS3 or E3 signal will be asynchronously mapped into a SONET or SDH signal and then
transported over the SONET or SDH network. At the remote PTE this DS3 or E3 signal will be extracted (or
de-mapped) from this SONET or SDH signal, where it will then be routed to DS3 or E3 terminal equipment for
further processing.
In order to insure that this "de-mapped" DS3 or E3 signal can be routed to any industry-standard DS3 or E3
terminal equipment, without any complications or adverse effect on the network, the Telcordia and ITU-T
standard committees have specified some limits on both the Intrinsic Jitter and Wander that may exist within
these DS3 or E3 signals as they are de-mapped from SONET/SDH. As a consequence, all PTEs that maps
and de-mapped DS3/E3 signals into/from SONET/SDH must be designed such that the DS3 or E3 data that is
de-mapped from SONET/SDH by these PTEs must meet these Intrinsic Jitter and Wander requirements.
As mentioned above, the XRT75L03D can assist the System Designer (of SONET/SDH PTE) by insuring that
their design will meet these Intrinsic Jitter and Wander requirements.
This section of the data sheet will present the following information to the user.
Some background information on Mapping DS3/E3 signals into SONET/SDH and de-mapping DS3/E3
signals from SONET/SDH.
A brief discussion on the causes of jitter and wander within a DS3 or E3 signal that mapped into a SONET/
SDH signal, and is transported across the SONET/SDH Network.
A brief review of these Intrinsic Jitter and Wander requirements in both SONET and SDH applications.
A brief review on the Intrinsic Jitter and Wander measurement results (of a de-mapped DS3 or E3 signal)
whenever the XRT75L03D is used in a system design.
FIGURE 30. A SIMPLE ILLUSTRATION OF A DS3 SIGNAL BEING MAPPED INTO AND TRANSPORTED OVER THE SONET
NETWORK
PTE
SONET
Network
DS3 Data
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT75L03DIV-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3-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(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT75L03DIVTR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3CHNNEL E3/DS3/STS 1 SONET DE-SYNCH 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 |
| XRT75L03DIVTR-F | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| XRT75L03ES | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3 CH T3/E3/STS1 LIU+JA 3.3V 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 |
| XRT75L03IV | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3CH E3/DS3/STS1 JITTER ATTENUATOR RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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