Design and Implementation of LNA for Biomedical Applications

LNA (low noise amplifier) remains as the key element of RF transceiver system. These are used for amplifying a weak, low power signal without degrading its signal to noise ratio. LNA used in radio communication system and ISM band application is capable of handling wide dynamic range of input signal without getting overloaded and undergoing saturation. In this paper, use of LNA in biomedical applications includes neural, biosensors, ECG and EEG application and comparison of different LNA topologies in terms of chip area, power consumption and method of implementation has been done.

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