The design of a lownoise electrocardiosignal amplifier, as a research subject of biomedical electronics, is a key link in data acquisition and processing of electrocardiosignal.
低噪声心电放大器的设计是生物医学电子学研究课题之一，是对心电信息进行数据采集与处理的重要环节。
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In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation.