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參數(shù)資料
| 型號： | XRT73L00A |
| 廠商： | Exar Corporation |
| 英文描述： | E3/DS3/STS-1 LINE INTERFACE UNIT |
| 中文描述： | E3/DS3/STS-1線路接口單元 |
| 文件頁數(shù)： | 25/53頁 |
| 文件大?。?/td> | 604K |
| 代理商： | XRT73L00A |
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XRT73L00
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.2.0
22
4.
The on-chip Pulse-Shaping circuitry is configured
to generate Transmit Output pulses of the correct
shape and width to meet the applicable pulse
template requirement.
5.
The LOS Declaration/Clearance Criteria is estab-
lished.
2.0
Figure 1 indicates that the Transmit Section of the
XRT73L00 consists of the following blocks:
Transmit Logic Block
Duty Cycle Adjust Block
HDB3/B3ZS Encoder
Pulse Shaping Block
The purpose of the Transmit Section in the XRT73L00
is to take TTL/CMOS level data from the terminal
equipment and encode it into a format that can:
1.
be efficiently transmitted over coaxial cable at E3,
DS3 or STS-1 data rates.
THE TRANSMIT SECTION
2.
be reliably received by the Remote Terminal at
the other end of the E3, DS3 or STS-1 data link.
3.
comply with the applicable pulse template
requirements.
2.1
T
HE
T
RANSMIT
L
OGIC
B
LOCK
The purpose of the Transmit Logic Block is to accept
either Dual-Rail or Single-Rail (a binary data stream)
TTL/CMOS level data and timing information from the
Terminal Equipment.
Accepting Dual-Rail Data from the Terminal
Equipment
The XRT73L00 accepts Dual-Rail data from the Ter-
minal Equipment via the following input signals:
TPDATA
TNDATA
TCLK
Figure 10 illustrates the typical interface for the trans-
mission of data in a Dual-Rail Format between the
Terminal Equipment and the Transmit Section of the
XRT73L00.
F
IGURE
10. T
HE
T
YPICAL
I
NTERFACE
FOR
THE
T
RANSMISSION
OF
D
ATA
IN
A
D
UAL
-R
AIL
F
ORMAT
F
ROM
THE
T
RANS
-
MITTING
T
ERMINAL
E
QUIPMENT
TO
THE
T
RANSMIT
S
ECTION
OF
THE
XRT73L00
Exar E3/DS3/STS-1 LIU
(E3/DS3 or STS-1
Framer)
Terminal
Equipment
(E3/DS3 or STS-1
TxPOS
TxNEG
TxLineClk
Block
Transmit
Logic
Block
TPDATA
TNDATA
TCLK
F
IGURE
11. H
OW
THE
XRT73L00 S
AMPLES
THE
D
ATA
ON
THE
TPDATA
AND
TNDATA I
NPUT
P
INS
TCLK
TPDATA
TNDATA
Data 1 1 0 0
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| XRT73L00AIV | E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT75L03DIV | Telecomm/Datacomm |
| XRT75L00 | E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75L00IV | E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75L03 | THREE 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 |
|---|---|
| XRT73L00AES | 功能描述:界面開發(fā)工具 Eval System for XRT73L00A Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XRT73L00AIV | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73L00IV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LINE INTERFACE|QFP|44PIN|PLASTIC |
| XRT73L02M | 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73L02MES | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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 |
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