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. 2017 Oct 18;8(10):311. doi: 10.3390/mi8100311

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Experimental setup for the characterization of the piezoelectric cantilever arrays: (a) Wire bonded cantilever array on the printed circuit board (PCB); (b) 3D printed sample holder with a calibrated accelerometer mounted on a shaker; (c) the shaker was controlled by a function generator through a power amplifier. The output voltage signals of the cantilevers and the calibrated accelerometer were collected by a programmed data acquisition card (DAQ). The signals were in situ visualized by an oscilloscope during the automatized frequency sweeps. Current source was used to feed the accelerometer.

Experimental setup for the characterization of the piezoelectric cantilever arrays: (a) Wire bonded cantilever array on the printed circuit board (PCB); (b) 3D printed sample holder with a calibrated accelerometer mounted on a shaker; (c) the shaker was controlled by a function generator through a power amplifier. The output voltage signals of the cantilevers and the calibrated accelerometer were collected by a programmed data acquisition card (DAQ). The signals were in situ visualized by an oscilloscope during the automatized frequency sweeps. Current source was used to feed the accelerometer.