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Web application for planar filter design
Sýkora, Vlastimil ; Kadlec, Petr (referee) ; Raida, Zbyněk (advisor)
This bachelor thesis deals with the development of web application for the design of planar filters. The application is written in Python. The thesis was aimed to create a script for simplified filter synthesis, based on the type of filter, its order, and chosen approximation. Initially, an equivalent circuit is constructed and a planar implementation for a given microwave substrate is proposes. The first part of the thesis is devoted to the brief theory required for the design of a simple planar circuit. The second part of this thesis deals with the development of the application itself. The function of input and ouput blocks is described here. The second part also includes description of computational scripts, including examples of the source code, for each filter type, where a different design method is used with a brief additional theory. The third part contains the design of four prototype filters of different types, their simulation in Ansys HFSS, and evaluation of obtained results.
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