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Sensors 2014, 14(7), 12816-12827; doi:10.3390/s140712816
Communication

A Novel Crosstalk Suppression Method of the 2-D Networked Resistive Sensor Array

1,* , 2,* , 1
 and 1
1 School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China 2 School of Automation, Nanjing Institute of Technology, Nanjing 211167, China
* Authors to whom correspondence should be addressed.
Received: 28 April 2014 / Revised: 24 June 2014 / Accepted: 14 July 2014 / Published: 18 July 2014
(This article belongs to the Section Physical Sensors)
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Abstract

The 2-D resistive sensor array in the row–column fashion suffered from the crosstalk problem for parasitic parallel paths. Firstly, we proposed an Improved Isolated Drive Feedback Circuit with Compensation (IIDFCC) based on the voltage feedback method to suppress the crosstalk. In this method, a compensated resistor was specially used to reduce the crosstalk caused by the column multiplexer resistors and the adjacent row elements. Then, a mathematical equivalent resistance expression of the element being tested (EBT) of this circuit was analytically derived and verified by the circuit simulations. The simulation results show that the measurement method can greatly reduce the influence on the EBT caused by parasitic parallel paths for the multiplexers’ channel resistor and the adjacent elements.
Keywords: 2-D resistive sensor array; measurement error; crosstalk suppression method; Improved Isolated Drive Feedback Circuit with Compensation (IIDFCC) 2-D resistive sensor array; measurement error; crosstalk suppression method; Improved Isolated Drive Feedback Circuit with Compensation (IIDFCC)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Wu, J.; Wang, L.; Li, J.; Song, A. A Novel Crosstalk Suppression Method of the 2-D Networked Resistive Sensor Array. Sensors 2014, 14, 12816-12827.

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