A CCII-Based Low-Voltage Low-Power Read-Out Circuit for DC-Excited Resistive Gas Sensors

@article{Ferri2009ACL,
  title={A CCII-Based Low-Voltage Low-Power Read-Out Circuit for DC-Excited Resistive Gas Sensors},
  author={Giuseppe Ferri and Andrea De Marcellis and C. Di Carlo and Vincenzo Stornelli and Alessandra Flammini and Alessandro Depari and Daniele Marioli and Emiliano Sisinni},
  journal={IEEE Sensors Journal},
  year={2009},
  volume={9},
  pages={2035-2041}
}
In this paper, we propose a low-voltage (LV) low-power (LP) oscillating circuit suitable for the read-out of DC-excited resistive gas sensors, based on Second Generation Current Conveyors (CCIIs). This low-cost fully integrable front-end is able to evaluate the resistive behavior of gas sensors, without any preliminary calibration, operating a Resistance to Time ( R-T) conversion and exciting the sensor with a DC voltage. Through the use of CCIIs, all the Current-Mode (CM) benefits in LV LP… CONTINUE READING
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