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Frequency Tunable Antennas And Surface Microwave Imaging System Using Microfluidic Reconfiguration Techniques, Abhishek Dey
Frequency Tunable Antennas And Surface Microwave Imaging System Using Microfluidic Reconfiguration Techniques, Abhishek Dey
USF Tampa Graduate Theses and Dissertations
Reconfigurable radio frequency (RF) devices are attractive for miniaturization of wireless components and systems by handling functionality of multiple distinct devices. Existing reconfiguration techniques rely on device loadings with semiconductor diodes, ferrite/ferroelectric materials, and microelectromechanical system (MEMS) switches and capacitors. However, it is well-recognized that these techniques cannot fully address important system metrics such as high efficiency, wide frequency tuning range, high power handling capability and cost. Therefore, novel alternative techniques are highly desirable to advance the state of the art in reconfigurable RF devices. The aim of this dissertation is to investigate the novel concept of microfluidically loaded reconfigurability …
Microfluidically Reconfigurable Frequency-Agile Rf Filters With Wide Frequency Tuning Range And High Power Handling Capability, Timothy Joseph Palomo
Microfluidically Reconfigurable Frequency-Agile Rf Filters With Wide Frequency Tuning Range And High Power Handling Capability, Timothy Joseph Palomo
USF Tampa Graduate Theses and Dissertations
Radio Frequency (RF) filters are among the key components of today’s multifunctional devices and test equipment. However, the multifuctionality need significantly drives the required filter number and causes large areas to be allocated for filters. To alleviate this issue, over the recent years, reconfigurable filters have been proposed as an attractive alternative. Nevertheless, existing reconfigurable filter technologies demonstrate degraded performances in terms of loss, frequency tunability bandwidth, and power handling capability. This work investigates, for the first time, microfluidic based reconfiguration techniques for implementation of RF bandpass filters. Specifically, microfluidics is shown to provide mechanisms for achieving compact RF bandpass …