Key result
A low-cost multichannel preamplifier for physiological signals was developed, featuring high dc suppression, excellent noise performance, and digitally controlled rolloff frequency.
Design
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Authors
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May enable affordable multichannel ECG recording in varied settings; leaves open clinical validation before adoption.
Describes a low-cost, high-performance multichannel preamplifier design suitable for physiological signal acquisition such as ECG.
Smit et al. (1987) studied this question. Low-cost multichannel preamplifier was evaluated. A low-cost multichannel preamplifier for physiological signals was developed, featuring high dc suppression, excellent noise performance, and digitally controlled rolloff frequency.
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