94 GHz waveguide VCO with Magic-T for FMCW radar

Dong Sik Ko, Sung Woon Moon, Mun Kyo Lee, Sang Jin Lee, Du Hyun Ko, Seok Ho Bang, Yong Hyun Baek, Min Han, Seok Gyu Choi, Tae Jong Baek, Sam Dong Kim, Jin Koo Rhee

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

12 Scopus citations

Abstract

In this paper, We have designed and fabricated the waveguide voltage controlled oscillator (VCO) at 94 GHz, which consists of a GaAs Gunn diode, a varactor diode, and two bias posts with low pass filter (LPF), and a Magic Tee for FMCW radar. The cavity is designed for a fundamental mode at 47 GHz and operated at second harmonic of 94GHz center frequency. The fabricated VCO has 640 MHz bandwidth, 505MHz linearity with 2%. The VCO operates at 93.9 GHz with phase noise of - 102.79 dBc/Hz at 1 MHz offset and power of 11.34 dBm. The W-band VCO has phase noise better than -100 dBc/Hz.

Original languageEnglish
Title of host publicationProceedings of the 38th European Microwave Conference, EuMC 2008
Pages1234-1237
Number of pages4
DOIs
StatePublished - 2008
Event38th European Microwave Conference, EuMC 2008 - Amsterdam, Netherlands
Duration: 27 Oct 200831 Oct 2008

Publication series

NameProceedings of the 38th European Microwave Conference, EuMC 2008

Conference

Conference38th European Microwave Conference, EuMC 2008
Country/TerritoryNetherlands
CityAmsterdam
Period27/10/0831/10/08

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