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dc.contributor.authorGuo, Yanshuen_US
dc.contributor.authorFang, Zhongyuanen_US
dc.contributor.authorTang, Kaien_US
dc.contributor.authorWeng, Zhaoyangen_US
dc.contributor.authorYang, Chuanshien_US
dc.contributor.authorWang, Nanen_US
dc.contributor.authorNg, Eldwin J.en_US
dc.contributor.authorWang, Zhihuaen_US
dc.contributor.authorHeng, Chun-Huaten_US
dc.contributor.authorJiang, Hanjunen_US
dc.contributor.authorZheng, Yuanjinen_US
dc.identifier.citationGuo, Y., Fang, Z., Tang, K., Weng, Z., Yang, C., Wang, N., Ng, E. J., Wang, Z., Heng, C., Jiang, H. & Zheng, Y. (2022). A 164-μW 915-MHz sub-sampling phase-tracking zero-IF receiver with 5-Mb/s data rate for short-range applications. IEEE Journal of Solid-State Circuits, 57(9), 2658-2671.
dc.description.abstractThis article presents a 915-MHz ultra-low-power (ULP) sub-sampling phase-tracking receiver (SSPT-RX). It is targeted for the power-constrained devices that need short range but medium high-speed data receiving, such as the multi-channel neural stimulator with arbitrary waveform generation. The zero-intermediate frequency (zero-IF) phase-tracking receiver (PT-RX) topology is adopted to simplify the sub-sampling RX architecture with direct demodulation of frequency-shift keying (FSK) signal while improving the image frequency issue. The frequency of local oscillator (LO) is reduced by ten times with the proposed architecture, which leads to greatly reduced power consumption. Fabricated in 65-nm CMOS process, the RX chip occupies an active area of 0.58 mm2. The RX consumes one of the lowest power consumptions of 164 μW from 0.5-/1-V supplies. It achieves an energy efficiency of 32.8 pJ/bit at a data rate of 5 Mb/s, which is improved by ∼5.6× compared to the stateof- the-art RXs. The measured sensitivity of 915-MHz FSK signal receiving is -69.5 dBm with an LO frequency of 91.5 MHz, which is 1/10 of the carrier frequency. The achieved RX sensitivity figure-of-merit (FoM) is 174.3 dB.en_US
dc.description.sponsorshipAgency for Science, Technology and Research (A*STAR)en_US
dc.relation.ispartofIEEE Journal of Solid-State Circuitsen_US
dc.rights© 2022 IEEE. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleA 164-μW 915-MHz sub-sampling phase-tracking zero-IF receiver with 5-Mb/s data rate for short-range applicationsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.subject.keywordsFrequency-Shift Keyingen_US
dc.subject.keywordsHigh Energy Efficiencyen_US
dc.description.acknowledgementThis work was supported in part by “Nanosystems at the Edge” through the Singapore A∗STAR SERC AME Program under Grant A18A4b0055, in part by the Minister of Science and Technology, China, through the National Science and Technology Major Project under Grant 2018AAA0103100, in part by the National Natural Science Foundation of China under Contract 61661166010, and the in part by the Shenzhen Science and Technology Program under Grant JCYJ20180306170435280.en_US
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