An FSK and OOK Compatible RF Demodulator for Wake Up Receivers
AbstractThis work proposes a novel demodulation circuit to address the implementation of Wake-Up Receivers (Wu-Rx) in Wireless Sensor Nodes (WSN). This RF demodulator, namely Modulated Oscillator for envelOpe Detection (MOOD), is compatible with both FSK and OOK/ASK modulation schemes. The system embeds an LC oscillator, an envelope detector and a base-band amplifier. To optimize the trade-off between RF performances and power consumption, the cross-coupled based oscillator is biased in moderate inversion region. The proof of concept is implemented in a 65 nm CMOS technology and is intended for the 2.4 GHz ISM band. With a supply voltage of 0.5 V, the demodulator consumes 120 μW and demonstrates the demodulation of OOK and FSK at a data rate of 500 kbps. View Full-Text
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Taris, T.; Kraimia, H.; Belot, D.; Deval, Y. An FSK and OOK Compatible RF Demodulator for Wake Up Receivers. J. Low Power Electron. Appl. 2015, 5, 274-290.
Taris T, Kraimia H, Belot D, Deval Y. An FSK and OOK Compatible RF Demodulator for Wake Up Receivers. Journal of Low Power Electronics and Applications. 2015; 5(4):274-290.Chicago/Turabian Style
Taris, Thierry; Kraimia, Hassène; Belot, Didier; Deval, Yann. 2015. "An FSK and OOK Compatible RF Demodulator for Wake Up Receivers." J. Low Power Electron. Appl. 5, no. 4: 274-290.