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Momentum question

Question asked by biff44 on Jun 22, 2011
I am trying to learn momentum.  There is a momentum example "LPF_4_8_ GHz" that comes with the genesys download.  I can load this example, and make changes to it, and run it an see the response.  The notes call this a "microstrip filter", but it does not look like one.  As far as I can tell, this is a suspended stripline filter, with a 10 mil thick substrate and air above and below it (air layers 232.28 mils thick each).  Am I reading this correctly????  Or does it ignore the "air below" layer???