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Or in other words, if you do not include MSTEP elements, you might get a stepped-impedance low-pass characteristic response.
Or in other words, if you do not include MSTEP elements, you might get a stepped-impedance low-pass characteristic response.
NLINE has only W and L and doesn't have Teta(Electrical lenght)
NLINE has only W and L and doesn't have Teta(Electrical lenght)
You confused me because you have MSUB block, but then didn't use microstrip lines.
You used ideal lines - is the 2GHz frequency the correct frequency for this phase value?
You mentioned a paper/reference, but forgot to include that, so nobody knows what results you expect.
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You confused me because you have MSUB block, but then didn't use microstrip lines.
You used ideal lines - is the 2GHz frequency the correct frequency for this phase value?
You mentioned a paper/reference, but forgot to include that, so nobody knows what results you expect.
What you have drawn is a low pass, and the results that you show are low pass results.
for defining substrate, I used MSUB block...
That is fine - but it only has an effect for MLIN and other microstrip lines. It has NO effect for your ideal lines, of course.
I cann't define Teta with MLIN
Now, How can I show of S21 with resonance at 1.5GHz?
Yes, of course. You must convert electrical parameters to physical dimensions. One way to do this from the ADS schematic window: Tools > Linecalc.
???
I attach the paper here...this schematic has to resonance!
Yes, but it is a totally completely different layout. The resonators are coupled to the feedlines with coupled lines (gap). In your case, you have placed ports on the resonator - totally different.
you mean that the couple SIR work as resonator?
and I have to consider both coupled SIR???