參數(shù)資料
型號: L3235T
英文描述: Subscriber Line Interface Circuit
中文描述: 用戶線接口電路
文件頁數(shù): 21/26頁
文件大?。?/td> 457K
代理商: L3235T
APPENDIXA
L3235 TEST CIRCUITS
Referring to the test circuit reported in fig 17 you
can find the proper configuration for the main
measurements.
In particular:
A-B: Line terminals
C: Tx sending outputon 4W side
D: Rx receivinginput on 4W Side
FigureA1:
2W Return Loss
FigureA2:
Trans-hybrid Loss
R
L
= 20 log| Z
ML
| Z
ML
+
Z |= 20 log| 2V
S
|
| E
|
FigureA3:
SendingGain
T
HL
= 20logV
S
V
R
100
μ
F
100
μ
F
100
μ
F
100
μ
F
100
μ
F
100
μ
F
L3234 - L3235
21/26
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