What is the minimum electrode capacitance

Reference no: EM13500157

Connections to the body for electrocardiography (ECG) and electroencephalography (EEG) are normally made with metal electrodes and conductive gels to ensure good electrical contact. An alternative is the capacitively coupled non contact electrode, which uses a conductor near but not contacting the skin, to form a capacitor. Clothing can serve as the capacitor's insulation, eliminating skin contact. A particular EEG instrument calls for capacitive electrodes with maximum reactance 10 M ? at a typical EEG beta wave frequency of 25 Hz. Whats the minimum electrode capacitance?

Reference no: EM13500157

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