saiyidah
Newbie level 3

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
FR-4
Er=4.9
Tand=0.019
t=0.035mm
h=1.6 mm
fc=2.5 Ghz