Ponencia
System-level optimization of baseband filters for communication applications
Autor/es | Fernández Bootello, Juan Francisco
Delgado Restituto, Manuel Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2003 |
Fecha de depósito | 2020-01-28 |
Publicado en |
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ISBN/ISSN | 0277-786X |
Resumen | In this paper, a design approach for the high-level synthesis of programmable continuous-time baseband filters able to achieve optimum trade-off among dynamic range, distortion behavior, mismatch tolerance and power area ... In this paper, a design approach for the high-level synthesis of programmable continuous-time baseband filters able to achieve optimum trade-off among dynamic range, distortion behavior, mismatch tolerance and power area consumptions is presented. The proposed approach relies on building programming circuit elements as arrays of switchable unit cells and defines the synthesis as a constrained optimization problem with both continuous and discrete variables, this last representing the number of enabled cells of the arrays at each configuration. The cost function under optimization is, then, defined as a weighted combination of performance indices which are estimated from macromodels of the circuit elements. The methodology has been implemented in MATLAB™ and C++, and covers all the classical approximation techniques for filters, most common circuit topologies (namely, ladder simulation and cascaded biquad realizations) and both transconductance-C (Gm-C) and active-RC implementation approaches. The proposed synthesis strategy is illustrated with a programmable equal-ripple ladder Gm-C filter for a multi-band power-line communication modem. |
Identificador del proyecto | FIT-070000-2001-843 |
Cita | Fernández Bootello, J.F., Delgado Restituto, M. y Rodríguez Vázquez, Á.B. (2003). System-level optimization of baseband filters for communication applications. En VLSI Circuits and Systems (245-256), Maspalomas, España: The International Society for Optical Engineering - SPIE. |
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