Oct 15, 2004 #1 L lean Junior Member level 1 Joined Oct 14, 2004 Messages 15 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 139 biopotencial I am working with a differencial biopotencial amplifier based on two coupled buffers and a common instrumentation amplifier. Why must be ac-coupled the bipotential amplifiers?? Thanks
biopotencial I am working with a differencial biopotencial amplifier based on two coupled buffers and a common instrumentation amplifier. Why must be ac-coupled the bipotential amplifiers?? Thanks
Oct 15, 2004 #2 Regnum Full Member level 5 Joined Jun 17, 2004 Messages 262 Helped 18 Reputation 36 Reaction score 7 Trophy points 1,298 Location Hurlingham Activity points 2,168 biopotencial Biopotentials are usually mounted on some DC voltage, depending on the kind of electrodes and electrolyte that you're using. You may use DC coupling with lower gain ampliflying at the 1st stage, so remove the DC voltage at the 2nd one.
biopotencial Biopotentials are usually mounted on some DC voltage, depending on the kind of electrodes and electrolyte that you're using. You may use DC coupling with lower gain ampliflying at the 1st stage, so remove the DC voltage at the 2nd one.