Journal
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING
Volume 79, Issue 1, Pages 171-175Publisher
SPRINGER
DOI: 10.1007/s10470-013-0252-2
Keywords
ECG; EEG; Bootstrap circuits; Current conveyor
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In this letter we propose a novel low voltage and low power single-CCII bootstrap circuit specifically designed to be implemented as input stage in ElectroCardioGraphy (ECG) or ElectroEncephaloGraphy (EEG) acquisition systems. The proposed circuit implements only a second generation current conveyor that has been designed to obtain, at X and Z nodes, reduced parasitic impedances, so improving CCII performance. Moreover, simulation results are also presented for a two electrodes ECG system. The circuit, designed in a standard 0.35 mu m CMOS technology, shows low voltage (1.5 V) low power (28 mu W) characteristics, so it is particularly suitable for portable applications.
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