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how simulation inductor with PGS in ADS Momentum

Question asked by mohammad1989 on Oct 5, 2015
Latest reply on Oct 7, 2015 by volker_muehlhaus
I want simulation  inductor with Patterned Ground shield,in ADS Momentum 2015.
(  no problem with  simulation and extract Q and L from inductor  without PGS)

How I can  Extract Quality factor From inductor with PGS.
I think  I have 2 option.
1- create 3 port( 2 port for inductor and 1 port for PGS). but I dont know how extract quality factor from this 3-port.

in normal PGS port must be Grounded.i dont know how ground a port in ADS Momentum..because momentum work with infinite ground(and we have no local ground).