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Analysis of the frequency dependency to the single supply differential capacitive sensor

Che Mustapha, Nurul Arfah and Alam, A.H.M. Zahirul and Khan, Sheroz and Azman, Amelia Wong (2018) Analysis of the frequency dependency to the single supply differential capacitive sensor. In: 7th International Conference on Computer and Communication Engineering (ICCCE) 2018, 19th-20th September 2018, Kuala Lumpur.

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Abstract

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.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 7837/69967
Uncontrolled Keywords: differential capacitive sensing, Capacitance-toVoltage (CVC), frequency dependency analysis
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2896 Production of electricity by direct energy conversion
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK452 Electric apparatus and materials. Electric circuits. Electric networks
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Dr Nurul Arfah Che Mustapha
Date Deposited: 20 Feb 2019 10:12
Last Modified: 20 Feb 2019 10:12
URI: http://irep.iium.edu.my/id/eprint/69967

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