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Parallel analog circuits for real time signal processing: Design and analysis

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2 Author(s)
White, J.L. ; Integrated Circuits & Syst. Lab., California Univ., Los Angeles, CA, USA ; Abidi, A.A.

A network using resistors and active devices that implements a two-dimensional convolution whose shape is similar to a Gaussian is described. The network consists of resistive connections between each node and its nearest and second-nearest neighbors. When integrated on a CMOS chip with photoreception elements, the network forms a monolithic image reception and smoothing system with real-time response. The filter's width, which depends on the ratio of certain resistors, is continuously variable. Networks for other filter shapes are proposed

Published in:

Circuits and Systems, 1989., IEEE International Symposium on

Date of Conference:

8-11 May 1989