A low phase noise 26-GHz push-push VCO with a wide tuning range in 0.18-μm CMOS technology

Ching Hung Chiu, Kung Hao Liang, Hong Yeh Chang, Yi Jen Chan

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

14 Scopus citations


A 26-GHz low-phase-noise and widetuning-range fully integrated push-push VCO has been presented in this paper. This circuit is fabricated using 0.18-μm bulk CMOS technology. Only pMOS devices-based cross-coupled pair is used to reduce the phase noise, and the measured fundamental and push-push (second harmonic) phase noise at 1-MHz offset are about -108.1 dBc/Hz and -102.9 dBc/Hz, respectively. Moreover, the VCO achieves a wide tuning range of 14%. Maximum push-push output power is about -14 dBm, and the dc power consumption is 18.6 mW at 1.2-V power supply voltage.

Original languageEnglish
Title of host publication2006 Asia-Pacific Microwave Conference Proceedings, APMC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages4
ISBN (Print)4902339099, 9784902339093
StatePublished - 2006
Event2006 Asia-Pacific Microwave Conference, APMC - Yokohama, Japan
Duration: 12 Dec 200615 Dec 2006

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC


Conference2006 Asia-Pacific Microwave Conference, APMC


  • Phase noise
  • Voltage-controlled oscillator (VCO)
  • pMOS


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