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參數(shù)資料
| 型號(hào)： | XRT7295AT |
| 廠商： | Exar Corporation |
| 英文描述： | DS3/Sonet STS-1 Integrated Line Receiver |
| 中文描述： | DS3/Sonet STS - 1的集成線路接收器 |
| 文件頁(yè)數(shù)： | 10/18頁(yè) |
| 文件大小： | 1072K |
| 代理商： | XRT7295AT |
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XRT7295AT
10
Rev.1.20
OUTPUT JITTER
The total jitter appearing on the RCLK output during
normal operation consists of two components.
some jitter appears on RCLK because of jitter on the
incoming signal. (The next section discusses the jitter
transfer characteristic, which describes the relationship
between input and output jitter.) Second, noise sources
within the XRT7295AT device and noise sources that are
coupled into the device through the power supplies and
First,
datapatterndependentjitterduetomisequalizationofthe
input signal, all create jitter on RCLK. The magnitude of
this internally generated jitter is a function of the PLL
bandwidth, which in turn is a function of the input 1s
density. For higher 1s density, the amount of generated
jitter decreases. Generated jitter also depends on the
quality of the power supply bypassing networks used.
Figure 12
shows the suggested bypassing network, and
Table 5
lists the typical generated jitter performance.
Figure 7. Loss Characteristic of 728A
Coaxial Cable (450 ft.)
Figure 8. Phase Characteristic of 728A
Coaxial Cable (450 ft.)
12
10
8
6
4
2
01.0
2.0
5.0 10
Frequency (MHz)
20
50
100
100
80
60
40
20
0
1.0
2.0
5.0
Frequency (MHz)
10
20
50
100
L
P
JITTER TRANSFER CHARACTERISTIC
The jitter transfer characteristic indicates the fraction of
input jitter that reaches the RCLK output as a function of
input jitter frequency.
Table 5
shows Important jitter
transfercharacteristicparameters.
Figure 9
alsoshowsa
typical characteristic, with the operating conditions as
described in
Table 5.
Although existing standards do not
specify jitter transfer characteristic requirements, the
XRT7295AT
information is provided here to assist in
evaluation of the device.
Parameter
Typ
Max
Unit
Generated Jitter
1
All 1s pattern
Repetitive “100”
pattern
1.0
1.5
ns peak-to-peak
ns peak-to-peak
Jitter Transfer
Characteristic
2
Peaking
f 3dB
0.05
205
dB
kHz
Notes
1
Repetitive input data pattern at nominal DSX-3 level withV
DD
= 5V T
A
= 25
°
C.
2
Repetitive “100 ” input at nominal DSX-3 level with V
DD
= 5V,
T
A
= 25
°
C.
Table 5. Generated Jitter and Jitter Transfer
Characteristics
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT7295ATIW | DS3/Sonet STS-1 Integrated Line Receiver |
| XRT7295 | () |
| XRT7296 | INTEGRATED LINE TRANSMITTER |
| XRT7296IP | INTEGRATED LINE TRANSMITTER |
| XRT7296IW | INTEGRATED LINE TRANSMITTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT7295AT_10 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:DS3 SONET STS1 Integrated Line Receiver |
| XRT7295ATIW | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 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 |
| XRT7295ATIW-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI -.5V--6.5V temp -45 to 85C 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 |
| XRT7295ATIW-F | 制造商:Exar Corporation 功能描述:T3/E3 LIU IC |
| XRT7295ATIWTR | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 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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