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Why does fringing capacitance of an "open" increase with frequency?

Question asked by drkirkby on Oct 6, 2012
Latest reply on Oct 8, 2012 by drkirkby
I know the fringing capacitance of an open is modelled as a polynomial. I've never plotted the capacitance vs frequency using the coefficients C0, C1, C2 and C3 for any Agilent "open", but at least looking at one graph in 

http://www.wiley.com/WileyCDA/WileyTitle/productCd-1119979552.html

the fringing capacitance of the open increases with frequency. I'm just interested in why this is. Does it keep rising with frequency, or does it ever fall? 

Dave

Edited by: drkirkby on Oct 6, 2012 8:28 PM  

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