A high sensitivity conditioning circuit for capacitive sensors including stray effects compensation and dummy sensors approach

Conference Record - IEEE Instrumentation and Measurement Technology Conference

Volumn 2, Issue , 2004, Pages 1542-1545

  Baglio, S ^a   Castorina, S ^a   Ganci, G ^a   Savalli, N ^a  

^a UNIVERSITY OF CATANIA   (Italy)

Author keywords

Capacitive sensing; Conditioning circuit; Materials characterization

Indexed keywords

CAPACITIVE SENSING; CONDITIONING CIRCUITS; ELECTRICAL CAPACITIVE TOMOGRAPHY; MATERIALS CHARACTERIZATION;

CAPACITANCE; DIELECTRIC PROPERTIES; ELECTRIC IMPEDANCE; MAGNETIC FIELD EFFECTS; OPERATIONAL AMPLIFIERS; SENSORS;

SIGNAL PROCESSING;

EID: 4644247939     PISSN: 10915281     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/IMTC.2004.1351359     Document Type: Conference Paper

References (4)

1. L.K. Baxter, Capacitive Sensors: Design and Applications, IEEE Press series on Electronics and Technology, Ed. R.J. Herrick;
2. W.Q. Yang, T.A. York, "New AC-based capacitance tomography system", IEEE Proc.-Sci. Meas. Technol., vol. 146, no. 1, Jan. 1999, pp. 47-53.
3. Soundararajan, K.; Ramakrishna, K., "Nonideal negative resistors and capacitors using an operational amplifier", IEEE Trans. Circ. and Syst., Vol.22, Iss.9, Sep 1975, Pages: 760-763
4. A. Belousov, "Negative impedance improves capacitive sensors", EDN magazine, March 30, 1995.