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Ultra Low Power Wake-Up Radio Using Envelope Detector and Transmission Line Voltage Transformer

Nilsson, Emil, Svensson, Christer
2013

Artikel i tidskrift (Refereegranskat)

Abstract:

An ultra-low power wake-up radio receiver using no oscillators is described. The radio utilizes an envelope detector followed by a baseband amplifier and is fabricated in a 130-nm complementary metal-oxide-semiconductor process. The receiver is preceded by a passive radio-frequency voltage transformer, also providing 50 Omega antenna matching, fabricated as transmission lines on the FR4 chip carrier. A sensitivity of -47 dBm with 200 kb/s on-off keying modulation is measured at a current consumption of 2.3 mu A from a 1 V supply. No trimming is used. The receiver accepts a dBm continuous wave blocking signal, or modulated blockers 6 dB below the sensitivity limit, with no loss of sensitivity.

Nyckelord: Blocking signal; complementary metal-oxide-semiconductor (CMOS); envelope detector sensitivity; radio-frequency identification (RFID); ultra low power; wake-up radio; wireless sensor networks

Citera: Nilsson, Emil & Svensson, Christer, Ultra Low Power Wake-Up Radio Using Envelope Detector and Transmission Line Voltage Transformer, IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS., 3:1, s. 5-12, 2013