HF RFID Tag Chip Impedance Measurements

Research output: Contribution to journalArticlepeer-review

Abstract

This work provides the measurement data of sixteen high frequency (HF) radio frequency identification (RFID) transponder (tag) chips. In particular, the chip input impedance was characterized versus chip input voltage at 13.56 MHz. The measurement is based on the radio frequency current-voltage impedance measurement method and achieves, compared to previous work, higher measurement accuracy of better than 1.5 %. Along with the measurement data, the work presents a detailed analysis of six specific proximity and vicinity HF RFID chips, including a tag performance analysis of their magnetic field strength, their resonance frequency, and their quality factor, considering a typical credit-card-sized tag antenna.

Original languageEnglish
Article number2000911
JournalIEEE Transactions on Instrumentation and Measurement
Volume71
DOIs
Publication statusPublished - 2022

Keywords

  • calibration
  • CMOS integrated circuits
  • Current measurement
  • currentvoltage charcteristics
  • Frequency measurement
  • Impedance
  • impedance measurement
  • Impedance measurement
  • Radio frequency identification
  • RFID tags
  • Semiconductor device measurement
  • Voltage measurement

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

Fields of Expertise

  • Information, Communication & Computing

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