High-Sensitivity CMOS RF-DC Converter in HF RFID Band
Product Description
High-Sensitivity CMOS RF-DC Converter
in HF RFID Band
Abstract— A fully-integrated RF-DC converter operating at the HF RFID working frequency (13.56 MHz) and realized in 350 nm CMOS technology is presented. It is based on a Dickson’s rectifier, a Pelliconi’s charge pump driven by a 50 kHz ring oscillator, and a voltage monitor. Mathematical model is developed and verified through simulations and measurements. Results show a sensitivity of −19 dBm with related output voltage of 0.5 V. Moreover, taking advantage from the internal voltage monitor, the suitability of the proposed architecture to pilot RFIDbased
sensor boards has been proved.< final year projects >
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