Title :
Novel approach to reduce number of op-amps in switched-capacitor filters
Author_Institution :
Sch. of Electr. Eng., Bath Univ., UK
Abstract :
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.
Keywords :
active filters; switched capacitor filters; op-amps; second-order Z-domain admittance; switched-capacitor filters; switches; total capacitance;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890844
