i have another controlled impedance question that is baffling me..

of all the jobs that we have run, the configuration we have used has always
been a textbook situation including striplines, dual striplines, embedded
microstrips, and the like..

now, i have one that i am looking at that doesn't look like anything i have
ever seen..

just as in the dual stripline model, there are traces embedded between
ground planes, but in this case, there are four sets of traces embedded
between the two planes..

does anyone have any ideas on how to handle this model?

thanks!


____
Sergio T. Ruiz
technology and MIS
Philway Products, Inc.
(419) 281-7777 x232

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