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http://dx.doi.org/10.5370/KIEE.2013.62.12.1700

Injection Locked Synchronization Characteristics of a Millimeter Wave Second Harmonic Oscillator  

Choi, Young-Kyu (Dept. of Electronic Engineering, Silla University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.62, no.12, 2013 , pp. 1700-1705 More about this Journal
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.
Keywords
Injection-synchronization; Harmonic FET oscillator; Millimeter wave source; Phase noise;
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