An UWB low power active transmitter operating in the European UWB band (6-8.5 GHz) is presented, which may find applications in RFID transponders with asymmetric downlink and uplink communication, as well as in others communication devices. It is based on a 7.25 GHz oscillator driven by a base-band pulse generator, and connected to a small size UWB antenna. The oscillator is turned on and off by the base-band pulsed control voltage, according to a modulation scheme, and it consumes power only when the 7.25 GHz pulse is generated. The RF pulse waveform exhibits a peak amplitude of about 2.2 Vpp and a width of about 2 ns. The power spectral density of the single UWB pulse is in accordance with the European UWB mask. A planar compact UWB antenna is also proposed as the load of the transmitter. It shows a return loss lower than -14 dB in the operating frequency band.

Toccafondi, A., Zampilli, D., Giovampaola, C.D., Tesi, V. (2012). Low-power UWB transmitter for RFID transponder applications. In 2012 IEEE International Conference on RFID-Technologies and Applications, RFID-TA 2012 (pp.234-238). New York : IEEE [10.1109/RFID-TA.2012.6404519].

Low-power UWB transmitter for RFID transponder applications

Toccafondi, Alberto;ZAMPILLI, DANIELE;Giovampaola, Cristian Della;
2012-01-01

Abstract

An UWB low power active transmitter operating in the European UWB band (6-8.5 GHz) is presented, which may find applications in RFID transponders with asymmetric downlink and uplink communication, as well as in others communication devices. It is based on a 7.25 GHz oscillator driven by a base-band pulse generator, and connected to a small size UWB antenna. The oscillator is turned on and off by the base-band pulsed control voltage, according to a modulation scheme, and it consumes power only when the 7.25 GHz pulse is generated. The RF pulse waveform exhibits a peak amplitude of about 2.2 Vpp and a width of about 2 ns. The power spectral density of the single UWB pulse is in accordance with the European UWB mask. A planar compact UWB antenna is also proposed as the load of the transmitter. It shows a return loss lower than -14 dB in the operating frequency band.
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Toccafondi, A., Zampilli, D., Giovampaola, C.D., Tesi, V. (2012). Low-power UWB transmitter for RFID transponder applications. In 2012 IEEE International Conference on RFID-Technologies and Applications, RFID-TA 2012 (pp.234-238). New York : IEEE [10.1109/RFID-TA.2012.6404519].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/1042846