An Improved Micropower Pre-amplifier for Dry-electrode ECG Recording

This paper describes the development of a very low-power pre-amplifier intended for use in pasteless-electrode recording of the human electrocardiogram. The expected input signal range is 100μV 10mV from a lead II electrode configuration. The amplifier provides a gain of 42dB in a 3dB bandwidth of 0.05Hz 2kHz with an input impedance of 280MΩ and a CMRR of… (More)