Varactor-tuned gunn diode voltage controlled oscillator antenna array |
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| Authors: | Shing Horng Lee Christina F. Jou Chien Ping Lee Cheng Chi Hu |
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| Affiliation: | (1) Institute of Electronic Engineering, National Chiao Tung University, Hsinchu, Taiwan, Republic of China;(2) Institute of Communication Engineering, National Chiao Tung University, Hsinchu, Taiwan, Republic of China |
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| Abstract: | A simple varactor tuned X-band Gunn diode VCO antenna array which is strongly coupled has been demonstrated. These arrays have the advantages of simple biasing circuit, no resistors required to eliminate multimode problem and suitable for monolithic integration circuit. Preliminary results show a maximum tuning range of 47MHz for 1×1 array and 170MHz for 2×2 array. In order to solve power combining heating problem, we move the backside metal forward and it becomes a microstrip form. The measured frequency and radiation patterns of these grid arrays agree very well with theoretical calculations. |
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| Keywords: | Varactor tuned X-band Voltage Controlled oscillator (VCO) |
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