參數(shù)資料
型號(hào)： XRT75R06
廠商： Exar Corporation
英文描述： SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
中文描述： 六通道E3/DS3/STS-1線路接口單元與抖動(dòng)衰減器
文件頁(yè)數(shù)： 23/63頁(yè)
文件大?。?/td> 350K
代理商： XRT75R06
á
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R06
REV. 1.0.0
20
3.5
3.5.1
A Digital Loss of SIgnal (DLOS) condition occurs when a string of 175 ± 75 consecutive zeros occur on the line.
When the DLOS condition occurs, the DLOS_n bit is set to “1” in the status control register. DLOS condition is
cleared when the detected average pulse density is greater than 33% for 175 ± 75 pulses. Analog Loss of
Signal (ALOS) condition occurs when the amplitude of the incoming line signal is below the threshold as shown
in the Table 1.The status of the ALOS condition is reflected in the ALOS_n status control register. RLOS is the
logical OR of the DLOS and ALOS states. When the RLOS condition occurs the RLOS_n output pin is toggled
“High” and the RLOS_n bit is set to “1” in the status control register.
LOS (Loss of Signal) Detector
DS3/STS-1 LOS Condition
3.5.2
For debugging purposes it is useful to disable the ALOS and/or DLOS detection. Writing a “1” to both
ALOSDIS_n and DLOSDIS_n bits disables the LOS detection on a per channel basis.
Disabling ALOS/DLOS Detection
T
ABLE
1: T
HE
ALOS (A
NALOG
LOS) D
ECLARATION
AND
C
LEARANCE
T
HRESHOLDS
FOR
A
GIVEN
SETTING
OF
LOSTHR
AND
REQEN (DS3
AND
STS-1 A
PPLICATIONS
)
A
PPLICATION
REQEN S
ETTING
LOSTHR S
ETTING
S
IGNAL
L
EVEL
TO
D
ECLARE
ALOS
D
EFECT
S
IGNAL
L
EVEL
TO
C
LEAR
ALOS
D
EFECT
DS3
0
0
< 75mVpk
> 130mVpk
1
0
< 45mVpk
> 60mVpk
0
1
< 120mVpk
> 45mVpk
1
1
< 55mVpk
> 180mVpk
STS-1
0
0
< 120mVpk
> 170mVpk
1
0
< 50mVpk
> 75mVpk
0
1
< 125mVpk
> 205mVpk
1
1
< 55mVpk
> 90mVpk
相關(guān)PDF資料
PDF描述
XRT75R06IB SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12D TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R12DIB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R12 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12IB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75R06D 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R06DES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 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
XRT75R06DIB 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 6CH E3/DS3/STS1 LIU w/DeSynch 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
XRT75R06DIB-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 6 Channel 3.3V-5V temp -45 to 85C 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
XRT75R06ES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 6CH T3/E3/STS1LIU+JA 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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