A CMOS Power Efficient Analog Integrated Circuits for Neural Signal Acquisition

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Provided by: International Journal of Engineering Trends and Technology
Topic: Hardware
Format: PDF
In this paper, design of a two stage fully differential-RC miller compensated CMOS operational amplifier and a low power low noise amplifier for neural signal recording systems is presented. In the proposed amplifiers high gain with an active feedback loop, smaller frequency noise and low power consumption is achieved by operating MOS. Transistors in the subthreshold region, while applying body biasing technique in each stage. In this paper, body biasing is introduced as a technique to improve the noise figure and to provide gain.
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