You can turn off your phone or tablet’s built-in Bluetooth and still use the Sennheiser BTD 700, since it operates ...

Abstract: A 915-MHz binary frequency-shift keying (BFSK) transmitter is proposed in this letter. The proposed transmitter architecture allows relaxing the frequency-tuning requirement of the ...

Abstract: While the amplitude, frequency and phase, are the well-known carrier features that can be modulated according to digital data stream, there is still another unexploited sinusoidal feature.

1 Tsinghua National Laboratory Science and Technology (TNList), Department of Electronic Engineering, Tsinghua University, Beijing, China. 2 Beijing Smart-Chip Microelectronics Technology Company Ltd.