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85301AGL 参数 Datasheet PDF下载

85301AGL图片预览
型号: 85301AGL
PDF下载: 下载PDF文件 查看货源
内容描述: 2 : 1差分至LVPECL多路复用器 [2:1 DIFFERENTIAL-TO-LVPECL MULTIPLEXER]
分类和应用: 复用器
文件页数/大小: 19 页 / 299 K
品牌: ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
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ICS85301  
2:1  
DIFFERENTIAL-TO-LVPECL MULTIPLEXER  
Integrated  
Circuit  
Systems, Inc.  
TERMINATION FOR 2.5V LVPECL OUTPUT  
Figure 4A and Figure 4B show examples of termination for close to ground level. The R3 in Figure 4B can be eliminated  
2.5V LVPECL driver.These terminations are equivalent to ter- and the termination is shown in Figure 4C.  
minating 50Ω to VCC - 2V. For VCC = 2.5V, the VCC - 2V is very  
2.5V  
VCC=2.5V  
2.5V  
2.5V  
VCC=2.5V  
Zo = 50 Ohm  
Zo = 50 Ohm  
R1  
250  
R3  
250  
+
-
Zo = 50 Ohm  
Zo = 50 Ohm  
+
-
2,5V LVPECL  
Driver  
R1  
50  
R2  
50  
2,5V LVPECL  
Driv er  
R2  
62.5  
R4  
62.5  
R3  
18  
FIGURE 4A. 2.5V LVPECL DRIVERTERMINATION EXAMPLE  
FIGURE 4B. 2.5V LVPECL DRIVERTERMINATION EXAMPLE  
2.5V  
VCC=2.5V  
Zo = 50 Ohm  
+
Zo = 50 Ohm  
-
2,5V LVPECL  
Driv er  
R1  
50  
R2  
50  
FIGURE 4C. 2.5V LVPECLTERMINATION EXAMPLE  
85301AK  
www.icst.com/products/hiperclocks.html  
REV.A JANUARY 16, 2006  
11  
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