Phase Locked BWO System for Open Resonator Measurement in D-Band

被引：5

作者：

Gao, Yuanci ^{[1
,2
]}

Jones, C. R. ^{[1
]}

Dutta, J. M. ^{[1
]}

机构：

[1] N Carolina Cent Univ, Dept Phys, Durham, NC 27707 USA

[2] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 610054, Sichuan, Peoples R China

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2009年 / 19卷 / 09期

基金：

美国国家科学基金会;

关键词：

Backward-wave oscillators (BWOs); frequency conversion; millimeter wave; phase-locked loop (PLL); MILLIMETER; ABSORPTION; RANGE; POWER;

D O I：

10.1109/LMWC.2009.2027098

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：

The combination of a D-Band phase-locked backward-wave oscillator (BWO) with a spectrum analyzer for measurement of permittivity and low loss-tangent is presented. For measuring low loss tangent material, such as CVD diamond and high purity semi-insulating (HPSI) 4H - SIC, at millimeter wave ranges, it is necessary to precisely measure an increase of a few kHz in a line-width of 200 kHz. We describe a phase-locked loop with frequency conversion that combines a BWO source and a microwave spectrum analyzer to obtain line-width measurements with less than 2 kHz (less than 1%) standard deviation in D-Band millimeter wave.

引用

页码：599 / 601

页数：3

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