Complementary Filter Design ToolsĪ common question that comes up is which solution is better. Having an accurate and complete 3D model can save costly prototyping and rework later in the design cycle. The utility of a completely tuned filter model to do accurate prediction of tuning range, power handling and sensitivity cannot be over-emphasized. It also interfaces with a network analyzer to guide filter tuning on the bench. It interfaces with HFSS to take a roughly tuned filter model and adjusts the physical parameters until the model is properly tuned. The optimization capability is what really sets SynMatrix apart. The touchstone file can be from a network analyzer or from Ansys HFSS. It includes sensitivity, power handling, dispersion and coupling matrix calculation from a given touchstone file (.s2p). The digital filter synthesis module can export C-code for the generated filter. The netlist of active filters can be exported in SPICE format. With a single button click, the full filter geometry can be exported to Ansys HFSS for a high-fidelity prediction and optimization of filter performance.įinally, Nuhertz FilterSolutions also include synthesis tools for active, switched capacitor and digital filters. Nuhertz frequency response predictions are built on models derived from finite element solutions of the components of the filter. The planar geometry is generated, and the overall size of the filter is predicted automatically. A variety of standard designs and a library of vendor components is available for lumped element designs for instant prediction of circuit performance.įor planar filters, Nuhertz FilterSolutions offers a list of geometries relevant to the type of filter chosen and instantly predicts the filter response as the user selects each one. The first new tool is Ansys Nuhertz FilterSolutions, which dramatically speeds up the design of lumped element (surface mount) and planar filters. In conjunction with Ansys multiphysics analysis, first pass success is assured.įaster Filter Design With Nuhertz FilterSolutions These tools allow less-experienced engineers to be successful filter designers. Both can save weeks of design and test time for new filter development. To help address these needs in filter design, Ansys is introducing two new tools for RF/microwave filter design and analysis. It’s enough to force some engineers to take shortcuts and compromise design performance to meet schedule demands, which can also lead to design failures in the prototyping and testing phases. Due to the high Q nature and sensitivity of radio frequency (RF) filters, the design and tuning process can be tedious. However, high-performance microwave and millimeter wave filter design has traditionally required highly experienced, specialist engineers. 5G development is driving the need for more filter designs in newer frequency bands and new topologies across an ever-increasing number of products and equipment, resulting in the need for more engineers to develop filter design skills. Engineers with filter design skills are in demand.
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