Analog Electronic Systems for Biomedical Sensor Applications: a Review on Current Mode Approach

In this review work, a study of the scope and importance of electronic systems for biomedical sensor applications is presented. Starting from a quick overview of sensors and basic electronic read-out circuits, the paper presents some interfaces, based on active blocks. Recalling the importance, in the biomedical field, of the devices autonomy, a brief examination on the concept of energy harvesting is also done. Finally, some case studies are described, the most proposed by the authors and related to the development of analog electronic systems employing current-mode blocks (CCII and VCII).