Optimisation of sensitivity and dynamic range of i.f.l.f. active filters |
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| Authors: | Schaumann R. Chalstrom R.E. Laker K.R. |
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| Affiliation: | University of Minnesota, Department of Electrical Engineering, Minneapolis, USA; |
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| Abstract: | It is pointed out that the multiple-feedback topology for highorder active filters recently introduced by Perry, here labelled inverse f.l.f. (i.f.l.f.) topology, has significantly better dynamicrange properties than the otherwise equivalent `follow-the-leader-feedback? (f.l.f.) structure. The procedure for optimising the signal-level capabilities and the sensitivity performance of i.f.l.f. circuits is presented. |
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