Conference Paper

GIC based third-order active low-pass filters

University of Zagreb, Zagrabia, Grad Zagreb, Croatia
DOI: 10.1109/ISPA.2001.938678 Conference: Image and Signal Processing and Analysis, 2001. ISPA 2001. Proceedings of the 2nd International Symposium on
Source: IEEE Xplore


Third-order low-pass filters are analyzed. Two different
configurations of general impedance converter (GIC) based filters are
compared to two Sallen and Key (SAK) based structures. For GIC-based
third-order filters, realization procedures are given. The transfer
functions and the component values for the third-order filters with
Butterworth response are presented. Sensitivity analysis is done, and
the results of Monte Carlo runs, as well as Schoeffler sensitivities are
shown. The best results are obtained with the GIC-based filter which
uses four capacitances for the realization

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