Filtering - ADInstruments Bio Amp Owner's Manual

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Gain accuracy:
Non-linearity:
Noise at various bandwidths:
• 1 Hz to 5 kHz:
• 0.3 Hz to 1 kHz:
• 0.1 Hz to 100 Hz:
IMRR (isolation mode):
CMRR (common mode):
Input leakage current:
DC blocking:
Baseline restoration:

Filtering

Low-pass filtering:
High-pass filtering:
Notch filter:
± 5 mV
± 2 mV
± 1 mV
± 500 μV
± 200 μV
± 100 μV
± 50 μV
± 20 μV
± 10 μV
± 5 μV
± 1.5% all ranges
< 0.1% within range
< 1.3 μV (< 8 μV p-p)
rms
< 0.6 μV
rms
< 0.35 μV (@ 200 samples/second)
rms
> 135 dB (to true earth, 50–100 Hz)
> 85 dB typical (1–60 Hz)
< 3 μA @ 240V, 50 Hz
rms
< 2 μA @ 120V, 60 Hz
rms
± 1 V
Automatic or manual
Fourth-order Bessel filter, ± 3% accuracy.
Frequencies software-selectable. Standard: 50,
100, 200, 500, 1000, 2000, & 5000 Hz (@ –3
dB);
EEG mode: 3, 10, 30, 60, & 120 Hz
First-order filter, ± 0.25% accuracy.
Frequencies software-selectable.
Standard: 0.02, 0.1, 0.3, 1, 3, & 10 Hz (@ –3
dB);
EEG mode: 0.03, 0.1, 0.3 & 1 seconds
Second-order filter, –32 dB attenuation;
50 or 60 Hz frequency (automatic sensing)
Bio Amp Owner's Guide