Hybrid Wideband Staircase Filters in Rectangular Waveguide With Enhanced Out-of-Band Response
The objective of this article is to describe the design of a new family of wideband filters in a rectangular waveguide based on hybrid couplings and a staircase configuration. The use of <inline-formula> <tex-math notation="LaTeX">E </tex-math></inline-formula>-plan...
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Published in | IEEE transactions on microwave theory and techniques Vol. 69; no. 8; pp. 3783 - 3796 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
New York
IEEE
01.08.2021
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
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Abstract | The objective of this article is to describe the design of a new family of wideband filters in a rectangular waveguide based on hybrid couplings and a staircase configuration. The use of <inline-formula> <tex-math notation="LaTeX">E </tex-math></inline-formula>-plane <inline-formula> <tex-math notation="LaTeX">T </tex-math></inline-formula>-junctions and <inline-formula> <tex-math notation="LaTeX">E </tex-math></inline-formula>-plane folded structures is also discussed, in order to enhance the out-of-band response and the selectivity of the filter with respect to the current state of the art. The design of several hybrid filter prototypes is discussed in detail, including manufacturing sensitivity and high-power analysis. Finally, simulations and measurements for an eight-pole filter prototype are also compared, showing very good agreement, thereby fully validating both the design procedure and the new filter topology that we propose. |
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AbstractList | The objective of this article is to describe the design of a new family of wideband filters in a rectangular waveguide based on hybrid couplings and a staircase configuration. The use of [Formula Omitted]-plane [Formula Omitted]-junctions and [Formula Omitted]-plane folded structures is also discussed, in order to enhance the out-of-band response and the selectivity of the filter with respect to the current state of the art. The design of several hybrid filter prototypes is discussed in detail, including manufacturing sensitivity and high-power analysis. Finally, simulations and measurements for an eight-pole filter prototype are also compared, showing very good agreement, thereby fully validating both the design procedure and the new filter topology that we propose. The objective of this article is to describe the design of a new family of wideband filters in a rectangular waveguide based on hybrid couplings and a staircase configuration. The use of <inline-formula> <tex-math notation="LaTeX">E </tex-math></inline-formula>-plane <inline-formula> <tex-math notation="LaTeX">T </tex-math></inline-formula>-junctions and <inline-formula> <tex-math notation="LaTeX">E </tex-math></inline-formula>-plane folded structures is also discussed, in order to enhance the out-of-band response and the selectivity of the filter with respect to the current state of the art. The design of several hybrid filter prototypes is discussed in detail, including manufacturing sensitivity and high-power analysis. Finally, simulations and measurements for an eight-pole filter prototype are also compared, showing very good agreement, thereby fully validating both the design procedure and the new filter topology that we propose. |
Author | Boria, Vicente E. Guglielmi, Marco Valencia Sullca, Joaquin F. Cogollos, Santiago |
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References | ref13 ref12 li (ref14) 2008 ref15 conciauro (ref27) 2000 ref11 ref10 ref2 snyder (ref1) 2012 ref17 ref16 ref19 ref18 valencia (ref23) 2021 ref24 ref26 ref25 ref20 ref22 ref21 ref8 ref7 ref9 ref4 ref3 ref6 matthaei (ref5) 1980 |
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SubjectTerms | Aggressive space mapping (ASM) bandpass filters Broadband Couplings Electromagnetic wave filters hybrid (inductive and capacitive) irises manifold connections Microwave filters Passband Prototypes Rectangular waveguides Resonators Selectivity staircase configuration Topology Waveguide discontinuities Wideband wideband response |
Title | Hybrid Wideband Staircase Filters in Rectangular Waveguide With Enhanced Out-of-Band Response |
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