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Plethysmograph based on the TS507

Plethysmograph based on the TS507

This application note provides a method to make an analog front-end plethysmograph (from the ancient greek plethysmos, which means increase), which is an instrument for measuring changes in volume within an organ or whole body, usually resulting from fluctuations in the amount of blood or air it contains. In this context, we refer in particular to the fluctuations in the quantity of blood in blood vessels.

This application note describes a demonstration board which is designed for demonstration purposes only, and shall not be used as a medical instrument, nor for domestic installation. The technical data included in this document shall be taken as a guideline.