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. Author manuscript; available in PMC: 2010 Apr 1.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2009 Apr;17(2):176ā€“182. doi: 10.1109/TNSRE.2008.2009307

Fig 1.

Fig 1

Block diagram of the FINE with integrated circuit and the connection to a separate controller. The stimulation current is generated at the implanted controller, passed through the shared contact, an active channel of MUX and returned to GND. For the single supply design, Vāˆ’ is eliminated and Vss is connected to GND, reducing the number of wires to control the thirty-two channel multiplexer to only 2.