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Title: Design a low power modulator/demodulator for battery-less wireless sensor platform
Authors: Zhang, Yujing
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Integrated circuits
Issue Date: 2014
Abstract: Radio Frequency Identification (RFID) technology has various applications for automatically identifying and tracking purpose. RFID uses radio frequency signal for communication. Passive RFID tags uses input RF signal as power harvesting source as well. Wireless Identification and Sensing Platform (WISP) is a passive RFID with sensing and computing capability. The project aims to study modulator/demodulator for WISP frontend. The main focus of this project is to design low power Amplitude Shift Keying (ASK) demodulator. Different approaches in the design of the demodulator have been studied by verifying the theoretical design with simulations. All MOSFET ASK demodulator with feedback technique and comparator have been proposed for WISP low power application. The demodulator circuits have been simulated to verify the functionality. Since microprocessor may have different supply voltage as the demodulator, three level shifters are studied and simulated for proper microprocessor data processing.
Schools: School of Electrical and Electronic Engineering 
Organisations: MediaTek Singapore Pte. Ltd.
Research Centres: Centre for Integrated Circuits and Systems 
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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