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Spike-free biphase switched-capacitor integrator pair with low sensitivity to nonideal op-amp effects

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3 Author(s)
Betts, A.K. ; Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK ; Taylor, J.T. ; Haigh, D.G.

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.<>

Published in:

Electronics Letters  (Volume:24 ,  Issue: 4 )