Hye,i want to design HPF using ADS.But I've a problem where I don't know how to calculate the spec of interdigital capacitor which is for o/c stub.Can u help me to solve this problem?Here are my design spec:
FR-4
Er=4.9
Tand=0.019
t=0.035mm
h=1.6 mm
fc=2.5 Ghz
Yeah,i want to replace an o/c stub with interdigital capacitor.It is because my layout look like weird when I'm using the open cct.Here I attached my cct
Hye everybody,could u help me to calculate the value for microstrip interdigital capacitor (MICAP 1) in ADS...I need the value for W,L,G and GE..i can't find MICAP type in my calculator..my spec is