Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jass...17..232k&link_type=abstract
Journal of Astronomy and Space Sciences, vol. 17, no. 2, p. 221-232
Astronomy and Astrophysics
Astronomy
Instrumentation, Radio Telescope
Scientific paper
A Gunn waveguide-oscillator, mechanically tunable from 60 to 70 GHz, has been developed for use as a local oscillator (LO) in millimeter radio telescope. Disc size, post size and characteristics of Gunn diode have an effect on the frequency tuning characteristics of Gunn oscillator. In this paper we report experimental results and design criteria for a wideband tunable Gunn oscillator. The developed Gunn oscillator has been used in the 100/150 GHz band dual channel receiver for the Taeduk Radio Astronomy Observatory.
Han Seog Tae
Kim Hyun-Joo
Kim Tai-Seong
Kim Yong-Gi
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