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- Jacek Piskorowski, Miguel Ángel Gutiérrez de Anda
- IEEE Transactions on Circuits and Systems I…
- 2009

In some applications, it is required to have continuous-time low-pass analog filtering systems which simultaneously possess a constant group delay in the passband and a narrow transition band. Usually, these systems are implemented by adding to the output of a filter with steep-amplitude selectivity (an elliptic filter, for instance) an all-pass filter… (More)

- Miguel Ángel Gutiérrez de Anda, Arturo Sarmiento-Reyes, Luis Hernández-Martínez, Jacek Piskorowski, Roman Kaszynski
- IEEE Transactions on Circuits and Systems II…
- 2009

Linear time-varying (LTV) systems have found a niche of their own in the processing of continuous-time signals. In this brief, it is shown how the reduction of the duration of the transient response of a class of continuous-time LTV filters may be seen as the combined effect of the increased dampening of its amplitude response and the increase of the… (More)

- Arturo Sarmiento-Reyes, Luis Hernández-Martínez, Miguel Ángel Gutiérrez de Anda, Francisco Javier Castro Gonzalez
- 2009 European Conference on Circuit Theory and…
- 2009

Hybrid systems built up with CMOS devices and Single-Electron Transistors (SET), have been foreseen as a potential alternative in the long term when CMOS downscaling reaches its physical fundamental limits. Although there are still many problems in the fabrication of these nanoelectronic devices, the design flow for hybrid systems requires further… (More)

- Miguel Ángel Gutiérrez de Anda, Arturo Sarmiento-Reyes
- IEEE Transactions on Circuits and Systems II…
- 2006

Time-varying eigenvalues may be used to formulate a set of linearly independent solutions for an arbitrary dynamical linear time-varying system. In this brief, it is shown how these quantities are used to determine analytically the perturbation projection vector (PPV) associated to a given oscillator. The PPV can be further used to estimate the spectral and… (More)

- Jacek Piskorowski, Miguel Ángel Gutiérrez de Anda
- Proceedings of 2010 IEEE International Symposium…
- 2010

In many applications, it is required to have continuous-time narrow (single-frequency) bandpass filters which simultaneously possess a very selective magnitude response (high quality factor Q) and a transient response of short duration. However, increasing the quality factor also increases the duration of the transient response exhibited by the filter at is… (More)

- Miguel Ángel Gutiérrez de Anda
- I. J. Bifurcation and Chaos
- 2012

The concept of the dynamic eigenvalues may be used, in principle, to formulate in a general way analytic solutions of continuous-time linear time-varying dynamical (LTV) systems. It has also been suggested that the mean value of these quantities may be used to calculate Lyapunov characteristic exponents for the aforementioned systems. In this article, it… (More)

- Víctor Manuel Jimenez-Fernandez, Luis Hernández-Martínez, Arturo Sarmiento-Reyes, Miguel Ángel Gutiérrez de Anda, Maria Teresa Sanz
- 2008 15th IEEE International Conference on…
- 2008

In this work is presented a methodology for obtaining all the operating points in piecewise-linear (PWL) electrical networks. The networks can include independent and controlled voltage or currents sources, resistors or conductances and PWL elements. The PWL elements are described by an iterative and decomposed one-dimensional PWL model. The model is… (More)

Graph Theory is used for the study of real-world Systems possessing a binary relation between elements of a certain set within the system description. Among other discipline (Circuit Theory) has received outstanding contributions from the study of graphs. Some of the contributions may be found in the solution to specific problems related to electrical… (More)

In order to get a better understanding on the concepts of dynamic eigenvalues and dynamic eigenvectors as presented in [1], the steadystate behaviour of the state variables of the filter with syllabic companding described in [2] is determined. For that purpose, the approach presented in [3] is used. Some comments are made regarding the general form of the… (More)

- Miguel Ángel Gutiérrez de Anda, Isabelo Meza Dector
- IEEE Transactions on Circuits and Systems I…
- 2011

In recent years, a new class of filters known as parameter-varying filters has been proposed. These filters are characterized by having a transient response of reduced duration while preserving their frequency response properties. The reduction of the transient response of these filters is a consequence of the automatic adjustment of their parameters. These… (More)