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參數(shù)資料
| 型號(hào)： | XRT75L06IB |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PBGA217 |
| 封裝： | 23 X 23 MM, BGA-217 |
| 文件頁數(shù)： | 36/63頁 |
| 文件大?。?/td> | 360K |
| 代理商： | XRT75L06IB |
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XRT75L06
REV. 1.0.3
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
33
3.6
This feature is used for monitoring the transmit line for occurrence of fault conditions such as a short circuit on
the line or a defective line driver. To activate this function, connect MTIP_n pins to the TTIP_n lines via a 270
resistor and MRing_n pins to TRing_n lines via 270
resistor as shown in Figure 24.
Transmit Drive Monitor
When the MTIP_n and MRing_n are connected to the TTIP_n and TRing_n lines, the drive monitor circuit
monitors the line for transitions. The DMO_n (Drive Monitor Output) will be asserted “Low” as long as the
transitions on the line are detected via MTIP_n and MRing_n. If no transitions on the line are detected for 128
± 32 TxClk_n periods, the DMO_n output toggles “High” and when the transitions are detected again, DMO_n
toggles “Low”.
N
OTE
:
The Drive Monitor Circuit is only for diagnostic purpose and does not have to be used to operate the transmitter.
3.7
Transmitter Section On/Off
The transmitter section of each channel can either be turned on or off. To turn on the transmitter, set the input
pin TxON to “High” and write a “1” to the TxON_n control bit. When the transmitter is turned off, TTIP_n and
TRing_n are tri-stated.
N
OTES
:
1.
2.
This feature provides support for Redundancy.
To permit a system designed for redundancy to quickly shut-off the defective line card and turn on the back-up line
card, writing a “1” to the TxON_n control bits transfers the control to TxON pin.
F
IGURE
24. T
RANSMIT
D
RIVER
M
ONITOR
SET
-
UP
.
TTIP(n)
TRing(n)
1:1
R3
75
TxPOS(n)
TxNEG(n)
TxLineClk(n)
TPData(n)
TNData(n)
TxClk(n)
31.6
+ 1%
31.6
+1%
R1
R2
MTIP(n)
MRing(n)
270
270
R1
R2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT75R03D | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER |
| XRT75R03DIV | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER |
| XRT75R03 | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75R03IV | THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75R06D | SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT75L06IB-F | 功能描述:外圍驅(qū)動(dòng)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(fēng)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(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 |
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