KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Injection Locked Synchronization Characteristics of a Millimeter Wave Second Harmonic Oscillator
Authors	최영규(Choi, Young-Kyu)
DOI	https://doi.org/10.5370/KIEE.2013.62.12.1700
Page	pp.1700-1705
ISSN	1975-8359
Keywords	Injection-synchronization ; Harmonic FET oscillator ; Millimeter wave source ; Phase noise
Abstract	A second harmonic millimeter wave oscillator utilizing sub-harmonic injection-synchronization is presented. A 8.7GHz oscillator with MES-FET is designed, and is driven as a harmonic output oscillator at 17.4GHz by means of sub-harmonic injection-synchronization. The oscillator operates as a multiplier as well as a oscillator in this scheme. Adopting this method, a high sable, high frequency millimeter wave source is obtainable even though self-oscillating frequency of an oscillator is relatively low. The range of injection-synchronization is about 26MHz, and is proportional to the input sub-harmonic power. The spectrum analysis of the 2nd harmonic output frequency shows remarkably decreased the phase noise level.

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