Study on the Effect of the Feedline Inductance in Wideband Tunable Band Pass Combline Filters

Seyedmostafa Mousavi; Javad Meiguni; David Johannes Pommerenke

doi:10.2528/PIERL22011304

Study on the Effect of the Feedline Inductance in Wideband Tunable Band Pass Combline Filters

Seyedmostafa Mousavi^*
, Javad Meiguni
, David Johannes Pommerenke

^*Corresponding author for this work

Institute of Electronics (4390)

Research output: Contribution to journal › Article › peer-review

Abstract

This letter proposes a novel analysis and design method of a continuously adjustable bandpass combline filter. It investigates the feedline design specifications and introduces an external quality factor (Qext) tuning structure to achieve a constant fractional bandwidth over 60% tuning bandwidth. The design approach allows to determine the optimum feedline structure for the filter and is verified by full-wave simulation and measurement. The results show a constant fractional bandwidth of 4.5% over the entire operating frequency range between 225-400 MHz.

Original language	English
Pages (from-to)	25-30
Number of pages	6
Journal	Progress In Electromagnetics Research Letters
Volume	103
DOIs	https://doi.org/10.2528/PIERL22011304
Publication status	Published - 15 Feb 2022

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title = "Study on the Effect of the Feedline Inductance in Wideband Tunable Band Pass Combline Filters",

abstract = "This letter proposes a novel analysis and design method of a continuously adjustable bandpass combline filter. It investigates the feedline design specifications and introduces an external quality factor (Qext) tuning structure to achieve a constant fractional bandwidth over 60\% tuning bandwidth. The design approach allows to determine the optimum feedline structure for the filter and is verified by full-wave simulation and measurement. The results show a constant fractional bandwidth of 4.5\% over the entire operating frequency range between 225-400 MHz.",

author = "Seyedmostafa Mousavi and Javad Meiguni and Pommerenke, \{David Johannes\}",

year = "2022",

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doi = "10.2528/PIERL22011304",

language = "English",

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journal = "Progress In Electromagnetics Research Letters",

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T1 - Study on the Effect of the Feedline Inductance in Wideband Tunable Band Pass Combline Filters

AU - Mousavi, Seyedmostafa

AU - Meiguni, Javad

AU - Pommerenke, David Johannes

PY - 2022/2/15

Y1 - 2022/2/15

N2 - This letter proposes a novel analysis and design method of a continuously adjustable bandpass combline filter. It investigates the feedline design specifications and introduces an external quality factor (Qext) tuning structure to achieve a constant fractional bandwidth over 60% tuning bandwidth. The design approach allows to determine the optimum feedline structure for the filter and is verified by full-wave simulation and measurement. The results show a constant fractional bandwidth of 4.5% over the entire operating frequency range between 225-400 MHz.

AB - This letter proposes a novel analysis and design method of a continuously adjustable bandpass combline filter. It investigates the feedline design specifications and introduces an external quality factor (Qext) tuning structure to achieve a constant fractional bandwidth over 60% tuning bandwidth. The design approach allows to determine the optimum feedline structure for the filter and is verified by full-wave simulation and measurement. The results show a constant fractional bandwidth of 4.5% over the entire operating frequency range between 225-400 MHz.

U2 - 10.2528/PIERL22011304

DO - 10.2528/PIERL22011304

M3 - Article

SN - 1937-6480

VL - 103

SP - 25

EP - 30

JO - Progress In Electromagnetics Research Letters

JF - Progress In Electromagnetics Research Letters

ER -

Study on the Effect of the Feedline Inductance in Wideband Tunable Band Pass Combline Filters

Abstract

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