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Low frequency, current mode programmable KHN filters using large-valued active resistors

 

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Opened Access Low frequency, current mode programmable KHN filters using large-valued active resistors
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Author: Muñiz Montero, Carlos
González Carvajal, Ramón
Díaz Sánchez, Alejandro
Rocha, Miguel
Department: Universidad de Sevilla. Departamento de Ingeniería Electrónica
Date: 2007
Published in: IEEE International Symposium on Circuits and Systems: Nueva Orleans, 27-30 de mayo, 2007, 3868-3871
Document type: Presentation
Abstract: The present work proposes a new current-mode, programmable Kerwin Huelsman Newcomb (KHN) filter suitable for very low frequency processing. The proposed implementation, developed with only six current mirrors and two large-valued, programmable active resistors, solves some of the more challenging problems of low frequency filtering. HSPICE simulation results using BSIM3.3 models for a 0.5-µm CMOS technology, are shown. Center frequencies in the range of 12.4 Hz - 33 Hz, total harmonic distortion less than 1 %, and static power consumption of 1.05 mW, were observed.
Size: 247.6Kb
Format: PDF

URI: http://hdl.handle.net/11441/23486

This work is under a Creative Commons License: 
Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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