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A 0.5V low power single stage folded cascode amplifier for bio-signals

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Title: A 0.5V low power single stage folded cascode amplifier for bio-signals

Authors: D. Hari Priya, A. S. C. S. Sastry, K. S. Rao

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2017

Volume: 12

Issue: 2

Language: English

Categories
Electrical Engineering (5972) Bio-signals (1) Electronics (349) Amplifiers (12) Low Power Design (37)

Abstract

Long term monitoring and measurement of bio signals requires new techniques that promise light weight devices consuming low power and are maintenance free. The basic block in processing analog signal happens to be operational trans-conductance amplifier (OTA) and the design of sub-threshold OTA for low voltage low frequency applications consuming less power is proposed. With an operating voltage of 0.5V the gain achieved is 58dB and CMRR of 88.5dB. The input referred noise is measured as 1.159µV and the power consumption has 620nW. The circuit was implemented in 0.18µm technology using Cadence tool.

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