SENSITIVITY CONSIDERATIONS FOR INLINE FULLY CANONICAL FILTERS AT KU-BAND
In this paper, a planar inline fully-canonical topology is proposed to reduce sensitivity to fabrication tolerances compared to conventional inline all-pole configurations. Major concerns are related with errors in the absolute positioning of via-holes to ground which affect inter-resonator (mainlin...
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Veröffentlicht in: | Progress in electromagnetics research M Pier M 2020-01, Vol.95, p.125-133 |
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container_title | Progress in electromagnetics research M Pier M |
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creator | Tirado, Jordi Verdu Baro, Ivan Guerrero, Eloi Silveira, Patricia Triano, Angel Junkin, Gary Paco, Pedro de |
description | In this paper, a planar inline fully-canonical topology is proposed to reduce sensitivity to fabrication tolerances compared to conventional inline all-pole configurations. Major concerns are related with errors in the absolute positioning of via-holes to ground which affect inter-resonator (mainline) couplings. The total expanded sensitivity considering variations of the main-line couplings have been obtained for fully and non-fully canonical configurations. The result shows that sensitivity is lower in the case of fully-canonical topologies. Moreover, the allocation of the transmission zeros plays a key role in terms of sensitivity. A prototype has been designed for the Ku-band based on asymmetrical coupled lines obtaining IL =--1.6dB, RL below--18dB, and out-of-band rejection higher than--50 dB. |
doi_str_mv | 10.2528/PIERM20070102 |
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subjects | Design and construction Electric filters Resonators Satellite communications |
title | SENSITIVITY CONSIDERATIONS FOR INLINE FULLY CANONICAL FILTERS AT KU-BAND |
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