Hello, i have done some studies about aperture coupling and for a project i have to simulate a coupling method from 1-2GHz with good S11 and S12.
I have done small analysis to microstriplines and their S11 as well as aperture coupling. To get good S11 with a open microstripline i created a via at the end to have a short circuit from the via to the ground plane. i did some simulation for the aperture size and position but all the results i got were super bad. The signal gets coupled from the bottom port (far up in the picture) to the top parrt so i moved the via more in direction bottom end of stripline. Currently i am running a lot of trial and error simulations but i feel like this cant be the way! I added a picture from my current structure
Does anyone has experience designing an apperturecoupling and can help me with some parameters conventions?
Best regards.
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Need help designing an aperturecoupling
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