| 0.22 THz宽带混频电路研究 |
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| 引用本文： | 王俊龙,杨大宝,邢东,梁士雄,张立森,赵向阳,徐鹏,冯志红.0.22 THz宽带混频电路研究[J].红外与激光工程,2017,46(11):1125003-1125003(4). |
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| 作者姓名： | 王俊龙 杨大宝 邢东 梁士雄 张立森 赵向阳 徐鹏 冯志红 |
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| 作者单位： | 1.专用集成电路重点实验室,河北 石家庄 050051; |
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| 摘 要： | 基于中国电子科技集团公司第十三研究所的反向并联肖特基二极管，采用电磁场和电路软件联合仿真，完成了0.22 THz分谐波混频电路设计。在固定中频输出频率10 MHz的条件下测试了混频电路的变频损耗，在175~235 GHz共60 GHz带宽内双边带变频损耗小于15 dB，在196 GHz处最佳变频损耗为8.5 dB。测试结果与仿真结果趋势吻合良好。基于冷热负载，测试了分谐波混频电路的噪声温度，当本振功率为5.7 mW时，在216 GHz处双边带噪声温度为1 200 K。
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| 关 键 词： | 太赫兹 混频 肖特基二极管 模型 |
| 收稿时间： | 2017-03-05 |
Research of 0.22 THz wide-band mixing circuit |
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| Affiliation: | 1.National Key Laboratory of Application Specific Integrated Circuit,Shijiazhuang 050051,China;2.The 13 th Research Institute of China Electronics Technology Group Corporation,Shijiazhuang 050051,China |
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| Abstract: | The design of a 0.22 THz sub-harmonically pumped mixer circuit was demonstrated. The circuit was based on anti-parallel pair of planar Schottky diodes from the CETC 13 with the co-simulation of electromagnetic(EM) software and circuit software. The conversion loss was measured at the fixed intermediate frequency(IF) of 10 MHz. The double sideband(DSB) conversion loss is less than 15 dB in the range of 175 GHz to 235 GHz, the bandwidth is 60 GHz. The best DSB conversion loss is 8.5 dB at 196 GHz. The measured result was well with the simulated result. The DSB equivalent noise temperature of is 1 200 K at 216 GHz with the local oscillator(LO) power of 5.7 mW. |
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