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RFID Tag on PCB in UHF Band
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- Authors
- Won-Kyu Choi, Seung-Hwan Jeong, Chan-Won Park, Hae-Won Son
- Issue Date
- 2013-08
- Citation
- Progress in Electromagnetics Research Symposium (PIERS) 2013 in Stockholm, pp.489-492
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper presents a tiny RFID tag which can be directly mounted on a PCB in electronic products as a solution to tracking PCBs within the electronics industry. The designed RFID tag consists of the tag chip, two capacitors and the 3-turn rectangular loop antenna. The RFID tag with the loop antenna utilizes a ground plane of a PCB as an ancillary radiator by an inductive coupling. Because the tag does not necessarily require direct connection to a PCB ground plane it can easily be mounted on a PCB using normal adhesive or sticky tape. The tag is 1.8 × 10 × 1 mm in size and the fractional bandwidth for a return loss of more than 3 dB is about 4.2% at 920 MHz. The reading distance of the tag ranges from 0.3 to 0.7 m depending on a size of a PCB ground plane. Two capacitors of 3.6 and 3.9 pF are used in series for matching between the 3-turn loop antenna and tag chip.
- KSP Keywords
- Direct connection, Electronics industry, Fractional Bandwidth(FBW), Ground Plane(GP), Loop Antenna, RFID TAG, Reading distance, Return Loss, UHF band, electronic products, inductive coupling