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The right leg drive ECG amplifier (INA114)

2015-01-03 00:56  
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The right leg drive ECG amplifier (INA114)
The right leg drive ECG amplifier (INA114) circuit as shown: As shown in the right leg drive ECG amplifier. Human bioelectricity as the weak current signal, in the right leg drive ECG ECG amplifier using shielding wire transfer human weak current signal, the 1/2 opa2604 voltage follower, as the anti-interference measures shielded wire drive; Another 1/2 opa2604 to form the inverting amplifier gain for 39, drive to the right leg. Through both signal shield cable transmission input INA114, after INA114 amplifier output, G = 10.