Bio Amp
Owner’s Guide
40
Non-linearity:
< 0.1% within range
Noise at various bandwidths:
• 1 Hz to 5 kHz:
< 1.3 μV
rms
(< 8 μV p-p)
• 0.3 Hz to 1 kHz:
< 0.6 μV
rms
• 0.1 Hz to 100 Hz:
< 0.35 μV
rms
(@ 200 samples/second)
IMRR (isolation mode):
> 130 dB (to true earth, 50–100 Hz)
CMRR (common mode):
> 85 dB typical (1–60 Hz)
Input leakage current:
< 3 μA
rms
@ 240V, 50 Hz
< 2 μA
rms
@ 120V, 60 Hz
DC blocking:
± 1 V
Baseline restoration:
Automatic
Filtering
Low-pass filtering:
Fourth-order Bessel filter, ± 3% accuracy.
Frequencies software-selectable. Standard: 50,
100, 200, 500, 1000, & 5000 Hz (@ –3 dB);
EEG mode: 3, 10, 30, 60, & 120 Hz
High-pass filtering:
First-order filter, ± 0.25% accuracy.
Frequencies software-selectable.
Standard: 0.1, 0.3, 1, 3, & 10 Hz (@ –3 dB);
EEG mode: 0.03, 0.1, 0.3 & 1 seconds
Notch filter:
Second-order filter, –32 dB attenuation;
50 or 60 Hz frequency (automatic sensing)
Output
Signal:
± 2.0 V standard
Audio:
Stereo jack with mono output; ± 200 mV full
scale, current limited to ± 5 mA. Suitable for
headphones or powered speakers.
Control Port
I
2
C port:
Provides control and power. Interface
communications rate of ~50 kbits/s.
Physical Configuration
Dimensions (h
×
w
×
d):
50 mm
×
76 mm
×
260 mm
(1.97"
×
3.0"
×
10.2")
Summary of Contents for Bio Amp
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