| 140 GHz基于CPWG单平衡基波混频GaAs集成电路 |
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| 引用本文： | 蒋 均,陆 彬,何 月,曾建平,缪 丽,邓贤进,张 健.140 GHz基于CPWG单平衡基波混频GaAs集成电路[J].太赫兹科学与电子信息学报,2018,16(3):369-373. |
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| 作者姓名： | 蒋 均 陆 彬 何 月 曾建平 缪 丽 邓贤进 张 健 |
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| 作者单位： | a.Institute of Electronic Engineering，China Academy of Engineering Physics, Mianyang Sichuan 621999，China；b.Microsystem & Terahertz Research Center，China Academy of Engineering Physics，Chengdu Sichuan 610200，China,a.Institute of Electronic Engineering，China Academy of Engineering Physics, Mianyang Sichuan 621999，China；b.Microsystem & Terahertz Research Center，China Academy of Engineering Physics，Chengdu Sichuan 610200，China,a.Institute of Electronic Engineering，China Academy of Engineering Physics, Mianyang Sichuan 621999，China；b.Microsystem & Terahertz Research Center，China Academy of Engineering Physics，Chengdu Sichuan 610200，China,a.Institute of Electronic Engineering，China Academy of Engineering Physics, Mianyang Sichuan 621999，China；b.Microsystem & Terahertz Research Center，China Academy of Engineering Physics，Chengdu Sichuan 610200，China,a.Institute of Electronic Engineering，China Academy of Engineering Physics, Mianyang Sichuan 621999，China；b.Microsystem & Terahertz Research Center，China Academy of Engineering Physics，Chengdu Sichuan 610200，China,a.Institute of Electronic Engineering，China Academy of Engineering Physics, Mianyang Sichuan 621999，China；b.Microsystem & Terahertz Research Center，China Academy of Engineering Physics，Chengdu Sichuan 610200，China and a.Institute of Electronic Engineering，China Academy of Engineering Physics, Mianyang Sichuan 621999，China；b.Microsystem & Terahertz Research Center，China Academy of Engineering Physics，Chengdu Sichuan 610200，China |
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| 基金项目： | 国家重点基础研究发展计划(973计划)资助项目(2015CB755406)；国防基础科研计划资助项目(JCKY2016212C045，JCKY2017212C002) |
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| 摘 要： | 通过在300 μm厚度的GaAs衬底条件下，利用共面波导传输线实现了基波混频集成电路设计。利用半导体分析仪测试I-U和C-U曲线，并成功提取了相应的肖特基二极管模型。结合建立的肖特基二极管模型，代入Lange耦合器、中频结构和匹配网络等实现了140 GHz零中频基波混频片上电路，并加入了地-信号-地(GSG)测试封装。最终仿真结果表明：在固定中频1 GHz的条件下，变频损耗最优为-7 dB，3 dB带宽大于40 GHz。
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| 关 键 词： | 太赫兹 基波混频 零中频 厚基板 共面波导 |
| 收稿时间： | 2017/3/5 0:00:00 |
| 修稿时间： | 2017/4/7 0:00:00 |
140 GHz single-balance fundamental mixer design based on CPWG GaAs IC |
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| JIANG Jun,LU Bin,HE Yue,ZENG Jianping,MIAO Li,DENG Xianjin and ZHANG Jian.140 GHz single-balance fundamental mixer design based on CPWG GaAs IC[J].Journal of Terahertz Science and Electronic Information Technology,2018,16(3):369-373. |
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| Authors: | JIANG Jun LU Bin HE Yue ZENG Jianping MIAO Li DENG Xianjin and ZHANG Jian |
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| Abstract: | A kind of fundamental mixer integrated circuit design under thick GaAs substrate is introduced by coplanar waveguide transmission line. The I-U and C-U curves are measured by a semiconductor, and the Schottky diode model is successfully extracted. Schottky diode is modeled and the Lange coupler, Intermediate Frequency(IF) circuit and match network are designed in zero-IF 140 GHz fundamental mixer on-chip circuit. Simulation results show that under a fixed intermediate frequency of 1 GHz, the best conversion loss is 7 dB, and 3 dB bandwidth is greater than 40 GHz. |
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