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MEMS variable-capacitor phase shifters part II: Reflection-type phase shifters

✍ Scribed by Huantong Zhang; Alexander Laws; K. C. Gupta; Y. C. Lee; Victor M. Bright

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
446 KB
Volume
13
Category
Article
ISSN
1096-4290

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✦ Synopsis

A novel design procedure for reflection-type phase shifters using capacitive devices is developed. Using this approach, a phase shifter for operation at 26.5 GHz is developed using MEMS variable capacitors reported in Part I of this article. A design optimization procedure is discussed. Design of a CPW hybrid at 26.5 GHz (as needed for this phase shifter) is also discussed. Experimental results validate the design procedure and yield a phase shift of 179.30°at 26.5 GHz.

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