A novel square root domain lossless integrator and its application to KHN biquad filter design
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Date
2009
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Abstract
In this paper a novel square root domain lossless integrator and its application to KHN (Kerwin-HuelsmanNewcomb) biquad are proposed. The presented lossless integrator based on quadratic characteristics of MOS transistor was designed by using state space method. It consists of a geometric mean circuit a current mirror and a capacitor. The scaling factor of the integrator is electronically tuneable by an external bias current. The KHN biquad consists of two lossless integrator blocks and a summer circuit. The summer circuit is developed by using linear transconductors. KHN biquad filter was simulated by using SPICE simulation program simulation results are good in agreement with the theoretical analysis. © 2010 Elsevier B.V. All rights reserved.
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Keywords
Biquad Filter, Current Mirrors, Geometric Mean, Linear Transconductors, Lossless, Mos Transistors, Scaling Factors, Simulation Result, Spice Simulations, Square Root Domain, Electronics Engineering, Transistor Transistor Logic Circuits, Spice, Biquad filter, Current mirrors, Geometric mean, Linear transconductors, Lossless, MOS transistors, Scaling factors, Simulation result, SPICE simulations, Square root domain, Electronics engineering, Transistor transistor logic circuits, SPICE
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6th International Conference on Electrical and Electronics Engineering ELECO 2009
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Start Page
II227
End Page
II231
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