面向未来太赫兹通信的300GHz正交下变频S-MMIC

2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS) Pub Date : 2019-11-01 DOI:10.1109/COMCAS44984.2019.8958300

I. Dan, C. Grötsch, B. Schoch, S. Wagner, L. John, A. Tessmann, I. Kallfass

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引用次数: 3

摘要

提出了一种中心频率为300GHz的高宽带正交下变频器和带宽为80GHz的低噪声放大器(LNA)。工作频率在235GHz和315GHz之间，可用于未来的无线高数据速率应用。亚毫米波单片集成电路(s - mmic)采用基于InAlAs/InGaAs的35nm高电子迁移率晶体管(mHEMT)技术实现。下变频器集成了一个四倍频器、一个缓冲放大器和一个无源基波I/Q混频器，转换增益为-15dB，射频带宽为60GHz。低噪声放大器在3dB带宽上的平均增益为26dB。因此，通过结合下变频器和LNA，接收器的总转换增益达到11dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 300GHz Quadrature Down-Converter S-MMIC for Future Terahertz Communication

This paper presents a highly broadband quadrature down-converter with a center frequency of 300GHz and a low-noise amplifier (LNA) with a bandwidth of 80GHz. The operation frequency between 235GHz and 315GHz enables the usage in future wireless high data rate applications. The submillimeter-wave monolithic integrated circuits (S-MMICs) are realized using a 35nm metamorphic high electron mobility transistor (mHEMT) technology based on InAlAs/InGaAs. The down-converter integrates a frequency multiplier by four, a buffer amplifier and a passive fundamental I/Q mixer and reaches a conversion gain of -15dB and an RF bandwidth of 60GHz. The low-noise amplifier has an average gain of 26dB over the 3dB bandwidth. A total conversion gain of the receiver of 11dB is therefore reached by combining the down-converter and the LNA.

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来源期刊

2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS)

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