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0.5 V Cardiac Sense Amplifier Realization Using Log-Domain Filtering
ISRN Biomedical Engineering
A novel configuration of a cardiac sense amplifier for pacemakers, realized using the concept of Log-Domain filtering, is introduced in this paper. The analog part of the amplifier operates under a single 0.5 V power supply voltage. Compared to the corresponding already published configuration, the proposed scheme offers the benefits of reduced operating voltage and dc power dissipation. The performance of the intermediate stages, as well as of the whole system, has been evaluated through thedoi:10.1155/2013/369850 fatcat:w3vvqmrocbfnbfpmczh7lecj5q