Analysis of the frequency dependency to the single supply differential capacitive sensor
This paper presents a single supply differential capacitive sensing technique. Focus is on the analysis of the excitation frequency dependency to the circuit network. First, the theory and derivation of the differential capacitive sensor under test is presented and elaborated. Then, simulation...
| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Language: | English English |
| Published: |
IEEE
2018
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/69967/ http://irep.iium.edu.my/69967/ http://irep.iium.edu.my/69967/ http://irep.iium.edu.my/69967/13/69967%20Analysis%20of%20the%20Frequency%20Dependency.pdf http://irep.iium.edu.my/69967/2/69967_Analysis%20of%20the%20Frequency%20Dependency%20to%20the%20Single%20Supply_scopus.pdf |
| Summary: | This paper presents a single supply differential
capacitive sensing technique. Focus is on the analysis of the
excitation frequency dependency to the circuit network. First,
the theory and derivation of the differential capacitive sensor
under test is presented and elaborated. Then, simulation
results are shown for comparison. Test was carried out using
frequency from 40 kHz up to 400 kHz. Results have shown
good linearity of R-squared value 0.99957 at 200 kHz. This
capacitive sensor is also suitable to be used for energy
harvesting application. |
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