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A 140 GHz high efficiency frequency doubler based on a physical‐based SDD model of SBD
International Journal of Circuit Theory and Applications ( IF 2.3 ) Pub Date : 2021-03-17 , DOI: 10.1002/cta.2967
Bo Yan 1 , Tianhao Ren 1 , Chenkai Wu 1 , Haomiao Wei 1 , Li Wang 1 , Yu Li 1 , Ruimin Xu 1 , Yong Zhang 1
Affiliation  

In this paper, a physical‐based SDD (symbolically defined devices) model of SBD (Schottky barrier diode) is proposed, in which conventional C‐V characteristics of diode SPICE model are modified by terahertz C‐V characteristics obtained by physical‐based simulation. Detail modeling method and design process are introduced in detail. To verify the accuracy of the SDD model, a 140 GHz high efficiency doubler is designed, fabricated, and measured. The measured maximum efficiency is 34.3% under 90 mW input power, and the 3 dB bandwidth is about 7 GHz, which agrees well with the simulated results. The proposed physical‐based SDD model is demonstrated to be more accurate than traditional diode SPICE model.

中文翻译:

基于SBD基于物理SDD模型的140 GHz高效倍频器

本文提出了基于物理的SBD(符号定义器件)SBD(肖特基势垒二极管)模型,其中二极管SPICE模型的常规C–V特性通过基于物理仿真获得的太赫兹C–V特性进行了修改。详细介绍了详细的建模方法和设计过程。为了验证SDD模型的准确性,设计,制造和测量了140 GHz高效倍频器。在90 mW输入功率下测得的最大效率为34.3%,3 dB带宽约为7 GHz,与仿真结果非常吻合。事实证明,所提出的基于物理的SDD模型比传统的二极管SPICE模型更准确。
更新日期:2021-04-23
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