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electrically small structure
Recently, I engaged in designing an electrically small antenna with input impedance of 50Ω and the working frequency is 30MHz.
The length of the antenna is expected to be about 30cm, I tried TEM horn but found the S11 is too poor.
Is there anybody who can provide...
I'm confused by a problem these days and I hope that you can help me.
I want to investigate the return loss of a TEM horn by using HFSS, while the impedance of the feeding line is supposed to be 50Ω.
Do I need to describe the concrete feeding structure in HFSS when doing...