參數(shù)資料
型號(hào)： XRT75R03D
廠商： Exar Corporation
英文描述： THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
中文描述： Three頻道E3/DS3/STS-1線路接口單元與SONET DESYNCRONIZER
文件頁數(shù)： 7/134頁
文件大小： 803K
代理商： XRT75R03D
XRT75R03D
REV. 1.0.2
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
IV
Figure 45. An Illustration of an STS-1 signal being processed via a Slip Buffer .......................................... 106
Figure 46. An Illustration of the Bit Format within the 16-bit word (consisting of the H1 and H2 bytes) with the "I"
bits designated ........................................................................................................................... 107
Figure 47. An Illustration of the Bit-Format within the 16-bit word (consisting of the H1 and H2 bytes) with the
"D" bits designated ..................................................................................................................... 108
10.3.4 Why are we talking about Pointer Adjustments ........................................................................ 109
10.4 C
LOCK
G
APPING
J
ITTER
.............................................................................................................................. 109
Figure 48. Illustration of the Typical Applications for the XRT75R03D in a SONET De-Sync Application ... 109
10.5 A R
EVIEW
OF
THE
C
ATEGORY
I I
NTRINSIC
J
ITTER
R
EQUIREMENTS
(
PER
T
ELCORDIA
GR-253-CORE)
FOR
DS3
AP
-
PLICATIONS
........................................................................................................................................................................ 110
T
ABLE
31: S
UMMARY
OF
"C
ATEGORY
I I
NTRINSIC
J
ITTER
R
EQUIREMENT
PER
T
ELCORDIA
GR-253-CORE,
FOR
DS3
APPLICATIONS
.................................................................................................................................. 110
10.5.1 DS3 De-Mapping Jitter ................................................................................................................... 111
10.5.2 Single Pointer Adjustment ............................................................................................................ 111
Figure 49. Illustration of Single Pointer Adjustment Scenario ...................................................................... 111
10.5.3 Pointer Burst .................................................................................................................................. 112
10.5.4 Phase Transients ........................................................................................................................... 112
Figure 50. Illustration of Burst of Pointer Adjustment Scenario .................................................................... 112
Figure 51. Illustration of "Phase-Transient" Pointer Adjustment Scenario ................................................... 112
10.5.5 87-3 Pattern .................................................................................................................................... 113
10.5.6 87-3 Add .......................................................................................................................................... 113
Figure 52. An Illustration of the 87-3 Continuous Pointer Adjustment Pattern ............................................. 113
10.5.7 87-3 Cancel ..................................................................................................................................... 114
Figure 53. Illustration of the 87-3 Add Pointer Adjustment Pattern .............................................................. 114
Figure 54. Illustration of 87-3 Cancel Pointer Adjustment Scenario ............................................................. 114
10.5.8 Continuous Pattern ........................................................................................................................ 115
10.5.9 Continuous Add ............................................................................................................................ 115
Figure 55. Illustration of Continuous Periodic Pointer Adjustment Scenario ............................................... 115
10.5.10 Continuous Cancel ...................................................................................................................... 116
Figure 56. Illustration of Continuous-Add Pointer Adjustment Scenario ....................................................... 116
Figure 57. Illustration of Continuous-Cancel Pointer Adjustment Scenario .................................................. 116
10.6 A R
EVIEW
OF
THE
DS3 W
ANDER
R
EQUIREMENTS
PER
ANSI T1.105.03
B
-1997. ........................................... 117
10.7 A R
EVIEW
OF
THE
I
NTRINSIC
J
ITTER
AND
W
ANDER
C
APABILITIES
OF
THE
XRT75R03D
IN
A
TYPICAL
SYSTEM
AP
-
PLICATION
.......................................................................................................................................................................... 117
10.7.1 Intrinsic Jitter Test results ............................................................................................................ 117
T
ABLE
32: S
UMMARY
OF
"C
ATEGORY
I I
NTRINSIC
J
ITTER
T
EST
R
ESULTS
"
FOR
SONET/DS3 A
PPLICATIONS
..... 117
10.7.2 Wander Measurement Test Results ............................................................................................. 118
10.8 D
ESIGNING
WITH
THE
XRT75R03D .............................................................................................................. 118
10.8.1 How to design and configure the XRT75R03D to permit a system to meet the above-mentioned
Intrinsic Jitter and Wander requirements ..................................................................................................................... 118
Figure 58. Illustration of the XRT75R03D being connected to a Mapper IC for SONET De-Sync Applications ..
118
C
HANNEL
C
ONTROL
R
EGISTER
- C
HANNEL
0 A
DDRESS
L
OCATION
= 0
X
06 ................................................. 119
C
HANNEL
1 A
DDRESS
L
OCATION
= 0
X
0E ......................................... 119
C
HANNEL
2 A
DDRESS
L
OCATION
= 0
X
16 ......................................... 119
C
HANNEL
C
ONTROL
R
EGISTER
- C
HANNEL
0 A
DDRESS
L
OCATION
= 0
X
06 ................................................. 120
C
HANNEL
1 A
DDRESS
L
OCATION
= 0
X
0E .............................................. 120
C
HANNEL
2 A
DDRESS
L
OCATION
= 0
X
16 ............................................... 120
J
ITTER
A
TTENUATOR
C
ONTROL
R
EGISTER
- (C
HANNEL
0 A
DDRESS
L
OCATION
= 0
X
07 ............................... 120
C
HANNEL
1 A
DDRESS
L
OCATION
= 0
X
0F .................................. 120
C
HANNEL
2 A
DDRESS
L
OCATION
= 0
X
17 .................................. 120
10.8.2 Recommendations on Pre-Processing the Gapped Clocks (from the Mapper/ASIC Device) prior
to routing this DS3 Clock and Data-Signals to the Transmit Inputs of the XRT75R03D .......................................... 121
J
ITTER
A
TTENUATOR
C
ONTROL
R
EGISTER
- C
HANNEL
0 A
DDRESS
L
OCATION
= 0
X
07 ................................ 121
C
HANNEL
1 A
DDRESS
L
OCATION
= 0
X
0F ............................ 121
C
HANNEL
2 A
DDRESS
L
OCATION
= 0
X
17 ............................ 121
J
ITTER
A
TTENUATOR
C
ONTROL
R
EGISTER
- C
HANNEL
0 A
DDRESS
L
OCATION
= 0
X
07 ................................ 121
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(shí)鐘合成器/抖動(dòng)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
XRT75R03DIV 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3CHNNEL E3/DS3/STS 1 JITTER ATTENUATOR 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
XRT75R03DIV-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3-Ch E3/DS3/STS-1 RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT75R03DIVTR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3CHNNEL E3/DS3/STS 1 JITTER ATTENUATOR 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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