A 1.2-2.8 GHz tunable low-noise amplifier with 0.8-1.6 dB noise figure

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Abstract

This paper presents a tunable wideband low-noise amplifier (LNA) covering 1.2 to 2.8 GHz and is realized in a 0.25 μm SiGe:C BiCMOS technology. The LNA covers 80% fractional bandwidth in 16 states using a dual-LC tanks input broadband noise matching technique and a switch capacitor output frequency selection network. The measured minimal noise figure (NF) is 0.8 dB at 1.4 and 1.8 GHz, and the average NF is 1.2 (± 0.4) dB from 1.2 to 2.8 GHz. The best gain is 14 dB at 2 GHz and with ±0.5 dB flatness bandwidth covers from 1.4 GHz to 2.6 GHz. The measured input 1-dB compression point and input IP3 are better than -8 dBm and 3.5 dBm, respectively.
Original languageEnglish
Title of host publication2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages3-6
Number of pages4
ISBN (Electronic)978-1-7281-1701-0
DOIs
Publication statusPublished - Jun 2019
EventIEEE Radio Frequency Integrated Circuits Symposium (RFIC) - Boston, United States
Duration: 2 Jun 20194 Jun 2019

Conference

ConferenceIEEE Radio Frequency Integrated Circuits Symposium (RFIC)
Abbreviated titleRFIC2019
CountryUnited States
CityBoston
Period2/06/194/06/19

Keywords

  • LNA
  • SiGe
  • Switch capacitor network
  • dual-LC tanks
  • tunable

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    Gao, H., Song, Z., Chen, Z., Leenaerts, D., & Baltus, P. (2019). A 1.2-2.8 GHz tunable low-noise amplifier with 0.8-1.6 dB noise figure. In 2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019 (pp. 3-6). [8701862] Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/RFIC.2019.8701862