Dual-band Microwave Components And Their Applications

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In general, Dual-Band technology enables microwave components to work at two different frequencies. This thesis introduces novel dual-band microwave components and their applications. Chapter 2 presents a novel compact dual-band balun (converting unbalanced signals to balanced ones). The ratio between two working frequencies is analyzed. A novel compact microstrip crossover (letting two lines to cross each other with very high isolation) and its dual-band application is the subject of chapter 3. A dual-frequency cloak based on lumped LC-circuits is introduced in chapter 4. In chapter 5, a dual-band RF device to detect dielectric constant changes of liquids in polydimethylsiloxane (PDMS) ... continued below

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Shao, Jin December 2011.

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  • Shao, Jin

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Description

In general, Dual-Band technology enables microwave components to work at two different frequencies. This thesis introduces novel dual-band microwave components and their applications. Chapter 2 presents a novel compact dual-band balun (converting unbalanced signals to balanced ones). The ratio between two working frequencies is analyzed. A novel compact microstrip crossover (letting two lines to cross each other with very high isolation) and its dual-band application is the subject of chapter 3. A dual-frequency cloak based on lumped LC-circuits is introduced in chapter 4. In chapter 5, a dual-band RF device to detect dielectric constant changes of liquids in polydimethylsiloxane (PDMS) microfluidic channels has been presented. Such a device is very sensitive, and it has significantly improved the stability. Finally, conclusion of this thesis and future works are given in chapter 6.

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  • December 2011

Added to The UNT Digital Library

  • Oct. 2, 2012, 4:18 p.m.

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  • Nov. 16, 2016, 3:49 p.m.

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Shao, Jin. Dual-band Microwave Components And Their Applications, thesis, December 2011; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc103391/: accessed June 29, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .