用于w波段FMCW雷达应用的20GHz VCO和倍频器

2014 IEEE 14th Topical Meeting on Silicon Monolithic Integrated Circuits in Rf Systems Pub Date : 2014-06-12 DOI:10.1109/SIRF.2014.6828522

Weihu Wang, Y. Takeda, Yi-Shin Yeh, B. Floyd

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引用次数: 10

摘要

本文提出了一种低噪声科尔皮茨压控振荡器，该振荡器采用变压器谐振腔和20 ~ 40ghz倍频器，适用于76~77GHz远程雷达和77~81GHz近程雷达收发机。为了减少高增益压控振荡器中的电源推压和am - pm噪声转换，采用了差分调谐变压器耦合变容器。VCO和倍频器采用0.12 μm SiGe BiCMOS技术，在37.5-42GHz范围内实现11%的连续调谐，在与40GHz载波偏移1MHz时相位噪声在-103至-106dBc/Hz之间。

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 20GHz VCO and frequency doubler for W-band FMCW radar applications

This paper presents a low-noise Colpitts VCO with transformer-based resonator and a 20-to-40GHz frequency doubler for use in 76~77GHz long-range radar and 77~81GHz short-range radar transceivers. To reduce supply pushing and AM-to-PM noise conversion in the high-gain VCO, a differentially tuned, transformer-coupled varactor is used. Implemented in 0.12-μm SiGe BiCMOS technology, the VCO and doubler achieve an 11% continuous tuning range from 37.5-42GHz, and a phase noise between -103 and -106dBc/Hz at 1MHz offset from the 40GHz carrier.

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来源期刊

2014 IEEE 14th Topical Meeting on Silicon Monolithic Integrated Circuits in Rf Systems

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