| Ka波段波导二进制空间功率合成放大器 |
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| 引用本文： | 褚庆昕,康智勇,龚志.Ka波段波导二进制空间功率合成放大器[J].微波学报,2012,28(1):44-48. |
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| 作者姓名： | 褚庆昕 康智勇 龚志 |
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| 作者单位： | 1. 华南理工大学电子与信息学院,广州510640／空间微波技术国防科技重点实验室,西安710100
2. 华南理工大学电子与信息学院,广州,510640 |
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| 基金项目： | 重点实验室基金资助项目 |
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| 摘 要： | 研制了一种连续波Ka波段二进制8路空间功率合成放大器,采用全波导分配/合成结构,结合了分支波导耦合器和空间功率合成技术,具有低损耗、高效率、驻波良好和结构紧凑的特点。在31～36GHz频率范围内,增益为17.5～19.5dB,连续饱和输出平均功率Pout≥10W,工作效率在全频段内大于13%,功率合成效率超过72.5%,最大合成效率超过90%。
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| 关 键 词： | 功率放大器 空间功率合成器 分支波导耦合器 波导-微带探针 |
Ka-Band Binary Spatial Power Combiner Based on Branch-Waveguide Coupler |
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| CHU Qing-xin,KANG Zhi-yong,GONG Zhi.Ka-Band Binary Spatial Power Combiner Based on Branch-Waveguide Coupler[J].Journal of Microwaves,2012,28(1):44-48. |
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| Authors: | CHU Qing-xin KANG Zhi-yong GONG Zhi |
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| Affiliation: | 1(1.School of Electronic and Information Engineering,South China University of Technology,Guangzhou 510640,China; 2.National Key Laboratory of Science and Technology on Space Microwave Technology,Xi’an 710100,China) |
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| Abstract: | A Ka-band eight-way spatial power combiner,which is based on the branch-waveguide coupler and spatial power technology,is presented.The structure has advantages of low insertion-loss,high power combining efficiency,low VSWR and Compact structure.In the range of 31~36GHz band,the measured gain is 17.5~19.5dB,and the average saturate output power is higher than 10W and the operation efficiency is more than 13%.Moreover,the overall power combining efficiency is above 72.5% and the highest power combining efficiency is over 90%. |
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| Keywords: | power amplifier spatial power combiner branch-waveguide coupler waveguide-to- microstrip probe |
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