Our project focuses on developing a point-to-point shunt capacitor filter. This filter will dramatically improve the higher frequency performance requirements of low pass filters used on the I/O signals of electronic modules in cars. Specifically, the aim is to reduce the amount of parasitic inductance beyond the capacitor’s resonance frequency, using techniques such as decreasing PCB thickness and increasing trace width. Currently, the filters in use suffer from significant performance degradation once the capacitors enter a range where they behave inductively. Therefore, we are aiming to improve the performance in those ranges. Using different simulation/design tools like SiWave and Altium, we built and tested high frequency PCB configurations. Then we used spectrum and network analyzers to test the PCB boards.
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