参数资料
型号: LXT363QE
英文描述: PCM TRANSCEIVER|SINGLE|T-1(DS1)|CMOS|QFP|44PIN|PLASTIC
中文描述: 的PCM收发器|单|的T 1(DS1的)|的CMOS | QFP封装| 44PIN |塑料
文件页数: 39/52页
文件大小: 1187K
代理商: LXT363QE
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
LXT361
Datasheet
39
Figure 12. 2.048 MHz E1 Pulse
(See
Table 27
)
Table 27. 2.048 MHz E1 Pulse Mask Specifications
Parameter
TWP
Coax
Unit
Test load impedance
120
75
Nominal peak mark voltage
3.0
2.37
V
Nominal peak space voltage
0 ±0.30
0 ±0.237
V
Nominal pulse width
244
244
ns
Ratio of positive and negative pulse amplitudes at center of pulse
95-105
95-105
%
Ratio of positive and negative pulse amplitudes at nominal half amplitude
95-105
95-105
%
20%
0%
(244-25)
219 ns
244 ns
NOMINAL PULSE
488 ns
(244+244)
1
1
50%
194 ns
(244- 50)
269 ns
(244+25)
1
1
1
1
2
2
V = 100%
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LXT360LE PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC
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