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參數資料
| 型號： | LXT315JE |
| 英文描述： | PCM Repeater |
| 中文描述： | 的PCM中繼 |
| 文件頁數： | 15/26頁 |
| 文件大小： | 402K |
| 代理商： | LXT315JE |
T1 CSU/ISDN PRI Transceiver
—
LXT310
Datasheet
15
3.0
Application Information
3.1
LATN Decoding Circuits and External Components
To conserve pins, the line attenuation output is encoded as a simple serial bit stream.
Table 4
provides the decoded output for each equalizer setting.
Figure 6
is a typical decoding circuit for the
LATN output. It uses a 2-bit synchronous counter (half of a 4-bit counter) with synchronous reset,
and a pair of flip-flops.
Table 5
lists approved crystals and transformers.
Table 4. LATN Output Coding
L1
L2
Line Attenuation
0
0
1
1
0
1
0
1
0.0 dB
-7.5 dB
-15.0 dB
-22.5 dB
Figure 6. Typical LATN Decoding Circuit
Table 5. Approved Crystals and Transformers
Component
Manufacturer
Part Numbers
Crystal
(6.176 MHz)
M-Tron
MP-1 3808-010 / 4144-002
Monitor Products
MSC1311-01B
CTS Knights
6176-180
Valpey Fisher
1
VF49A16FN1
U.S. Crystal
U18-18-6176SP
1. The customer should always verify the specifications of the quartz crystal against Intel
’
s recommended specification
point-
by-point
to make certain that the crystal suits the desired application.
Vcc
RCLK
CI
CO
Q
R
Q
D
Q
D
L2
L1
LATN
CI
CO
Q
R
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| LXT315NE | PCM REPEATER|T-1(DS1)|CMOS|DIP|16PIN|PLASTIC |
| LXT315PE | PCM REPEATER|T-1(DS1)|CMOS|LDCC|44PIN|PLASTIC |
| LXT316JE | PCM Repeater |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LXT315NE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM REPEATER|T-1(DS1)|CMOS|DIP|16PIN|PLASTIC |
| LXT315PE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM REPEATER|T-1(DS1)|CMOS|LDCC|44PIN|PLASTIC |
| LXT316 | 制造商:LVL1 制造商全稱:LVL1 功能描述:Low Power E1 PCM Repeaters/Transceivers |
| LXT316JE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Repeater |
| LXT316NE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Repeater |
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