Spike-free switched-capacitor circuits

9 April 1987

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 23 (8) , 428-429
https://doi.org/10.1049/el:19870310

Abstract

A novel circuit technique is presented to prevent op-amps in switched-capacitor circuits from generating ‘spikes’ in the nonoverlapping period of clock phases. This technique is universal in that it is applicable to offset-compensated, parasiticand gain-insensitive amplifiers, integrators and sample/hold circuits. Experimental waveforms are also given to demonstrate its validity.

Keywords

CIRCUIT TECHNIQUE
SWITCHED-CAPACITOR CIRCUITS
PARASITIC AMPLIFIERS
SAMPLE/HOLD CIRCUITS
OFFSET-COMPENSATED AMPLIFIERS
NONOVERLAPPING PERIOD
INTEGRATORS
OP-AMPS
GRAIN-INSENSITIVE AMPLIFIERS
CLOCK PHASES

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