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March 1997

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38:03 1997
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Technetters:

IPC-D-330, para. 4.2.5.1, the formula for a microstip is:

Zo = 87•ln [5.98 H/(0.8W + T)]/(Er + 1.41)0.5 [ohms].  What does the
[ohms] mean or contribute?

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