A low-voltage square-root domain n-th order multifunction FLF filter topology

Authors:
E. Stoumpou;F. A. Khanday;C. Psychalinos;N. A. Shah
Affiliations:
Electronics Laboratory, Physics Department, University of Patras, Rio Patras, Greece 26504;Department of Electronics and Instrumentation Technology, The University of Kashmir, Srinagar, India 190 006;Electronics Laboratory, Physics Department, University of Patras, Rio Patras, Greece 26504;Department of Electronics and Instrumentation Technology, The University of Kashmir, Srinagar, India 190 006
Venue:
Analog Integrated Circuits and Signal Processing
Year:
2009

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Abstract

A novel n-th order Follow the Leader Feedback (FLF) multifunction low-voltage filter topology, realized by employing the concept of Square-Root Domain (SRD) filtering, is introduced in this manuscript. The realization of the SRD filter topology is achieved by utilizing the corresponding FLF conventional topology and performing a transposition into SRD, through an appropriate set of complementary operators. As a design example, a 5th-order SRD FLF filter has been designed and its performance has been evaluated through simulation results, where the most important performance factors have been considered.