A 93.9 - 102.5 GHz Colpitts VCO utilizing magnetic coupling band switching in 65nm CMOS

Samuel Jameson, Eran Socher

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper proposes a modified differential Colpitts CMOS VCO for mm-wave applications requiring wide tuning range, mW output power levels and low DC power consumption. This VCO achieves a large tuning range of 8.6 GHz between 93.9 - 102.5 GHz by using switched magnetic coupling at the gate inductor. Continuous frequency tuning is achieved by controlling the transistor gate capacitance with its bias. The peak output power is -1 dBm at 95.3 GHz without the use of an output buffer and the average phase noise is -90 dBc/Hz at 1 MHz offset (down to -102 dBc/Hz at 97.5 GHz) and -105 dBc/Hz at 10 MHz offset throughout the tuning range. The VCO uses a silicon area of 0.18 mm2 including pads and has a DC power consumption of only 5.4 - 21.6 mW resulting in a peak DC-to-RF efficiency of 3.7 %.

Original languageEnglish
Title of host publication2015 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems, COMCAS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479974733
DOIs
StatePublished - 17 Dec 2015
EventIEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems, COMCAS 2015 - Tel-Aviv, Israel
Duration: 2 Nov 20154 Nov 2015

Publication series

Name2015 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems, COMCAS 2015

Conference

ConferenceIEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems, COMCAS 2015
Country/TerritoryIsrael
CityTel-Aviv
Period2/11/154/11/15

Keywords

  • CMOS
  • Colpitts
  • VCO
  • W-band
  • dual band
  • wide tuning range

Fingerprint

Dive into the research topics of 'A 93.9 - 102.5 GHz Colpitts VCO utilizing magnetic coupling band switching in 65nm CMOS'. Together they form a unique fingerprint.

Cite this