參數(shù)資料
型號(hào): MT9076AB
廠商: Mitel Networks Corporation
英文描述: T1/E1/J1 3.3V Single Chip Transceiver
中文描述: T1/E1/J1收發(fā)3.3V的單芯片收發(fā)器
文件頁數(shù): 24/160頁
文件大?。?/td> 416K
代理商: MT9076AB
MT9076
Preliminary Information
20
Figure 7 - Pulse Template (T1.403)(T1)
Name
Functional Description
WR
Winding Ratio.
Set this pin low if a 1:2.4 transformer is used on the transmit side. Set this
pin high if a 1:2 transformer is used.
TX2-0
Transmit pulse amplitude.
Select the TX2 –TX0 bits according to the line type, value of
termination resistors (RT), and transformer turns ratio used
TX2 TX1 TX0 Line Impedance(
) RT (
) Transformer Ratio
WR=0 WR=1 WR=0 WR=1
0 0 0 120 0 0 1:2.4 1:2
0 0 1 120 0 0 1:1 1:1
0 1 0 120 10.4 15 1:2.4 1:2
0 1 1 120 / 75 8.4 12.1 1:2.4 1:2
1 0 0 75 0 0 1:2.4 1:2
1 0 1 75 0 0 1:1 1:1
1 1 1 75 6.5 9.1 1:2.4 1:2
1 1 1 75 / 120 8.4 12.1 1:2.4 1:2
After reset these bits are zero.
Table 2 - Transmit Pulse Amplitude (E1)
N
-
-
-
-
0
0
0
0
0
0
0
0
-
Time, in unit intervals (UI)
0
1
1.20
1.05
0.95
0.90
0.80
0.50
0.05
0
-0.05
-0.45
-0.26
NOTE: 1 Unit Interval = 648 nanoseconds
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參數(shù)描述
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