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A CMOS general-purpose sampled-data analog processing element

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2 Author(s)
P. Dudek ; Dept. of Electr. Eng. & Electron., Univ. of Manchester Inst. of Sci. & Technol., UK ; P. J. Hicks

This work presents the architecture and implementation of an analog processor, which in a way akin to a digital microprocessor, embodies a physical model of the universal Turing machine. The analog microprocessor (AμP) executes software programs, while nevertheless operating on analog sampled data values. This enables the design of mixed-mode systems which retain the speed/area/power advantages of the analog signal processing paradigm, while being fully programmable general-purpose systems. A proof-of-concept integrated circuit has been implemented in 0.8-μm CMOS technology, using switched-current techniques. Experimental results from fabricated chips are presented and examples of the application of the AμP's in image processing are given

Published in:

IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing  (Volume:47 ,  Issue: 5 )