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The electrocardiogram amplifier ECG circuit

2017-01-16 22:26  
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The electrocardiogram amplifier ECG circuit
The electrocardiogram amplifier ECG circuit is shown in the figure, apart from the transformer coupling separation amplifier3656, it is also fixed with a precise computer OPA177 (the offset volatge is ≤10μV, and the drifting is 0.1μV/℃, the open loop gain is higher than 130dB, the dynamic typical current is 1.5mA), its aim is to use to high impedance input difference instrument amplifier composed of the input stage op-amp AI in OPA177 in 3656. CAD is a common disease, as the living rhythm is fastening, the living standard and health consciousness are strengthened.