A Novel Ku-Band RTD-Based Quadrature VCO for Low Power Applications

被引：14

作者：

Lee, Kiwon ^{[1
]}

Lee, Jooseok ^{[1
]}

Park, Jaehong ^{[1
]}

Yang, Kyounghoon ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2015年 / 25卷 / 05期

关键词：

Low power; phase noise; resonant tunneling diode (RTD); voltage controlled oscillator (VCO); CMOS; OSCILLATOR; TECHNOLOGY;

D O I：

10.1109/LMWC.2015.2409985

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 letter presents the design and fabrication of a Ku-band resonant tunneling diode (RTD)-based quadrature voltage-controlled oscillator (QVCO) with low dc power consumption and good phase noise characteristics using an InP-based RTD/HBT MMIC technology. In order to achieve a low power operation, an InP-based RTD is used for microwave quadrature signal generation based on an excellent inherent negative differential resistance (NDR) characteristic of the RTD achieved at a low applied voltage. The fabricated QVCO core shows a low dc power consumption of 1.46 mW with excellent phase noise of -121.14 dBc/Hz at a 1 MHz frequency offset. The obtained figure-of-merit (FOM) is -202.8 dBc/Hz at an oscillation frequency of 14.6 GHz, which is one of the best values among Ku-band quadrature VCOs reported up to date.

引用

页码：328 / 330

页数：3

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