How to Numerically Simplify Your Periodic RF Models

Jiyoun Munn April 22, 2019

Looking for an easier way to model periodic RF structures, such as frequency selective surfaces, electromagnetic band gap structures, reactive and high impedance surfaces, and metamaterials?

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Jiyoun Munn April 19, 2019

The RF Module includes 4 physics interfaces and studies that you can use to analyze electromagnetic wave propagation and resonance behavior in your RF analyses.

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Jiyoun Munn April 12, 2019

Your guide to the 4 different types of lumped ports that you can use for your RF analyses, as well as the different modeling scenarios in which each type is applicable.

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Jiyoun Munn April 4, 2019

You can study and prototype a phased array antenna without analyzing the entire structure through a full 3D wave equation (saving time and computational costs) by using an antenna array factor.

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Jiyoun Munn April 3, 2019

Say you’re modeling a two-port device and want to reduce the computational resources involved. We demonstrate one way to do so, involving a Touchstone file…

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Jiyoun Munn March 28, 2019

Sometimes, your models need to include connectors. Instead of spending time creating geometries for each connector, you can simply add them from the Part Library.

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Jiyoun Munn September 25, 2018

Want to make your RF and microwave device modeling more efficient? Read this blog post to learn how to implement the fast Fourier transform in your simulations.

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Jiyoun Munn April 3, 2018

Tunable cavity filters can enhance the development of high-speed, wireless communication networks. To optimize these devices for such a purpose, we can turn to high-fidelity modeling.

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Jiyoun Munn July 19, 2017

When it comes to designing RF, microwave, and millimeter-wave circuits with electromagnetics simulation, the key is to start simple and gradually add complexity to your analyses.

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Jiyoun Munn October 31, 2016

To keep our antenna modeling process efficient and accurate, we should start with a simple geometry and then gradually add more complex features. The final simulation needs to include enough detail to accurately represent our design, while excluding elements that needlessly increase the computational cost. To demonstrate this, we look at an anechoic chamber example, which is used to characterize antenna performance, before examining how this process applies to several antenna examples available in the COMSOL Multiphysics® software.

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Jiyoun Munn July 4, 2016

When designing bandpass-filter type high-Q devices with the finite element method in the frequency domain, you will likely come across a situation where you need to apply many frequency samples to more accurately describe the passband. Simulation time is directly proportional to the number of frequencies included in the simulation of a microwave device, with the time increasing as the frequency resolution used becomes finer. Two powerful simulation methods in the RF Module help accelerate the modeling of such devices.

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