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Hello all,
How can i calculate S21 parameter for microstrip that excited with gaussian pulse from total/scattered field? I want to extract S21 directly from E-field.
thanks.
Re: SOS!
bandwidth=40MHz
freq. : 8.2-8.4GHz
Width of SIW filter = 15.56 mm
Height of substrate= 0.5 mm
εr=2.2
with these information, the Impedance of filter is ≈ 7.5 Ω !! i think for matching need to transition. ??
I want to simulate this kind of filter with FDTD. first, i used only 50 ohm...
SOS!
how can i match SIW(substrate integrated waveguide) filter ( with 7.5Ω impedance) to 50Ω microstrip line? which kind of transition is better? GCPW, tapered or quarter wave length transition?
I want to design SIW bandpass filter (substrate integrated waveguide) that operate in x-band, but i have a problem for matching this filter to 50Ω stripline. I don't know which kind of transition is better ,and how.
please help me , thanks.
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