[SI-LIST] : how do we select characteristic impedance ?

From: hawk lee ([email protected])
Date: Mon Jan 29 2001 - 12:36:51 PST

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Hello SI people:

1. How do we select characteristic impedance ? I have gone
through the discussion of 50 ohms, but is it a common practice
to increase or decrease the impedance to overcome some
of the overshoot/undershoot problems ?

2. Why did we choose 25ohms for RAMBUS ??

Regards;

Hawk

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