Theoretical and Experimental Driving-Point Impedance Results of Resonance Circuits in a Gunn Waveguide Oscillator |
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| Authors: | Hyun-Joo Kim Seog-Tae Han Jeong-Geun Kim Tai-Seong Kim Kwang-Dong Kim Chang-Hoon Lee Moon-Hee Chung and Yong-Gi Kim |
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| Institution: | (1) University of Electronic Science and Technology of China, Chengdu, Sichuan, People’s Republic of China |
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| Abstract: | The frequency tuning range of waveguide oscillator and its stability depend sensitively on the dimension of the resonance cap. Therefore the driving-point impedances with the various dimensions of the resonance cap are calculated by using HFSS(High Frequency Simulation System). In this paper the comparisons between theoretical results of the driving-point impedances as a function of frequency and that of experimental results are described. The oscillation frequency range could be predicted by using the theoretical evaluation methods which are proposed. It shows that resonance cap size and disc height have an effect on the frequency tuning characteristics of Gunn oscillator. |
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