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In this paper we present an analysis of the voltage amplifier needed for double differential (DD) sEMG measurements and a novel, very simple circuit for implementing DD active electrodes. The three-input amplifier that standalone DD active electrodes require is inherently different from a differential amplifier, and general knowledge about its design is scarce in the literature. First, the figures...
Recording neural information using implanted cuff electrodes in a tripolar arrangement is affected by myoelectric interference present at the implantation site. The performance of the recently proposed mQT was suboptimal in that tuning was required to compensate for such interference. In this work we present an improvement where interference in the mQT is removed by modeling the impedance profile...
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