Frequency Modulation based Resistive Sensing for Wearable Galvanic Skin Response
Md Shamsul Arefin, Jean‐Michel Redouté, Mehmet Rasit Yuce · 2015
This paper presents a frequency modulation based readout circuit for the measurement of skin conductance or resistance. A charge pump based frequency-to-voltage converter circuit with adjustable sensitivity is used to convert the frequency shifts due to skin resistance changes into voltage variation