參數(shù)資料
型號: ECL
英文描述: ECL Output Termination Techniques (91k)
中文描述: ECL輸出終端技術(shù)(91k)
文件頁數(shù): 4/6頁
文件大?。?/td> 91K
代理商: ECL
4
www.semtech.com
HIGH-PER.ORMANCE PRODUCTS
Revision 1/January 9, 2002
AN1003
Another alternative would be the “Y” scheme termina-
tion as shown in figures 4 and 5. The advantage of
using “Y” scheme termination is that it does not re-
quire an extra power supply for termination, it is cost
effective and easy to implement.
This scheme is ap-
plicable only to sources with differential outputs.
Typical ECL/PECL Device
Transmission Line
Zo
Figure 4
R2 = 2Zo
0.1
F
VCC
R
1
=
Z
o
R
1
=
Z
o
"Y" Termination Scheme for 5.0 V Power Supply
“Y” Scheme Termination
Typical ECL/PECL Device
Transmission Line
Zo
Figure 5
R2 = Zo
0.1
F
VCC
R
1
=
Z
o
R
1
=
Z
o
"Y" Termination Scheme for 3.3 V Power Supply
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