Suppression of spurious modes for performance enhancement of hybrid planar∕NRD-guide integrated circuits

Tang, Jinbang; Deslandes, Dominic; Wu, Ke

doi:10.1049/ip-map:20030662

Cited by 3 publications

(1 citation statement)

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“…Such electrical performance of the three parts can be modeled with commercial software separately and Sparameters of the whole structure can be obtained by cascading the three parts. For a compact filter design, we expect that the NRD guide feed-line is as short as possible, also suggesting that the use of a spurious mode suppressing technique becomes unnecessary [5,6]. Moreover, in this case, the NRD guide not only acts as feed-line, but also acts as resonators.…”

Section: Introductionmentioning

confidence: 99%

Design and analysis of microstrip-line-coupled NRD guide filter based on integral equation techniques

Boone

2009

Int J RF and Microwave Comp Aid Eng

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Integral equation techniques which include an order-reduced volume integral equation approach for NRD guide circuits and a generalized surface-volume integral equation approach for planar-NRD guide hybrid circuits have been presented in this article. A gap-coupled NRD guide filter is designed based on the order-reduced volume integral equation method. The two identical high-quality microstrip-line-to-NRD guide transitions are designed by means of the generalized surface-volume integral equation approach. Finally, the optimized length of the NRD guide feed-line is determined and a compact microstripline-coupled NRD filter is obtained. Simulated results are in good agreement with measured results.

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Section: Introductionmentioning

confidence: 99%