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by neurotech1
749 days ago
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This is going back a few years, but we used on our systems, AD620 In-Amp (Instrumentation Op-Amp) front-end IC, and a PIC 16F series micro, some filtering in between, for 2 channels. Even today, I think one could get to 2 or 4 channels with wet saline solution, with a low BOM (Board-of-Materials) cost. I used to repair EEG systems, and work as an EEG tech. |
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