Adamczyk is the author of the textbook “Foundations of Electromagnetic Compatibility with Practical Applications” (Wiley, 2017). He is an iNARTE certified EMC Master Design Engineer. Bogdan Adamczyk is professor and director of the EMC Center at Grand Valley State University () where he develops EMC educational material and teaches EMC certificate courses for industry. Bogdan Adamczyk, Foundations of Electromagnetic Compatibility with Practical Applications, Wiley, 2017.ĭr.

Paul, Introduction to Electromagnetic Compatibility, Wiley, 2006. The measured results clearly show that, over the entire frequency range, the LC filter (inductor on the low impedance side and capacitor on the high impedance side) has a higher insertion loss than the CL filter (capacitor on the low impedance side and inductor on the high impedance side). These resonances were not predicted by the simulation models, as those models assumed ideal components and did not account for the board parasitics. A second resonance occurs at 60 MHz with the insertion loss of 83 dB for the CL filter and 95.5 dB for the LC filter. The measured results show the self-resonant frequency at 30 MHz, with the insertion loss of 84.9 dB for the CL filter and 115 dB for the LC filter. Table 2: Simulated and measured insertion loss for LC filterĪt 10 MHz the difference between the simulated insertion losses of the two filters is 15.1 dB which is close to the measured difference of 16.7 dB. Table 1: Simulated and measured insertion loss for CL filter LC Filter In the frequency range 100kHz – 10 MHz the simulated and measured results are remarkably close, as summarized in Tables 1 and 2. Figure 12: Insertion loss (s 21 and s 34) measurements of the two configurations shown in Figure 8Ĭlearly, the LC filter outperforms the CL filter, which is consistent with the simulation results.

Clc pi filter design