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A microprocessor realization of non-recursive digital filters using delta-sigma sequences

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1 Author(s)
Lagoyannis, D. ; Greek Atomic Energy Commission, Nuclear Research Centre `Demokritos¿, Electronics Division, Athens, Greece

The use of delta-sigma modulation for the realization of nonrecursive digital filters is described. The proposed method exploits the simplicity of the delta-sigma modulator for analogue to digital conversion. This method permits the use of a microprocessor for the realization of the filters without using an external fast multiplier. Moreover the experimental results have shown that the use of an 8-bit microprocessor can give satisfactory results.

Published in:

Radio and Electronic Engineer  (Volume:53 ,  Issue: 1 )