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. Author manuscript; available in PMC: 2010 May 14.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2009 Nov 20;18(1):67–74. doi: 10.1109/TNSRE.2009.2036849

Fig. 1.

Fig. 1

(a) Functional block diagram of the wearable controller. Abbreviations: A/D and D/A—analog-to-digital and digital-to-analog converters, MUX—multiplexer, Rx—reception of data, Tx—transmission of data, V-to-I—voltage-to-current. (b) Temporal sequence of the generated current stimulus waveform and blanking waveform relative to the recorded stimulus voltage waveform and evoked potential response.