Determination of Bioimpedance Using Multi-Frequency Bio-electrical Impedance Analysis

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Brahmandlapalli, Satyanarayana Shashank




Using 130nm CMOS technology, an eight metal layer process, this thesis is aimed at developing an integrated circuit to find bioimpedance using multi-frequency bioelectrical impedance analysis technique. By injecting current at multiple frequencies into a biological subject and measuring the voltage response of the subject, and the ratio of the response to excitation would aid in finding the bioimpedance of the biological subject. A low power, high differential gain operational amplifier with high CMRR is designed to develop current sources, voltage measuring circuits and post-processing circuits. Transient and DC simulations have been done to validate the concept of determination of bioimpedance. Layouts have been designed and the chip is fabricated and tested for results.


Engineering - Electronics and Electrical




Carleton University

Thesis Degree Name: 

Master of Applied Science: 

Thesis Degree Level: 


Thesis Degree Discipline: 

Engineering, Electrical and Computer

Parent Collection: 

Theses and Dissertations

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