参数资料
型号: WJLXT384LEB1
厂商: CORTINA SYSTEMS INC
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP144
封装: 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数: 81/140页
文件大小: 1514K
代理商: WJLXT384LEB1
45
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
Intel LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
5.10
Intel LXT384 Transceiver Line Length Equalizers
In Host Mode, the contents of the Pulse Shaping Data Register (PSDAT) determines the shape of
pulse output at TTIP/TRING. Refer to Table 44 and Table 45.
Table 18. Intel
LXT384 Transceiver Line Length Equalizers
Signal
Name
QFP
Pin
PBGA
Ball
Signal
Type
Signal Description
LEN0
LEN1
LEN2
84
85
86
J14
J13
J12
DI
Line Length Equalizer Input 2:0.
In Hardware Mode for the LXT384 Transceiver, these pins
determine the shape and amplitude of the transmit pulse.
Table 19. Intel
LXT384 Transceiver Line Length Equalizer Inputs
LEN2
LEN1
LEN0
Line Length
1
Cable Loss
2
Operation Mode
011
0 - 133 ft. ABAM
133 - 266 ft. ABAM
266 - 399 ft. ABAM
399 - 533 ft. ABAM
533 - 655 ft. ABAM
0.6 dB
1.2 dB
1.8 dB
2.4 dB
3.0 dB
T1
100
101
110
111
000
E1 G.703, 75
Ω coaxial cable and 120 Ω twisted pair
cable.
E1
1. Line length from LXT384 Transceiver to DSX-1 cross-connect point.
2. Maximum cable loss at 772KHz.
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