<abstract xmlns="http://www.w3.org/1999/xhtml">
<p>In this paper, we study meandered topologies of a dual-mode loop resonator for microwave multiplexer applications. Compact channel filter structures that characterize controllable transmission zeros locating simultaneously at the lower stopband or upper stopband are, for the first time, investigated for such a kind of resonators and based on this, a microstrip triplexer is proposed. The studied triplexer uses one of the filter structures to realize the middle channel, and the rest structure to realize the upper and lower channels. The center frequencies of the three channels are 1.8 GHz, 2.0 GHz and 2.2 GHz, and the 3-dB fractional bandwidths are 3.6%, 3.6% and 4.1%, respectively. The developed triplexer features high channel-isolations of over 40 dB as a result of the controllable transmission zeros of the channel filters. </p>
</abstract>

In this paper, we study meandered topologies of a dual-mode loop resonator for microwave multiplexer applications. Compact channel filter structures that characterize controllable transmission zeros locating simultaneously at the lower stopband or upper stopband are, for the first time, investigated for such a kind of resonators and based on this, a microstrip triplexer is proposed. The studied triplexer uses one of the filter structures to realize the middle channel, and the rest structure to realize the upper and lower channels. The center frequencies of the three channels are 1.8 GHz, 2.0 GHz and 2.2 GHz, and the 3-dB fractional bandwidths are 3.6%, 3.6% and 4.1%, respectively. The developed triplexer features high channel-isolations of over 40 dB as a result of the controllable transmission zeros of the channel filters.

Compact dual-mode loop resonators for microwave triplexer applications 

Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China

Guangxi Key Laboratory of Wireless Wideband Communication and Signal Processing

University of Electronic Science and Technology of China

School of Physics, University of Electronic Science and Technology of China

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Compact dual-mode loop resonators for microwave triplexer applications"}

In this paper, we study meandered topologies of a dual-mode loop resonator for microwave multiplexer applications. Compact channel filter structures that...

Compact dual-mode loop resonators for microwave triplexer applications

Published Online: Aug 29, 2023

Page range: 277 - 281

Received: Apr 07, 2023

DOI: https://doi.org/10.2478/jee-2023-0034

Keywords
Dual-mode resonator, loop resonator, microstrip resonator, microstrip triplexer

© 2023 Jia-Lin Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Compact dual-mode loop resonators for microwave triplexer applications

Published Online: Aug 29, 2023

Page range: 277 - 281

Received: Apr 07, 2023

DOI: https://doi.org/10.2478/jee-2023-0034

KeywordsDual-mode resonator, loop resonator, microstrip resonator, microstrip triplexer

© 2023 Jia-Lin Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Dual-mode resonator, loop resonator, microstrip resonator, microstrip triplexer