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An UHF RFID tag antenna which is comprised of a U-shaped tuning stub and a dipole radiator for different permittivity surfaces is investigated, fabricated and measured. For a conjugate match to the NXP G2XM chip impedance of 29-j137 at 915 MHz, a dipole tag antenna (91 mm × 10 mm) with U-shaped stub connected to dipole arms was designed. Simple size adjustments of the U-shaped tuning stub and dipole...
An UHF RFID tag antenna which is comprised of a trapezoidal loop and a dual-dipole radiator with an L-slit for omnidirectional polarized reading patterns is designed, fabricated and measured. For a conjugate match to the Monza 3 microchip impedance of at 915 MHz, an orthogonal dual-dipole tag antenna (91 mm 91 mm) with L-slit on each dipole arm was designed. Simple size adjustments...
This paper describes a high impedance matched dipole antenna, which is comprised of an inductive T-matched loop and a small bent dipole radiator with a slit for UHF RFID tag design. The overall dimension of the tag antenna is 36 mm × 28 mm. The input impedance of the designed tag antenna is 49.2+j787.6 Ω and is conjugately matched to a FEC-MMGen2/MM3BS microchip with an impedance of 49.2−j787.6 Ω...
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