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R extraction for the diode array

Question asked by andrewng on Jan 17, 2012
Latest reply on Feb 14, 2012 by andrewng

Dear All,

 

I meet a case that when I extract a N-type diode array (N+ diffusion on P-well) and found the resistance value of P-well terminal is always lower than I expected.

The case is I used a 10000um long path to parallel the N-type diode array with same terminal.

I expected the extracted resistance for P-well terminal is about 150ohm.

However, the extracted point of this terminal is alway on the middle of the whole P-well.

 

Is there someone could give me advise how to extract resistance which for the diode terminals?

 

Andrew

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