A K-band low phase noise and low power CMOS voltage-controlled oscillator

Jeng Han Tsai, Yu Zhe Lin, Yin Ting Kuo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A K-band differential cross-coupled inductance- capacitance (LC) voltage-controlled oscillator (VCO) is implemented in 0.18-μm CMOS process. To accomplish high quality (Q) factor LC-tank at K-band, a slab inductor with high Q is adopted. The VCO can be tuned from 23.1 to 23.38 GHz and the core dc power consumption is 11.33 mW from 1 V power supply. The phase noise is −109.04 dBc/Hz at 1 MHz offset, and the calculated figure of merit (FoM) is −185.79 dBc/Hz. At low supply voltage mode of 0.65 V, the phase noise is −106.015 dBc/Hz at 1 MHz offset and the FoM is −189.76 dBc/Hz.

Original languageEnglish
Pages (from-to)362-366
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume59
Issue number2
DOIs
Publication statusPublished - 2017 Feb 1

Fingerprint

voltage controlled oscillators
Variable frequency oscillators
Phase noise
extremely high frequencies
figure of merit
Q factors
CMOS
inductors
inductance
power supplies
Inductance
slabs
Electric power utilization
Capacitance
capacitance
Electric potential
electric potential

Keywords

  • CMOS
  • K-band
  • voltage-controlled oscillator

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

A K-band low phase noise and low power CMOS voltage-controlled oscillator. / Tsai, Jeng Han; Lin, Yu Zhe; Kuo, Yin Ting.

In: Microwave and Optical Technology Letters, Vol. 59, No. 2, 01.02.2017, p. 362-366.

Research output: Contribution to journalArticle

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AB - A K-band differential cross-coupled inductance- capacitance (LC) voltage-controlled oscillator (VCO) is implemented in 0.18-μm CMOS process. To accomplish high quality (Q) factor LC-tank at K-band, a slab inductor with high Q is adopted. The VCO can be tuned from 23.1 to 23.38 GHz and the core dc power consumption is 11.33 mW from 1 V power supply. The phase noise is −109.04 dBc/Hz at 1 MHz offset, and the calculated figure of merit (FoM) is −185.79 dBc/Hz. At low supply voltage mode of 0.65 V, the phase noise is −106.015 dBc/Hz at 1 MHz offset and the FoM is −189.76 dBc/Hz.

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