Multimode synthesis procedure for microwave filters based on thick inductive windows
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Research GroupGrupo Electromagnetismo Aplicado a las Telecomunicaciones
Knowledge AreaTeoría de la Señal y las Comunicaciones
Realizado en/conAgencia Espacial Europea
Bibliographic CitationGUGLIELMI, Marco; MELCÓN, Alejandro y GHERI, Giorgio. Multimode synthesis procedure for microwave filters based on thick inductive windows. En: IEEE MTT-S International Microwave Symposium. 14-18 June, vol. 1, pp. 447-450, Atlanta, Giorgia, USA, 1993.
Filter design techniques
Inductive waveguide filters
For several types of microwave filters for space application it is important to manufacture hardware without tuning elements. For this to be possible, one needs a systematic procedure to codvert ideal elements, such as resonators and impedance inverters, into actual waveguide lengths and discontinuities. The situation is further complicated by the fact that waveguide discontinuities excite higher order modes that interacting with each other can have very strong effects. In this paper we first outline the theory behind a very efficient computer code for the simulation of microwave filters based on thick inductive windows. Then we describe in detail a step-by-step procedure that, based on the code developed, allows for the rapid design of this class of microwave filters without any tuning elements. Two actual examples of design are also discussed and comparisons presented between measurements and simulations.
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