rf signals

Audio Rectification and TDMA/GSM EMI

RF signals entering in a system and being rectified can interfere seriously. That has been classically the case of audio noise in speakers because of mobile phones using TDMA technology. The problem is now very common in products with wireless RF funcionality in products with audio areas.

Wi-Fi Backscatter Communication System Developed at University of Washington

Engineers at the University of Washington developed a communication system that uses RF signals to power battery-free wireless devices through existing Wi-Fi infrastructures. This new system could propel the future of Internet of Things.

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