NDLI: Design System on Chip PreAmp Embedded on Electrocardiograph Based 0,35 CMOS Technology

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Design System on Chip PreAmp Embedded on Electrocardiograph Based 0,35 CMOS Technology

Content Provider	Scilit
Author	Mukhlis, Yulisdin Triawati, Erma Ernita, Veronica
Copyright Year	2019
Description	Journal: Journal of Physics: Conference Series The heartbeat has frequency from 0.1 Hz to 150 Hz. The electrical signal which is resulted from the heartbeat has amplitude of 100μV - 4 mV. In order that the amplitude can be sampled by the ADC, it must be amplified 100 times, thus amplitude amplifier about 60dB it is required. In this research, the researcher designs a System on Chip ECG based on Einthoven method which has 3 Leads, so amplitude can be amplified based on the different voltage of each Lead. Differential amplifier is an initial amplifier that will amplify the difference of two inputs of voltage. Differential amplifier is designed using 3 operational amplifiers (op-amp). Op-Amp A1 and Op-Amp A2 are used for detecting and sampling the difference of two input levels. The function of Op-Amp A3 is to amplify the difference results of the sampled input level. Op-Amp A1, Op-Amp A2 and Op-Amp A3 are designed with offset voltage of Vos ≈ 0V, Open Loop Gain ≈ 66.42 dB, Phase Margin ≈ 400 and Unity Gain Bandwidth ≈ 160.7MHz. Method of the research is design and simulation using 0.35 micro Mentor Graphics technology. Result of the research is a layout of PreAmp for System on Chip ECG with gain of 62.4 dB and 0.034 mm2 area.
Related Links	https://iopscience.iop.org/article/10.1088/1742-6596/1175/1/012095/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/1175/1/012095
Journal	Journal of Physics: Conference Series
Issue Number	1
Volume Number	1175
Language	English
Publisher	IOP Publishing
Publisher Date	2019-03-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Hardware and Architecture
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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