CHARGE-TRANSFER-BASED SIGNAL INTERFACE FOR RESISTIVE SENSORS |
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| Jorge E. Gaitán-Pitre, Ramon Pallas-Areny |
- Abstract:
- Charge transfer has been demonstrated to be a cost-effective method to measure capacitive sensors with low-end microcontrollers. Here we apply charge transfer to measure the output of voltage dividers that include a high-value resistive sensor hence extending the advantages of this method to a large group of sensors. By using two-point calibration, the maximal deviation obtained, referred to the Full Scale Span (FSS), is ±4 % for sensors between 100 kΩ and 1 MΩ, and ±5 % for sensors between 1 M? and 10 MΩ.
- Keywords:
- resistive sensor, charge transfer method, sensor-to-microcontroller interface, direct sensor interface
- Download:
- IMEKO-WC-2015-TC4-136.pdf
- DOI:
- -
- Event details
- Event name:
- XXI IMEKO World Congress
- Title:
Measurement in Research and Industry
- Place:
- Prague, CZECH REPUBLIC
- Time:
- 30 August 2015 - 04 September 2015