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參數(shù)資料
| 型號(hào)： | LXT351 |
| 廠商： | Intel Corp. |
| 英文描述： | T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation |
| 中文描述： | 短途的T1/E1收發(fā)器與晶體抖動(dòng)衰減 |
| 文件頁(yè)數(shù)： | 29/46頁(yè) |
| 文件大?。?/td> | 1132K |
| 代理商： | LXT351 |
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T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation
—
LXT351
Datasheet
29
4.0
Application Information
4.1
Transmit Return Loss
Table 15
shows the specification for transmit return loss in E1 applications. The G.703/CH PTT
specification is a Swiss Telecommunications Ministry specification.
Table 16
and
Table 17
show the transmit return loss values for E1 and T1 applications.
4.2
Transformer Data
Specifications for transformers are listed in
Table 18
. A list of transformers recommended for use
with the LXT351 are specified in
Table 19
.
4.3
Application Circuit
Figure 11
shows a typical LXT351 application.
4.4
Line Protection
On the receive side, 1 k
series resistors protect the receiver against current surges coupled into
the device. Due to the high receiver impedance (40 k
typical) the resistors do not affect the
receiver sensitivity. On the transmit side, Schottky diodes D1-D4 protect the output driver. While
not mandatory for normal operation, these protection elements are strongly recommended to
improve the design robustness
Table 15. E1 Transmit Return Loss Requirements
Frequency Band
Return Loss
ETS 300 166
G.703/CH PTT
51-102 kHz
6 dB
8 dB
102-2048 kHz
8 dB
14 dB
2048 - 3072 kHz
8 dB
10 dB
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LXT351PE | PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
| LXT351QE | PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC |
| LXT361QE | Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
| LXT360 | Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
| LXT361 | Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LXT351PE | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
| LXT351QE | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC |
| LXT360 | 制造商:LVL1 制造商全稱:LVL1 功能描述:Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
| LXT360LE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC |
| LXT360PE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
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