u can use this circuit diagram.. i get nearly original ecg signal. **broken link removed**
figure shows my ecg signal..
also i share circuit diagram that i used..
(the last part of circuit is T twin 50hz noise filter)
I designed notch filter using LM358, but it not quite right. Did you analyze di freq response? Did it really worked? Would you please share the prospice output?
Hi,
I am triying to built similar ECG circuit. But i stuck at iisolation side. Can you please help with that. Can you advise an example referance design of an ECG circuit for me.