A 220-GHz Third-Harmonic Mixer Based on Balanced Structure and Hybrid Transmission Line

被引：8

作者：

Ji, Dongfeng ^{[1
]}

Zhang, Bo ^{[1
]}

Yang, Yilin ^{[1
]}

Niu, Zhongqian ^{[1
]}

Yong, Fan ^{[1
]}

Chen, Xiaodong ^{[2
]}

机构：

[1] UESTC, Sch Elect Sci & Engn, Chengdu 611731, Sichuan, Peoples R China

[2] Queen Mary Univ London, Sch Elect Engn & Comp Sci, London E1 4NS, England

来源：

IEEE ACCESS | 2019年 / 7卷

基金：

中国国家自然科学基金;

关键词：

Terahertz; hybrid transmission line; odd harmonics mixer; balanced structure; THZ; GHZ;

D O I：

10.1109/ACCESS.2019.2910170

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a novel 220-GHz third-harmonic mixer, which using a waveguide-fincoplanar waveguide-microstrip line hybrid transmission line as the carrier circuit, based on the balanced structure and the co-directional diode pair. The hybrid transmission line is designed to allow the mixing signals to be input in the correct direction in order to achieve the third-harmonic mixing. Then, high isolation between the radio-frequency (RF) port and the local oscillator (LO) port is performed through the mode orthogonality of the balanced structure. The metal slots on the fin line are used as the matching network for the RF signal to enable the RF signal into the diode pair with low loss. The experimental test results show that the conversion loss of the third-harmonic mixer is better than 18.5 dB in the range of 210-230 GHz and has a tiny fluctuation in the broad range of intermediate frequency (IF).

引用

页码：50007 / 50011

页数：5

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