Abstract: We have constructed a wireless monitoring test platform with a sub-nA resolution signal amplification/processing circuit (SAPC) and a wireless communication network to test the real-time remote monitoring of the signals from carbon nanotube (CNT) sensors. The operation characteristics of the CNT sensors can also be measured by the ISD-VSD curve with the SAPC. The SAPC signals are transmitted to a personal computer by Bluetooth communication and the signals from the computer are transmitted to smart phones by Wi-Fi communication, in such a way that the signals from the sensors can be remotely monitored through a web browser. Successful remote monitoring of signals from a CNT sensor was achieved with the wireless monitoring test platform for detection of 0.15% methanol vapor with 0.5 nA resolution and 7 Hz sampling rate.
Keywords: test platform; signal amplification and processing circuits; nanostructure sensors; carbon nanotube; remote monitoring
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Jang, C.W.; Byun, Y.T.; Lee, T.; Woo, D.H.; Lee, S.; Jhon, Y.M. A Wireless Monitoring Sub-nA Resolution Test Platform for Nanostructure Sensors. Sensors 2013, 13, 7827-7837.
Jang CW, Byun YT, Lee T, Woo DH, Lee S, Jhon YM. A Wireless Monitoring Sub-nA Resolution Test Platform for Nanostructure Sensors. Sensors. 2013; 13(6):7827-7837.
Jang, Chi W.; Byun, Young T.; Lee, Taikjin; Woo, Deok H.; Lee, Seok; Jhon, Young M. 2013. "A Wireless Monitoring Sub-nA Resolution Test Platform for Nanostructure Sensors." Sensors 13, no. 6: 7827-7837.