Ponencia
Low frequency, current mode programmable KHN filters using large-valued active resistors
Autor/es | Muñiz Montero, Carlos
González Carvajal, Ramón Díaz Sánchez, Alejandro Rocha, Miguel |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Electrónica |
Fecha de publicación | 2007 |
Fecha de depósito | 2015-03-13 |
Publicado en |
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Resumen | 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 ... 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. |
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