Pregled bibliografske jedinice broj: 1053488
A Differential Analog Receiver Front-End for Galvanic-Coupled Human Body Communication
A Differential Analog Receiver Front-End for Galvanic-Coupled Human Body Communication // 2020 IEEE International Instrumentation and Measurement Technology Conference Proceedings / Rapuano, Sergio ; Van Moer, Wendy ; Vasic, Darko (ur.).
Piscataway (NJ): Institute of Electrical and Electronics Engineers (IEEE), 2020. str. 1-5 doi:10.1109/I2MTC43012.2020.9129269 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
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Naslov
A Differential Analog Receiver Front-End for
Galvanic-Coupled Human Body Communication
Autori
Li, Dongming ; Wu, Jiahui ; Gao, Yueming ; Du, Min ; Lučev Vasić, Željka ; Cifrek, Mario
Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni
Izvornik
2020 IEEE International Instrumentation and Measurement Technology Conference Proceedings
/ Rapuano, Sergio ; Van Moer, Wendy ; Vasic, Darko - Piscataway (NJ) : Institute of Electrical and Electronics Engineers (IEEE), 2020, 1-5
Skup
2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2020)
Mjesto i datum
Dubrovnik, Hrvatska, 25.05.2020. - 28.05.2020
Vrsta sudjelovanja
Predavanje
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
HBC ; galvanic-coupled ; receiver ; variable gain
Sažetak
The galvanic-coupled human body communication (HBC) has come out as an alternative to radio frequency communication for connecting miniaturized wearable, implantable devices in, on the human body. The existed researches focused on the channel characteristics measurement, less on transceiver. The analog front-end (AFE) circuit is the significant part of the transceiver. In this paper, a wearable AFE circuit for human body communication is proposed, which can be utilized for subsequent signal recovery or demodulation. Differential input and filter hold circuits are used to get rid of interference from the environment and the human body. The variable gain amplifier module is applied as the final stage amplifier to reduce the influence of the change caused by the contact instability of the output electrodes. The performance index of the front-end circuit is obtained by analyzing the experimental results. The results show that the circuit has a high gain flatness. When the circuit gain is 40 dB, the gain error is within ± 0.5 dB in the frequency range of 10kHz-1MHz. The common-mode rejection ratio of the circuit can reach 112 dB, and the voltage equivalent input noise is only 3 nV/√Hz, which can guarantee the stability of HBC in complex situations. In the end, the effectiveness of the analog front-end circuit is verified by in vivo experiments.
Izvorni jezik
Engleski
Znanstvena područja
Elektrotehnika
POVEZANOST RADA
Ustanove:
Fakultet elektrotehnike i računarstva, Zagreb
