KA-BAND RF MEMS PHASE SHIFTERS FOR ENERGY STARVED MILLIMETRE-WAVE RADAR SENSORS

被引：0

作者：

Malmqvist, R. ^{[1
,2
]}

Samuelsson, C. ^{[1
]}

Carlegrim, B. ^{[1
]}

Rantakari, P. ^{[3
]}

Vaha-Heikkila, T. ^{[3
]}

Rydberg, A. ^{[2
]}

Varis, J. ^{[3
]}

机构：

[1] FOI Swedish Def Res Agcy, Linkoping, Sweden

[2] Uppsala Univ, Uppsala, Sweden

[3] VTT Tech Res Ctr Finland, Espoo, Finland

来源：

2010 INTERNATIONAL SEMICONDUCTOR CONFERENCE (CAS), VOLS 1 AND 2 | 2010年

关键词：

Phase shifters; radar; radio frequency microelectromechanical systems; sensors;

D O I：

暂无

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：

Low-loss millimetre-wave RF MEMS phase shifters made on quartz are assessed with respect to a Ka-band low-power multifunctional radar sensor application. A loaded line type of phase shifter circuit presents a phase shift of 22.3 degrees and a loss of 0.4 dB at 35 GHz. A switched line phase shifter gives 187 degrees of phase shift and 1.5 dB of loss at 30 GHz (i.e. a FoM=122 degrees/dB). We estimate that a 5-bit loaded line/switched line MEMS phase shifter circuit can achieve a loss of 4 dB at 35 GHz which could reduce by a factor 2 the required transmit DC power level in a Ka-Band energy starved phased array radar system.

引用

页码：261 / 264

页数：4

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