Abstract
LITERTURE REVIEW ON AMPLIFICATION TECHNIQUES USED IN BIO-AMPLIFIER
Annu Singh*
ABSTRACT
This paper discusses the various types of bio-amplifier which are used to amplify the bio-signals such as ECG, EEG, EMG,EOG Pulse rate etc. this kind of bioamplifier play very important role in biomedical applications because they are used to amplify bioasignals which are very weak signal in millivolt or microvolt range. Different methodologies and techniques are used to design such kind of amplifier so they can provide a high gain and high cmrr. different topologies such as cascade, folded cascode and telescopic are employed to improve the differernt parameters of the circuit.
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