A 200-225-GHz Manifold-Coupled Multiplexer Utilizing Metal Waveguides

被引：93

作者：

Feng, Yinian ^{[1
]}

Zhang, Bo ^{[1
]}

Liu, Yang ^{[1
]}

Niu, Zhongqian ^{[1
]}

Dai, Bingli ^{[1
]}

Fan, Yong ^{[1
]}

Chen, Xiaodong ^{[2
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China

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

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2021年 / 69卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Bandpass filter (BPF); distributed parameter circuits; manifold multiplexer; subterahertz (THz); DESIGN; DIPLEXER; FILTERS;

D O I：

10.1109/TMTT.2021.3119316

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This article presents a 220-GHz four-channel, noncontiguous, and manifold-coupled waveguide multiplexer for future terahertz (THz) multichannel communication application. The multiplexer is composed of four Chebyshev bandpass filters based on metal waveguide technology. Through a unique design in which the tuning dimensional variables are reduced to 14 and a co-design of low-order electromagnetic (EM) distributed models and full-wave EM models, the design optimization is achieved with a good computational efficiency and design accuracy. The proposed multiplexer is fabricated by high-precision computer numerical control (CNC) milling technology, in which the fabrication errors are evaluated to be within +/- 3 mu\mu. The measured results exhibit 1.7 dB of in-band insertion loss and better than 15 dB of average common-port return loss for each of the channel filter. The measured results are all in good agreement with the simulated ones, thereby validating the complete design procedure.

引用

页码：5327 / 5333

页数：7

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