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There is a growing demand for low-noise, small-size and programmable biopotential acquisition systems. A crucial circuit block is the high-gain amplifier which also constitutes the interface to the patient. We propose a low-power and low-noise front-end with configurable gain for recording of signals such as the electroneurogram (ENG) or electromyogram (EMG). The proposed circuit consists of an input...
Multi-electrode cuffs (MECs) have been proposed as a means for the parallel recording of naturally-occurring neural signals. Compared to a conventional tripole cuff providing a single channel signal, additional information about the velocity and direction of nerve signals can be extracted from the multi-electrode recordings. Moreover, interference suppression is improved as the presented analysis...
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