prateek_k_chd
Member level 5
neural signal amplifier
Hello all !
I have to amplify neural signals (signals emitted by nerves) .These have the parameters :
<40 Hz ; <200 uV ; Very very low current
I need them to be amplified to above .25 V ( for low noise at ADC)
From what i know of analog design, i understand that i need :
Low input bias current or high input impedance
low offset voltage
So,
1) Am i correct ? Is there any other parameter to be considered ?
2) Any suggestions for a device ? A CMOS op-amp ? Or an instrumentation amplifier ?
Hello all !
I have to amplify neural signals (signals emitted by nerves) .These have the parameters :
<40 Hz ; <200 uV ; Very very low current
I need them to be amplified to above .25 V ( for low noise at ADC)
From what i know of analog design, i understand that i need :
Low input bias current or high input impedance
low offset voltage
So,
1) Am i correct ? Is there any other parameter to be considered ?
2) Any suggestions for a device ? A CMOS op-amp ? Or an instrumentation amplifier ?