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Problem with VSWR when designing slot antenna in CST

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Kabrera

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Hi

I'm designing a slot antenna and I'm using the CST software to do so.
I have been succeded on the farfield plots but I can't get the VSWR right.
I think the problem is the feed. Does anyone have simultated this kind of antenna that can help me?
Thanks
 

Hi..
could you please help me in designing slot antenna in CST,i.e.,the dimensions to use
 

Hi,

Probably is easier to use e-mail to explain how to build the slotted waveguide antenna.
First, you need to calculate the cut frequency and see if the working frequency is above the cut frequency. Then you put the feed cone at λg/4 from the bottom of the waveguide.
The slots must be distributed along the waveguide int intervals of λg counting from the feeding cone.
For more information mail me and i'll send you a schematic of the antenna i've built.

Best regards
 
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