UHF RFID chip impedance and sensitivity measurement using a transmission line transformer
2021 IEEE International Conference on RFID (RFID)(2021)
摘要
This article describes an alternative procedure for measuring the impedance of an ultra high frequency (UHF) radio frequency identification (RFID) chip and finding its turnon-point. The proposed method is based on measuring the balanced impedance of the RFID chip using a standard vector network analyzer (VNA) and a custom fabricated printed circuit board (PCB) test fixture. The test fixture uses a...
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关键词
power reflection,impedance matching,radio frequency identification (RFID)
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