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Mostrando ítems 31-40 de 48
Artículo
Simple evaluation of the nonlinearity signature of an ADC using a spectral approach
(2008)
This work presents a new method to estimate the nonlinearity characteristics of analog-to-digital converters (ADCs). The method is based on a nonnecessarily polynomial continuous and differentiable mathematical model of ...
Ponencia
Herramienta para el aprendizaje de un sistema de adquisición de datos
(2010)
Se presenta un paquete de software didáctico que facilita el proceso de enseñanza/aprendizaje de la electrónica, orientado a un sistema de adquisición de datos elemental. Consta de una breve sección expositiva, en la que ...
Artículo
Effects of buffer insertion on the average/peak power ratio in CMOS VLSI digital circuits
(Society of Photo-optical Instrumentation Engineers, 2007)
The buffer insertion has been a mechanism widely used to increase the performances of advanced VLSI digital circuits and systems. The driver or repeater used to this purpose has effect on the timing characteristics on the ...
Ponencia
Redes MOBILE MOS-NDR operando con reloj de una fase
(2010)
La existencia de dispositivos con una característica I-V que exhibe una resistencia diferencial negativa (Negative Differential Resistance, NDR) resulta atractiva desde el punto de vista del diseño de circuitos, como ...
Ponencia
Síntesis de sistemas de control difusos mediante herramientas de diseño de DSP sobre FPGAs
(2008)
En esta comunicación se describe una nueva técnica de implementación de sistemas difusos, basada en el uso de una librería de módulos específicos, cuyo flujo de diseño combina las herramientas de modelado y simulación ...
Artículo
A microscopy technique based on bio-impedance sensors
(Elsevier, 2012)
It is proposed a microscopy for cell culture applications based on impedance sensors. The imagined signals are measured with the Electrical Cell-Substrate Spectroscopy (ECIS) technique, by identifying the cell area. The ...
Ponencia
A 2.5MHz bandpass active complex filter With 2.4MHz bandwidth for wireless communications
(2008)
This paper presents a fully differential 8thorder transconductor-based active complex filter with 2.4MHz bandwidth and centered at 2.5MHz, designed in a 90nm 2.5V 7M and MIM capacitors CMOS process technology. The ...
Artículo
FLIP-Q: A QCIF resolution focal-plane array for low-power image processing
(Institute of Electrical and Electronics Engineers, 2011)
This paper reports a 176×144-pixel smart image sensor designed and fabricated in a 0.35 CMOS-OPTO process. The chip implements a massively parallel focal-plane processing array which can output different simplified ...
Artículo
Mixed-mode impedance and reflection coefficient of two-port devices
(EMW Publishing, 2012)
From the point of view of mixed-mode scattering parameters, Smm, a two-port device can be excited using different driving conditions. Each condition leads to a particular set of input reflection and input impedance coefficient ...
Artículo
On-chip characterization of RF systems based on envelope response analysis
(Institution of Engineering and Technology, 2010)
A simple on-chip procedure for testing embedded RF blocks is presented. It is based on the detection and spectral analysis of the two-tone response envelope of the device under test (DUT). A main difference with similar ...