一个完全集成的20-500 ghz相干检测器，2赫兹频率分辨率

2020 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS) Pub Date : 2020-11-16 DOI:10.1109/BCICTS48439.2020.9392950

M. Hosseini, A. Babakhani

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引用次数: 1

摘要

本文提出了一种基于片上天线的无振荡器频率梳相干探测器，用于毫米波和太赫兹频率的传感和成像应用。该设计以2赫兹的频率分辨率检测从20 GHz到500 GHz的任意信号。在1khz分辨率带宽(RBW)下测量到−100dbm的峰值灵敏度。频率梳中的频率间隔是可调的，在本工作中设置为4 GHz。这个频率梳被用作片上参考信号(LO频率梳)。这种设计也有梳状散热器的功能。利用该芯片作为收发器，在20-220 ghz频率范围内成功地测量和表征了片对片双频梳。与现有研究的接收机相比，该工作具有相干接收机中最宽的带宽。

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 Fully Integrated 20-500-GHz Coherent Detector with 2-Hz Frequency Resolution

This paper presents an oscillator-free frequency comb-based coherent detector with an on-chip antenna for sensing and imaging applications in millimeter-wave and terahertz frequencies. This design detects arbitrary signals from 20 GHz up to 500 GHz with 2-Hz frequency resolution. A peak sensitivity of −100 dBm is measured with 1 KHz resolution bandwidth (RBW). The frequency spacing in the frequency comb is tunable and set to 4 GHz in this work. This frequency comb is used as an on-chip reference signal (LO frequency comb). This design also functions as a comb radiator. A chip-to-chip dual-frequency comb is successfully measured and characterized in the 20-220-GHz frequency range by using this chip as a transmitter and receiver. Compared with receivers presented in existing studies, this work has the widest bandwidth among coherent receivers.

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2020 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS)

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