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designing magic tee using hfss

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eeengineeer

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Hi,
I designed a wr90 magic tee using HFSS frequency range is 8-12 GHz and the solution frequency is set to 12 GHz
but it's mismatched and the results aren't satisfying because dB(S(1,1)),dB(S(2,2)),dB(S(3,3)) are between (-5)-(-10)dB
so what I must do to get at least -15 dB on all 3 of them?
I'd be thankful if you could help me
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Thanks for the reply
I did the 4th arm too here's the result
but still not good as it's not -15 dB yet
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Last edited:
yeah i started with the simplest design
but started to change things around when it didn't reach -15 dB
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