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|Title||Synthesis of Multiplexers Based on Coupled Resonator Structures Using Coupling Matrix Optimization|
In this thesis, design techniques of coupled resonator circuits used in synthesizing two port filters and three port diplexers are developed to synthesize N port multiplexers. Novel general structures are proposed here and they can achieve an arbitrary number of channels, different responses and various properties and characteristics. The synthesis of the proposed multiplexers is based on optimization approach where the couplings coefficients between resonators presented by coupling matrix are found from optimization techniques by minimizing a cost function. The cost function which is utilized in this thesis has been used previously in literatures. Scattering parameters formulas are derived to suit the N port multiplexers. Different structures with various properties and responses are given and their results prove the ability of the general structure to achieve a massive scale of interesting characteristics and demands. The general structure is a cascade of diplexers which may reduce the complexity of the structure especially during the optimization. This structure has lot of advantages, it has no limits for number of channels and it has no extra resonators or external junctions and power distribution network, also it has a small size.
|Publisher||الجامعة الإسلامية - غزة|
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