How to correctly simulate a slot in the ground plane using pcbStack in MATLAB?

Hi all,

I'm trying to simulate a slot antenna using the pcbstack feature in MATLAB. I want create slot as separate object. Any recommendations?

Can I use customantenna for the same?

Answer 1

[AR]

Hi @andres,

A slot antenna can be modeled in MATLAB using either pcbStack or customAntenna, depending on the design requirements and complexity:

• "pcbStack" is ideal for structured, PCB-based modeling, where the slot is typically defined as a cutout in a metal layer (e.g., in the ground plane).
• "customAntenna" offers greater flexibility and is well-suited for complex or irregular slot geometries, especially when standard PCB stack-up is not required.

For detailed instructions and an example of modeling slotline transmission lines, you can refer to the following MATLAB Answers post:

https://in.mathworks.com/matlabcentral/answers/2174210-how-to-define-slotline-transmission-lines-without-ground-plane-in-antenna-toolbox-using?s_tid=srchtitle

Additionally, you can refer to the below documentation page for an example on setting up slotline structures using the Antenna Toolbox:

https://www.mathworks.com/help/antenna/ug/design-of-tapered-slot-siw-filtenna.html

I hope you find this helpful!

[andres]

Thank you, this helped!

[AR]

You're welcome.