Title :
Parasitic-insensitive realisation of switched-capacitor leapfrog ladder filters with reduced number of operational amplifiers
Author_Institution :
University College, Department of Electronic Engineering, Dublin, Ireland
Abstract :
A method for the implementation of SC leapfrog ladder filters is described which requires approximately half the number of op amps used in standard SC designs. The resulting filters utilise a Nyquist rate clock and are insensitive to stray capacitances.
Keywords :
active filters; ladder networks; network synthesis; switched capacitor filters; Nyquist rate clock; operational amplifiers; parasitic insensitive realisation; stray capacitance insensitivity; switched-capacitor leapfrog ladder filters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860744
