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. 2015 Sep 4;9:14. doi: 10.1186/s13036-015-0012-1

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© Xiong et al. 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 8 — Demonstration of the frequency dividing function of stimulation device. a 1 MHz input signal (f₀) at pin P_i, and recorded output signals at pins b P_O3 at 250 kHz (f₀/4) and c P_O4 at 125 kHz (f₀/8).