General information
12
Features of the 1902, all selected by program control, are:
• Differential or single-ended transducer waveform inputs
(non-isolated, not for human subjects)
• Optional isolated EEG electrode input
• Optional input clamping with EEG input
• Optional isolated ECG 5-lead input selection
• Gains from ×100 to ×100,000 in steps of ×1, ×3, ×10…
• Optional gains from ×1,000 to ×1,000,000 in steps of
×1, ×3, ×10… (build option)
• AC/DC coupling switch
• 12-bit DC voltage offset
• Selectable mains-frequency notch filter, 50 Hz or 60 Hz
• Overload indicators, readable by computer
• Trigger input: converts from high-level pulses or switch-
closures to TTL, with program-selectable choice of 2 inputs
(non-isolated)
• Digital filter with a wide range of user-selectable settings
• Optional precision unity-gain buffer for use in multi-
electrode configurations
Features seen
by the user
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