Single-Chip Passive UHF RFID Tags and Readers Department of Electrical & Electronic Engineering

Faculty

Prof. Ross D. MURCH ( 穆 樂 思 )

Research Assistant

Chi Ho CHENG ( 鄭 智 豪 )

Design

RFID tag Antenna Design :

Design	Impedance
3 folded dipole	550 ohm
Modified 3 folded dipole	55 + 230j ohm
Modified 4 folded dipole	950 – 144j ohm
Modified 4 folded dipole	700 + 400j ohm
4 folded dipole	750 ohm

The metal conductivity in DC is 2760000 siemens/m and the substrate dielectric constant is 3.1 with around 5 mil thickness for the substrate.

Presentation Material

RFID Antenna