There will be a focus on bandpass filter design, though we will also touch on other types such as lowpass/highpass and multiplexer filters. The program will include topics like synthesis, the realization of distributed models, tuning based on the coupling matrix and multiphysics analyses. This workshop will provide you with a solid overview of the complete set of simulation solutions that can be applied in practical filter design. This workshop is a fantastic resource for all filter designers, regardless of whether you are currently using CST STUDIO SUITE® or you’re just curious about the topic of filter simulation. Speaking of the workshop, could you give us an overview of what will be covered? Who should be sure to attend and why? At the workshop, we will have two dedicated sessions for these topics. This can lead to substantial detuning of the filter structure and therefore requires both thermal and mechanical simulation which are available in CST STUDIO SUITE® 2018. Another potentially harmful effect is heating due to power dissipation in a device or adjacent components. A very capable tool in our arsenal is SPARK3D, which uses advanced algorithms to calculate possible RF breakdown either in a vacuum or in gas – perhaps better known as multipaction and corona discharge. This can lead to various unwanted effects that require advanced simulation during the design phase. When it comes to transmitter systems, front-end filters typically need to be able to handle high input power. Our software eliminates that time-consuming effort when tuning and provides an efficient solution that is far more capable than brute-force optimization.īesides EM, what multiphysics effects do filter designers also need to watch out for? What we’ve done is taken the new capabilities of CST Filter Designer 3D and implemented an optimizer dedicated for coupled-resonator filters. I think any person who has tried to tune up a filter knows the cumbersome workflow and time-consuming routines they have to endure (perhaps with a minimal number of exceptions). How does CST’s new coupling matrix based optimization improve the filter design workflow? Moving mesh enables us to tune up very sensitive filters that can have fractional bandwidths of 1% and below. Another great feature is our moving mesh technology that helps overcome “mesh noise,” which is a common simulation issue. It also has a unique feature that allows you to extract the coupling matrix from the S-parameters of your EM simulation model, which provides insight into the operation of this 3D model without having to dissect or analyze it using surrogate circuits. CST Filter Designer 3D is much more than just a synthesis tool. This tool provides the capability for synthesizing a coupling matrix based on the user’s input of specifications –including arbitrarily placed transmission zeros for bandpass, bandstop or diplexer filters. A vital contribution in this regard came with CST Filter Designer 3D. Over the past two years, in particular, we introduced many new features for filter design and tuning. What new features for filter design and tuning has CST recently introduced? and will no doubt benefit filter designers of all levels and areas of focus. We also recommend checking out our 2017 eSeminar, “Overview of CST Filter Design Technology” you can watch on-demand. If you want to learn more, the CST Filter Design Workshop is fast approaching and registration is open! The workshop will take place on February 27th outside Washington D.C. Theunis Beukman about the latest solvers and features that make CST STUDIO SUITE® such an excellent tool for designers. We spoke to one of CST’s resident filter experts, Dr. In recent years, CST’s filter design and analysis technology have continually improved, resulting in exciting new tools that facilitate design, analysis, and optimization.
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