Table 1

Active electrode specifications
Parameter
 semi-AC-mode
 AC-mode
Bandwidth (-3 dB)

 0.32–1000 Hz

 0.16–1000 Hz
DC gain

 3.22

 ≈ 0
AC mid band gain

 74 dB
Differential mode AC input range

 0.005–1 mVp-p
Differential mode DC input range

 ± 370 mV
Common mode input range

 ± 2 V
Input noise current

 1 pArms @ 0.1–200 Hz
Input bias current

 1.5 pA
Input impedance, Active Electrode

 320 MΩ @ 50 Hz (1000 GΩ //10 pF)
CMRR

 96 dB @ 50 Hz
Output offset

 0.7 mV
Input noise voltage

 2 μVp-p (0.33 μVrms) @ 0.1–200 Hz
Power consumption

 11 mW @ one channel

Valchinov and Pallikarakis BioMedical Engineering OnLine 2004 3:25   doi:10.1186/1475-925X-3-25