A CMOS 2.45-GHz radio frequency identification tag IC with read/write memory

A CMOS 2.45-GHz radio frequency identification tag IC with read/write memory

A 2.45-GHz RFID tag chip was designed on standard 0.25- /spl mu/m CMOS process. Using only MOS devices, the low-Vt rectifier circuit produces 100 /spl mu/W of power with 2 dBm input. The tag IC with bidirectional communication and anti-collision features can be read from a distance of up to 15 cm un...

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Bibliographische Detailangaben
Hauptverfasser: Wooi Gan Yeoh, Yeung Bun Choi, Kok Yin Tham, Sheng Xi Diao, Yi Song Li
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bidirectional control
CMOS integrated circuits
CMOS process
MOS devices
Nonvolatile memory
Radiofrequency identification
Radiofrequency integrated circuits
Read-write memory
Rectifiers
RFID tags
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Beschreibung
Zusammenfassung:A 2.45-GHz RFID tag chip was designed on standard 0.25- /spl mu/m CMOS process. Using only MOS devices, the low-Vt rectifier circuit produces 100 /spl mu/W of power with 2 dBm input. The tag IC with bidirectional communication and anti-collision features can be read from a distance of up to 15 cm under a reader power of 250 mW. The die area of 0.79 mm/sup 2/ includes a 128-bit rewritable non-volatile memory.
ISSN:1529-2517
2375-0995
DOI:10.1109/RFIC.2005.1489811