4.6 Article

A 9 μA, Addressable Gen2 Sensor Tag for Biosignal Acquisition

Journal

IEEE JOURNAL OF SOLID-STATE CIRCUITS
Volume 45, Issue 10, Pages 2198-2209

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSSC.2010.2063930

Keywords

Biomedical; implantable electronics; RFID; low power; analog

Funding

  1. National Science Foundation [0824265]
  2. Office of Naval Research (ONR) MURI
  3. Intel Labs Seattle
  4. Komen Endowed Chair
  5. Div Of Electrical, Commun & Cyber Sys
  6. Directorate For Engineering [0824265] Funding Source: National Science Foundation

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Biosensors present exciting opportunities in novel medical and scientific applications. However, sensor tags presented to date cannot interface with practical sensors, lack addressability, and/or require a custom (high-cost) interrogator. Our tag provides these features via ultra-low-power circuitry including a low-noise biosignal amplifier, unique tag ID generator, calibration-free 3 MHz oscillator, and EPC C1 Gen2 protocol compatibility. In addition to design details and measurement data from the fabricated IC, we present in vivo muscle temperature measurement from an untethered in-flight hawkmoth.

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