A 209-233 GHz frequency source in 90 nm CMOS technology

Bassam Khamaisi, Eran Socher

Research output: Contribution to journalArticlepeer-review


This letter presents a J-band signal source based on a third harmonic generation of a differential Colpitts voltage controlled oscillator (VCO). The source covers a frequency range from 209.3 to 233.3 GHz, which corresponds to a 10.8% total tuning range. This is the widest tuning range in a J-band source signal reported to date. The VCO was fabricated using a 90 nm Mixed-Mode/RF CMOS process; it provides -6.2 dBm output power at 228 GHz, while consuming 48 mA from a 1.8 V supply, and an estimated phase noise of -90.5 dBc/Hz at 1 MHz offset from the carrier.

Original languageEnglish
Article number6184344
Pages (from-to)260-262
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number5
StatePublished - 2012


  • CMOS
  • Colpitts topology
  • J-band
  • millimeter-wave
  • voltage controlled oscillator (VCO)


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