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A high voltage stimulator for small electrode electrocutaneous stimulation

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2 Author(s)
Poletto, C.J. ; Dept. of Biomed. Eng., Case Western Reserve Univ., Cleveland, OH, USA ; Van Doren, C.

A high voltage stimulator has been designed to allow transcutaneous stimulation of tactile fibers of the fingertip. The output stage is based upon an improved Howland current pump topology, modified to allow high load impedances and small currents. The current output accuracy is better than 15% for 1 to 10 mA for 30 μsec pulses. The rise time for square pulses is less than 2 μsec. Common mode latch-up power supply problems are discussed

Published in:

Engineering in Medicine and Biology Society, 1997. Proceedings of the 19th Annual International Conference of the IEEE  (Volume:6 )

Date of Conference:

30 Oct-2 Nov 1997