Microwave frequency thin BST film based tunable shunt and series interdigital capacitor device design

Date of Award


Degree Name

M.S. in Electrical Engineering


Department of Electrical and Computer Engineering


Advisor: Guru Subramanyam


This research covers novel interdigital capacitor designs and explores the different parameters affecting the Capacitors electrical characteristics of the devices. Interdigitated capacitors were designed using parallel electrodes in series and in shunt configurations. The main purpose of these devices is to enhance the tunability as compared to conventional IDCs while retaining the high voltage bias capability. The new devices were designed and simulated using Advance Wireless Research (AWR) software, fabricated using PLD technique, tested and analyzed using HP8720 Network analyzer and AWR software respectively. During this thesis, we successfully demonstrated the new parallel plate IDC devices with higher tunability and high voltage bias capability.


Capacitors Electric properties, Capacitors Design and construction, Thin films Industrial applications

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