[SI-LIST] Zdiff:100ohms?

Hi,

 Why is it a common practice to have differential
impedance (Zdiff) of 100 ohms ? what are implications
of Zdiff lower or higher than 100 ohms?


 Thanks,

 regards,
   Jayaprakash. 

Balachandran Jayaprakash                             
Celestijnenlaan,                                                   
63/2, 3001, Heverlee,                                           
Leuven, Belgium.                                                  
Mobile: +32-472-630120

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