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An Ultra-Low-Power, High-Output-Power and High-Sensitivity Bioelectronic Transceiver

  • Ruohan Wang*
  • , Xiaoyuan Wu
  • , Kangjie Zhao
  • , Chunqi Shi
  • , Leilei Huang
  • , Jinghong Chen
  • , Runxi Zhang
  • *Corresponding author for this work
  • East China Normal University
  • University of Houston

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper presents an ultra-low-power, high-output-power, and high-sensitivity transceiver for implantable bioelectronic systems in a 40-nm CMOS technology. The design targets stringent power constraints by employing a wake-up scheme. The transceiver introduces a transmitter architecture based on a cascaded injection-locked ring oscillator (ILRO) and edge combiner (EC), alongside a receiver utilizing an envelope-detection demodulation technique for power reduction. The switched-capacitor power amplifier (SCPA) enables high output power through its high-efficiency characteristic, while a high-gain low-noise amplifier (LNA) ensures high-sensitivity reception. Compared with prior works, this transceiver achieves simultaneous high output power and high sensitivity within an ultra-low-power architecture, making it ideal for implantable bioelectronic applications. The proposed techniques reduce sleep-mode power consumption to 40 nW. The transmitter delivers 2.37-dBm output power with 8.2-mW consumption, and the receiver attains -64-dBm sensitivity with 200-μW consumption over a 10-meter wireless range.

Original languageEnglish
Title of host publicationISCAS 2026 - 2026 IEEE International Symposium on Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2957-2961
Number of pages5
ISBN (Electronic)9798331577698
DOIs
StatePublished - 2026
Event2026 IEEE International Symposium on Circuits and Systems, ISCAS 2026 - Shanghai, China
Duration: 24 May 2026 → 27 May 2026

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)0271-4310

Conference

Conference2026 IEEE International Symposium on Circuits and Systems, ISCAS 2026
Country/TerritoryChina
CityShanghai
Period24/05/26 → 27/05/26

Keywords

  • Bioelectronic
  • High-Sensitivity
  • High-output-power
  • Ultra-low-power

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