Projekteja vuodessa
Abstrakti
Ultra-wideband impulse radio transceivers are becoming a key building block for establishing ultralow power wireless sensor networks. However, impulse radio transmitters commonly suffer from a low spectral quality and a coarse frequency tuning resolution, which limits their global applicability. In this article, we present a fully integrated ultralow power impulse radio transmitter front-end (TFE) whose pulse shaping capabilities and integrated output matching network make it globally applicable up to a 4-MHz pulse repetition rate. We demonstrate a digital carrier frequency-tuning method that achieves a 28-MHz resolution over the frequency band of 6.0-8.5 GHz. In addition, we show that the temperature dependence of the TFE's carrier frequency can be compensated digitally over the industrial temperature range from -40°C to 85 °C. The proposed TFE supports energy-harvesting applications particularly well due to its low leakage power level of 380 nW and a high tolerance to power supply transients during pulse generation. It is demonstrated to operate robustly with low-drive regulators powered by low-quality sources. The TFE is fabricated in a 65-nm CMOS process. It generates 1.8-pJ pulses at a 7.5-GHz carrier frequency while consuming 63 pJ per pulse, corresponding to 2.3% efficiency.
Alkuperäiskieli | Englanti |
---|---|
Artikkeli | 9082107 |
Sivut | 1922-1934 |
Sivumäärä | 13 |
Julkaisu | IEEE Journal of Solid-State Circuits |
Vuosikerta | 55 |
Numero | 7 |
Varhainen verkossa julkaisun päivämäärä | 2020 |
DOI - pysyväislinkit | |
Tila | Julkaistu - heinäk. 2020 |
OKM-julkaisutyyppi | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä |
Sormenjälki
Sukella tutkimusaiheisiin 'A Fully Integrated Programmable 6.0-8.5-GHz UWB IR Transmitter Front-End for Energy-Harvesting Devices'. Ne muodostavat yhdessä ainutlaatuisen sormenjäljen.Projektit
- 3 Päättynyt
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Energiaomavaraiset langattomat anturijärjestelmät teholähteenään painettavat aurinkokennot ja energiavarastot
Halonen, K. (Vastuullinen tutkija)
01/09/2018 → 30/11/2021
Projekti: Academy of Finland: Other research funding
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Aalto: Towards Digital Paradise (Aalto)
Halonen, K. (Vastuullinen tutkija)
01/01/2017 → 31/12/2018
Projekti: Business Finland: Other research funding
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The Naked Approach
Halonen, K. (Vastuullinen tutkija)
01/03/2015 → 30/06/2018
Projekti: Business Finland: Strategic research openings
Laitteet
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Aalto Electronics-ICT
Ryynänen, J. (Manager)
Elektroniikan ja nanotekniikan laitosLaitteistot/tilat: Facility