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A 780-nW Frequency-Agile Fully Integrated Super-Regenerative Multi-Channel UHF Receiver for Continuous Spectral Monitoring

: Eppel, M.; Milosiu, H.; Kögel, T.; Öhler, F.


Institute of Electrical and Electronics Engineers -IEEE-:
IEEE Topical Conference on Wireless Sensors and Sensor Networks, WiSNet 2019 : Orlando, Florida, 20-23 January 2019, Part of IEEE Radio and Wireless Week, RWW 2019
Piscataway, NJ: IEEE, 2019
ISBN: 978-1-5386-5954-0
ISBN: 978-1-5386-5953-3
ISBN: 978-1-5386-5952-6
Radio & Wireless Week (RWW) <14, 2019, Orlando/Fla.>
Conference Paper
Fraunhofer IIS ()

This paper proposes a frequency agile fully integrated super-regenerative receiver for spectral power estimation. A 180-nm implementation of the proposed receiver is presented with measurements. The receiver draws 26 μA from a 1.8 Volt supply to scan 60 frequency points between 380 and 960 MHz every 1.8 ms, hence 780 nW per channel. The “resolution bandwidth” lies between 2 and 15 MHz, depending on the quench-signal. No external filter components are used. Filter quality factors greater than 400 are achieved, using an on-chip inductor. The best measured receiver sensitivity is -75 dBm.