[SI-LIST] non-negative off diagonal capacitive matrix elements ??

From: Ray Anderson <Raymond.Anderson@xxxxxxx>
To: si-list@xxxxxxxxxxxxx
Date: Fri, 31 Aug 2001 10:08:03 -0700 (PDT)


I've just extracted the RLGC matrices for 5 coupled
striplines using Apsimtech RLGC.

As expected, the diagonal elements of the capacitive matrix are
positive capacitance values. All the off-diagonal elements are
negative EXCEPT one. Is this correct. It has been a while since I've 
thought about this, but I was under the impression the capacitive
off diag element were all negative. Anyone know for sure ??

The element in column 1 row 5 is the one I question:


   3.1600e-15                        
  -4.9360e-16   3.2540e-15            
  -2.0080e-17  -4.8990e-16   3.2540e-15                        
  -1.3380e-18  -1.9820e-17  -4.8990e-16   3.2540e-15            
   3.1280e-20  -1.3380e-18  -2.0080e-17  -4.9360e-16   3.1600e-15




-Ray

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Follow-Ups:

[SI-LIST] Re: non-negative off diagonal capacitive matrix elements ??
From: Jian-X. Zheng

[SI-LIST] Re: non-negative off diagonal capacitive matrix elements ??
From: Neeraj Pendse

[SI-LIST] Re: non-negative off diagonal capacitive matrix elements ??
From: Raj Raghuram

[SI-LIST] non-negative off diagonal capacitive matrix elements ??

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