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2010•2010 IEEE MTT-S International Microwave SymposiumRequires access

Combline filter with tunable bandwidth and centre frequency

A Abunjaileh, Ian C. Hunter

Open publisher page 3 citations

Abstract

A new method for the design of tunable bandpass filters is presented. It is based on a dual-band combline structure. One of the passband responses centre frequency and bandwidth can be tuned without the need for coupling adjustment, while the other passband can be shifted up in frequency or filtered out. A prototype design has been constructed, and measured results shows wide tuning range and over 300% bandwidth adjustment range, clearly demonstrate the principle.

About this research paper

What this paper is about

A new method for the design of tunable bandpass filters is presented. It is based on a dual-band combline structure. One of the passband responses centre frequency and bandwidth can be tuned without the need for coupling adjustment, while the other passband can be shifted up in frequency or filtered out. A prototype design has been constructed, and measured results shows wide tuning range and over 300% bandwidth adjustment range, clearly demonstrate the principle.

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OpenAlex reports 3 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A new method for the design of tunable bandpass filters is presented. It is based on a dual-band combline structure. One of the passband responses centre frequency and bandwidth can be tuned without the need for coupling adjustment, while the other passband can be shifted up in frequency or filtered out. A prototype design has been constructed, and measured results shows wide tuning range and over 300% bandwidth adjustment range, clearly demonstrate the principle.

Key concepts: Passband, Bandwidth (computing), Band-pass filter, Electronic engineering, Prototype filter, Filtering theory, Computer science, Center frequency

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