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參數(shù)資料
| 型號(hào)： | XRT83VSH28IB |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PBGA225 |
| 封裝： | 19 X 19 MM, 1 MM PITCH, PLASTIC, BGA-225 |
| 文件頁(yè)數(shù)： | 33/74頁(yè) |
| 文件大小： | 574K |
| 代理商： | XRT83VSH28IB |
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PRELIMINARY
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH28
30
REV. P1.0.0
F
IGURE
17. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
ATAOS F
UNCTION
3.5.2
QRSS Generation
The XRT83VSH28 can transmit a QRSS random sequence to a remote location from TTIP/TRING. The
polynomial is shown in
Table 8
.
3.5.3
Arbitrary Pulse Generator For E1
The arbitrary pulse generator divides the pulse into eight individual segments. Each segment is set by a 7-Bit
binary word by programming the appropriate channel register. This allows the system designer to set the
overshoot, amplitude, and undershoot for a unique line build out. The MSB (bit 7) is a sign-bit. If the sign-bit is
set to "0", the segment will move in a positive direction relative to a flat line (zero) condition. If this sign-bit is
set to "1", the segment will move in a negative direction relative to a flat line condition. The resolution of the
DAC is typically 60mV per LSB. Thus, writing 7-bit = 1111111 will clamp the output at either voltage rail
corresponding to a maximum amplitude. A pulse with numbered segments is shown in
Figure 18
.
F
IGURE
18. A
RBITRARY
P
ULSE
S
EGMENT
A
SSIGNMENT
N
OTE
:
By default, the arbitrary segments are programmed to 0x00h. The transmitter outputs will result in an all zero
pattern to the line interface.
3.6
DMO (Digital Monitor Output)
T
ABLE
8: R
ANDOM
B
IT
S
EQUENCE
P
OLYNOMIALS
R
ANDOM
P
ATTERN
E1
QRSS
2
15
- 1
RLOS
ATAOS
TAOS
TTIP
TRING
Tx
1
2
3
4
5
6
7
8
Segment
Register
1
2
3
4
5
6
7
8
0xn8
0xn9
0xna
0xnb
0xnc
0xnd
0xne
0xnf
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83VSH28IB-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 8 Channel 1.8V-3.3V 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 |
| XRT83VSH28IB-F | 制造商:Exar Corporation 功能描述:T1/E1 LIU IC |
| XRT83VSH314 | 制造商:EXAR 制造商全稱:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83VSH314ES | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 14 CHT1/E1LIUSH LOW COST VERSION 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 |
| XRT83VSH314IB | 功能描述:接口 - 專用 14 CH, SH T1/E1 1.8V DGTL/3.3V ANLG RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
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