Title :
An ultra-low power pre-amplifier for pasteless electrocardiography
Author :
Burke, M.J. ; Gleeson, D.T.
Author_Institution :
Dept. of Electron. & Electr. Eng., Dublin Univ., Ireland
Abstract :
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 100 μV-10 mV from a lead II electrode configuration. The amplifier provides a gain of 43 dB in a 3 dB bandwidth of 0.05 Hz-2 kHz with an input impedance of 75 MΩ and a CMRR of greater than 80 dB. Its gain and phase characteristics meet the recommendations of the AHA, making it suitable for clinical monitoring. The amplifier has a power consumption of 30 μW operating from a 3.3 V battery and is intended for use in small, lightweight, portable electrocardiographic equipment and heart-rate monitoring instrumentation
Keywords :
biomedical electronics; electrocardiography; instrumentation amplifiers; low-power electronics; patient monitoring; preamplifiers; 0.05 Hz to 2 kHz; 2 kHz; 3.3 V; 30 muW; 43 dB; clinical monitoring; heart-rate monitoring instrumentation; human electrocardiogram; lead II electrode configuration; pasteless electrocardiography; pasteless-electrode recording; portable electrocardiographic equipment; ultra-low power preamplifier; Bandwidth; Batteries; Electrocardiography; Electrodes; Energy consumption; Gain; Humans; Impedance; Monitoring; Power amplifiers;
Conference_Titel :
Electronics, Circuits and Systems, 1999. Proceedings of ICECS '99. The 6th IEEE International Conference on
Conference_Location :
Pafos
Print_ISBN :
0-7803-5682-9
DOI :
10.1109/ICECS.1999.813183
