A New Class of K-Band High-Q Frequency-Tunable Circular Cavity Filter

Seunggoo Nam; Boyoung Lee; Changsoo Kwak; Juseop Lee

doi:10.1109/TMTT.2017.2778075

A New Class of K-Band High-Q Frequency-Tunable Circular Cavity Filter

Seunggoo Nam, Boyoung Lee, Changsoo Kwak, Juseop Lee

Department of Computer Science and Engineering

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

21 Citations (Scopus)

Abstract

A new type of K-band high-Q frequency-Tunable waveguide filters is proposed in this paper. The presented filter structure adopts a new technique for tuning the resonant frequency of each resonator. A dielectric plate is inserted in each resonator and rotating it leads to the frequency tuning. Unlike the conventional frequency tuning methodologies for tunable waveguide cavity filters, the new frequency tuning technique alleviates the electrical grounding issue for tuning devices. In addition, we demonstrate a new design method that allows the filter to have an absolute constant bandwidth in the frequency tuning range without using tunable coupling structures.

Original language	English
Pages (from-to)	1228-1237
Number of pages	10
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	66
Issue number	3
DOIs	https://doi.org/10.1109/TMTT.2017.2778075
Publication status	Published - 2018 Mar

Bibliographical note

Funding Information:
Manuscript received May 2, 2017; revised September 7, 2017; accepted October 28, 2017. Date of publication December 12, 2017; date of current version March 5, 2018. This work was supported by the Institute for Information and Communications Technology Promotion (IITP) grant funded by the Korean Government (MSIT) (2014-0-00031), Development of Flexible Payload Technologies for Next Satellite Broadcasting and Communications (Corresponding author: Juseop Lee.) S. Nam, B. Lee, and J. Lee are with the Department of Computer and Communications Engineering, Korea University, Seoul, South Korea (e-mail: juseoplee@gmail.com).

Publisher Copyright:
© 1963-2012 IEEE.

Keywords

Bandpass filter
frequency tuning
waveguide cavity filter

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TMTT.2017.2778075

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abstract = "A new type of K-band high-Q frequency-Tunable waveguide filters is proposed in this paper. The presented filter structure adopts a new technique for tuning the resonant frequency of each resonator. A dielectric plate is inserted in each resonator and rotating it leads to the frequency tuning. Unlike the conventional frequency tuning methodologies for tunable waveguide cavity filters, the new frequency tuning technique alleviates the electrical grounding issue for tuning devices. In addition, we demonstrate a new design method that allows the filter to have an absolute constant bandwidth in the frequency tuning range without using tunable coupling structures.",

keywords = "Bandpass filter, frequency tuning, waveguide cavity filter",

author = "Seunggoo Nam and Boyoung Lee and Changsoo Kwak and Juseop Lee",

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N1 - Funding Information: Manuscript received May 2, 2017; revised September 7, 2017; accepted October 28, 2017. Date of publication December 12, 2017; date of current version March 5, 2018. This work was supported by the Institute for Information and Communications Technology Promotion (IITP) grant funded by the Korean Government (MSIT) (2014-0-00031), Development of Flexible Payload Technologies for Next Satellite Broadcasting and Communications (Corresponding author: Juseop Lee.) S. Nam, B. Lee, and J. Lee are with the Department of Computer and Communications Engineering, Korea University, Seoul, South Korea (e-mail: juseoplee@gmail.com). Publisher Copyright: © 1963-2012 IEEE.

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A New Class of K-Band High-Q Frequency-Tunable Circular Cavity Filter

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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