參數(shù)資料
型號(hào): L3234
廠商: 意法半導(dǎo)體
英文描述: CAP CER 1.5UF 50V 20% X7R 1812
中文描述: 高度集成的用戶接口盒針對(duì)交換機(jī)與關(guān)鍵系統(tǒng)應(yīng)用
文件頁(yè)數(shù): 15/26頁(yè)
文件大小: 457K
代理商: L3234
AC characteristic
A simplified AC model of the transmission circuits
is shown in figure 15.
Where :
V
rx
V
tx
V
l
E
g
Z
l
is the received signal
is the transmitted signal
is the AC transversal voltage at line terminations.
is the line open circuitAC voltage
is the line impedance
R
p
Z
B
Z
A
Z
AC
R
PC
are the protection resistors
is the line impedance balancingnetwork
is the SLIC impedance balancingnetwork
program the AC line termination impedance
used for external protection resistors insertion
loss compensation
is the AC transversal current divided by 50
CAC AC feedback current decoupling
I
l
/50
Figure13:
DCcharacteristicin ActiveMode withtwo differentvaluesof limiting current (30mA and 70mA).
Figure14:
Line current versusloop resistance with two different values of limiting current (30mAand
70mA)
L3234 - L3235
15/26
相關(guān)PDF資料
PDF描述
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