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Hi,
I am simulating a simple coax in hfss with waveports defined at both the ends. When I change the length, all the S parameters have changed.
Theoretically, S12 and S21 should be changed by a factor of exp(j*beta*length) and the S11 and S22 should change by factor of exp(2*j*beta*length)...
Hi,
I simulated a patch antenna with coaxial feed to resonate at 2.8 GHz with a return loss of -20 dB and no resonance elsewhere.
Please find attached my model.
I fabricated this antenna and tested it. The fabricated antenna has return loss of only -3.6 dB at 2.8 GHz whereas it is resonating...
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