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參數(shù)資料
| 型號(hào)： | XR-T7296IW |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | DS3/STS-1, E3 Integrated Line Transmitter |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PDSO28 |
| 封裝： | 0.300 INCH, SOJ-28 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 187K |
| 代理商： | XR-T7296IW |
XR-T7296
7
Rev. 2.01
PULSE SHAPER
The pulse shaper circuit uses a combination of filters and
slew rate control techniques to pre-shape the pulse going
out to the line. The amplitude of the transmit pulse can be
adjusted using the TXLEV (Transmit Level) pin. When the
distance to the cross-connect exceeds 225 ft, TXLEV
should be set high. When the distance is less than 225 ft.
TXLEV should be set low. Setting TXLEV high enables
the transmitter to send out a nominal voltage of 1.0V
peak, and 850mV peak when low. The state of TXLEV pin
has no effect on E3 operation.
DRIVER MONITOR
Using TTIP and TRING as input, the driver monitor
detects driver failure by monitoring the activities at MTIP
and MRING. If no signal is detected on these pins for 128
TCLK cycles
32 cycles, DMO will be set high until the
next AMI signal is detected.
1:1
1
36
5%
36
5%
TTIP
TRING
75
5%
3
Figure 2. Transmit Pulse Amplitude Test Circuit
Note
1
Transformer = Pulse Engineering PE 65966, PE 65967
Surface Mount, Same Transformer for DS3, STS-1 and
E3.
Parameter
Turn Ratio
Primary Inductance
Isolation Voltage
Leakage Inductance
Value
1:1
40
μ
H
1500Vrms
0.6
μ
H
Table 1. Transmit Transformer Characteristics
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT7296IW-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI -.5V--6.5V 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 |
| XRT7296IW-F | 制造商:Exar Corporation 功能描述:T3/E3 LIU IC |
| XRT7296IWTR | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 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 |
| XRT7296IWTR-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 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 |
| XRT7298 | 制造商:EXAR 制造商全稱:EXAR 功能描述:DS3/STS-1, E3 INTEGRATED LINE TRANSMITTER |
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