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Novel approach to reduce number of op-amps in switched-capacitor filters

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1 Author(s)
Zhou, J.Z. ; Sch. of Electr. Eng., Bath Univ., UK

A second-order Z-domain admittance is introduced to reduce the number of op-amps in switched-capacitor filters, which also reduces the total capacitance and the number of switches. Experimental results are in agreement with theory.

Published in:

Electronics Letters  (Volume:25 ,  Issue: 18 )