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

Seyed Mostafa Mousavi; Javad Soleiman Meiguni; David Pommerenke

doi:10.2528/PIERL22011304

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

Seyed Mostafa Mousavi, Javad Soleiman Meiguni, David Pommerenke

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
Journal	Progress In Electromagnetics Research Letters
Volume	102
DOIs	https://doi.org/10.2528/PIERL22011304
Publication status	Published - 1 Jan 2022
Externally published	Yes

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http://www.jpier.org/PIERL/pier.php?paper=22011304

Cite this

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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 = "Mousavi, {Seyed Mostafa} and Meiguni, {Javad Soleiman} and David Pommerenke",

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AU - Meiguni, Javad Soleiman

AU - Pommerenke, David

PY - 2022/1/1

Y1 - 2022/1/1

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.

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DO - 10.2528/PIERL22011304

M3 - Article

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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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