Title :
Spike-free biphase switched-capacitor integrator pair with low sensitivity to nonideal op-amp effects
Author :
Betts, A.K. ; Taylor, J.T. ; Haigh, D.G.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK
Abstract :
A switched-capacitor integrator pair capable of forming a two integrator loop using a biphase clocking scheme and having low sensitivity to nonideal op-amp (OA) effects is presented. The OAs have continuous-time feedback paths, so avoiding voltage spikes caused by slewing. Expressions for response error and the results of a ladder filter simulation are given.<>
Keywords :
active networks; integrating circuits; switched capacitor networks; biphase clocking scheme; continuous-time feedback paths; integrator loop; ladder filter simulation; nonideal op-amp; response error; slewing; switched-capacitor integrator pair; voltage spikes; Active circuits; Integrators; Switched capacitor circuits;
Journal_Title :
Electronics Letters
