Resumo

DIAZ-SANCHEZ, Alejandro et al. Weak-inversion topologies of analog median filters. Superf. vacío [online]. 2009, vol.22, n.4, pp.6-9. ISSN 1665-3521.

Design and implementation of two analog median filter cells are described. The first topology is a differential pairs array, which drain currents are driven into two nodes in a differential fashion. The second topology is based on a wide range OTA, which is used as basic block to maximize the dynamic range. Fabrication parameters for a MOSIS process of 1.6 μm are used. Experimental results of two three-input fabricated prototypes are shown.

Palavras-chave : Non-linear Filters; Median Filters; Weak-Inversion.