Design of Dual-Bandpass Hybrid Waveguide–Microstrip Microwave Filters
Copyright policy )Design of Dual-Bandpass Hybrid Waveguide–Microstrip Microwave Filters
A simple dual-bandpass filtering structure is pro- posed. The filter is implemented by means of a new hybrid waveguidemicrostrip technology. The novelty of the structure is that it combines two standard printed microstrip coupled line resonators, with a resonance of the base waveguide cavity, to implement a dual-band operation. Important aspects about the filter design, useful for practical applications are treated. This includes a study on the maximum coupling that can be achieved to the cavity resonance, and guidelines to control the positions of the two passbands and the transmission zeros. Besides, an example has been designed, manufactured and tested. The measurements on the fabricated prototype have confirmed the validity of the new structure to perform dual-band operation.
Ministerio de Educación y Ciencia, Ref. TEC2007-67630-C03-02
- University of Cartagena Colombia
- Polytechnic University of Cartagena Spain
Filtros de doble banda, Tecnología híbrida microfranja guía de onda, Teoría de la Señal y las Comunicaciones, Dual-band filters, Síntesis de filtro de doble banda, Microwave filter, Dual band filter synthesis, Microstrip resonator, Hybrid waveguide microstrip technology, Resonador microfranja, Microwave filters, Dual band filters, Filtros de microondas, Microstrip resonators
Filtros de doble banda, Tecnología híbrida microfranja guía de onda, Teoría de la Señal y las Comunicaciones, Dual-band filters, Síntesis de filtro de doble banda, Microwave filter, Dual band filter synthesis, Microstrip resonator, Hybrid waveguide microstrip technology, Resonador microfranja, Microwave filters, Dual band filters, Filtros de microondas, Microstrip resonators
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