A-197.3-dBc/Hz FoMTWideband LC-VCO IC with a Single Voltage-Controlled IMOS-Based Novel Varactor in 40-nm CMOS SOI

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Abstract

A wideband LC-VCO IC with an Inversion-MOS (IMOS)-based novel varactor is proposed in this article. The novel varactor that consists of an IMOS and a fixed metal-insulator-metal (MIM) capacitor is able to provide a continuous tuning range with a single analog control voltage. The proposed VCO IC is designed, fabricated, and fully evaluated on the wafer in 40-nm CMOS SOI. The proposed wideband VCO IC has exhibited a tuning range of 40.3% from 4.14 to 6.23 GHz and a measured FoMT of-197.3 dBc/Hz under a supply voltage of only 0.34 V.

Original languageEnglish
Article number9091010
Pages (from-to)4116-4121
Number of pages6
JournalIEEE Transactions on Microwave Theory and Techniques
Volume68
Issue number10
DOIs
Publication statusPublished - 2020 Oct

Keywords

  • CMOS SOI
  • IMOS
  • LC-VCO
  • RFIC
  • varactor
  • wideband

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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