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

Mengchu Fang; Toshihiko Yoshimasu

doi:10.1109/TMTT.2020.2990441

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

Mengchu Fang, Toshihiko Yoshimasu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

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 language	English
Article number	9091010
Pages (from-to)	4116-4121
Number of pages	6
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	68
Issue number	10
DOIs	https://doi.org/10.1109/TMTT.2020.2990441
Publication status	Published - 2020 Oct

Keywords

CMOS SOI
IMOS
LC-VCO
RFIC
varactor
wideband

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/TMTT.2020.2990441

Cite this

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

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.",

keywords = "CMOS SOI, IMOS, LC-VCO, RFIC, varactor, wideband",

author = "Mengchu Fang and Toshihiko Yoshimasu",

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