Title :
Equal-valued-capacitor active-RC-network realisation of a 3rd-order lowpass Butterworth characteristic
Author_Institution :
University of Arizona, Department of Electrical Engineering, Tucson, USA
Abstract :
The letter describes an active RC network which realises a 3rd-order lowpass Butterworth characteristic. It requires one active element and has the practical advantage that all capacitors have the same value. A design chart is included.
Keywords :
active filters; capacitors; Butterworth characteristics; active resistance circuits; equal valued capacitor; low pass filter; transfer function;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19710185