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5 mm Range 61 GHz System on Chip EPC Gen2 RFID tag in 22nm FD-SOI Technology

: Harutyunyan, A.; Heinig, A.; Fiedler, R.; Landwehr, M.; Hildebrandt, R.; Holland, H.-J.


Institute of Electrical and Electronics Engineers -IEEE-:
IEEE International Conference on RFID, RFID 2020 : Orlando, Florida, USA, 28 September - 16 October 2020, Online
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-7281-5577-7
ISBN: 978-1-7281-5576-0
International Conference on RFID <14, 2020, Online>
Fraunhofer IPMS ()

A complete mm-Wave System-on-Chip RFID tag based on the backscattering principle is presented. It is designed to operate at a 5 mm range. On-chip CPW-fed slot antenna has-1 dBi gain and is conjugate matched to the analog frontend (AFE). The analog frontend provides 0.4V at-3 dBm input power, while the modulator enables-12 dB reflection coefficient. The chip is fabricated in 22 nm SOI process on 7 substrate thinned to 150um. The baseband circuitry is designed to operate at 0.4 V to increase the communication range. Its 0.5 uW protocol machine is EPC Gen 2 standard compatible, includes cryptography features and OTP memory. In addition, a broad range of practical issues covered, that pop up when designing an RFID system at mm-waves.