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Ultra Low-Power Analog Median Filters | |
ALEJANDRO DIAZ SANCHEZ Javier Lemus López JOSE MIGUEL ROCHA PEREZ | |
Acceso Abierto | |
Atribución-NoComercial-SinDerivadas | |
Nonlinear filters Median filters Weak-inversion region Analog circuits MOS transistors | |
The design and implementation of three analog median filter topologies, whose transistors operate in the deep weak-inversion region, is described. The first topology is a differential pairs array, in which drain currents are driven into two nodes in a differential fashion, while the second topology is based on a wide range OTA, which is used to maximize the dynamic range. Finally, the third topology uses three range-extended OTAs. The proposed weak-inversion filters were designed and fabricated in ON Semiconductor 0.5 µm technology through MOSIS. Experimental results of three-input fabricated prototypes for all three topologies are shown, with power consumptions of 90 nW in the first case, and 270 nW in the other two cases. A dual power supply ±1.5 Volts was used. | |
RADIOENGINEERING | |
2013-09 | |
Artículo | |
Inglés | |
Estudiantes Investigadores Público en general | |
Díaz-Sánchez, Alejandro., et al., (2013), Ultra Low-Power Analog Median Filters, RADIOENGINEERING, Vol. 22(3): 916–920 | |
ELECTRÓNICA | |
Versión aceptada | |
acceptedVersion - Versión aceptada | |
Appears in Collections: | Artículos de Electrónica |
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