Design of cryogenic(4.2 K) X-band HEMT oscillator for Josephson voltage standard

Moon Que Lee, Sangwook Nam, Kyung Whan Yeom, Kyu Tae Kim

Research output: Contribution to journalConference articlepeer-review

Abstract

A new oscillator configuration for Josephson voltage standard is proposed and designed by a novel method. An analytic design procedure is presented for general six configurations of oscillators with two loads. The power splitting relationship between two loads is derived with respect to the reactive(lossless) embedding element. A HEMT oscillator is designed in X-Band for the Josephson voltage standard and tested in room and cryogenic temperatures. There is a significant improvement of C/N ratio it is operated at cryogenic temperature(4.2 K).

Original languageEnglish
Pages (from-to)1031-1034
Number of pages4
JournalIEEE MTT-S International Microwave Symposium Digest
Volume2
StatePublished - 1998
EventProceedings of the 1998 IEEE MTT-S International Microwave Symposium. Part 1 (of 3) - Baltimore, MD, USA
Duration: 7 Jun 199812 Jun 1998

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