Characterization of ferrite surface mount bead using S-parameters

Abstract

In this paper, characterization of ferrite surface mount bead based on S-parameters measurement, using vector network analyzer E5071B and specially developed PCB test fixture, are presented. The validation of characterization method was performed using commercially available ferrite component, the surface mount 4-way bead. It is shown that proposed approach is efficient in predicting and analyzing the ferrite bead performance, not only in standard frequency range bellow 100 MHz, but also in high frequency range up to 1GHz.