Shang, Xiaobang, Wang, Yi, Xia, Wenlin and Lancaster, M.J. (2013) Novel multiplexer topologies based on all-resonator structures. IEEE Transactions on Microwave Theory and Techniques, 61 (11). pp. 3838-3845. ISSN 0018-9480 (doi:https://doi.org/10.1109/TMTT.2013.2284496)

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Abstract

This paper presents two novel multiplexer topologies based on all-resonator structures. Such all-resonator structures remove the need for conventional transmission-line-based splitting networks. The first topology is a diplexer with transmission zeros in the guard band, shared by both channels. These transmission zeros are generated by introducing a cross coupling in a quadruplet in resonators common to both channels. A twelfth-order diplexer with a pair of transmission zeros is presented here as an example. The second topology is a multiplexer with a bifurcate structure that limits the connections to any resonator to three or less, regardless of the number of output channels. A sixteenth-order four-channel multiplexer is presented as an example. Both topologies have been demonstrated at $X$ -band using waveguide technology. Good agreements between measurements and simulations have been achieved.

Item Type:	Article
Uncontrolled Keywords:	couplings, filtering theory, multiplexing, passband, resonant frequency, topology, transmission line matrix methods, coupling matrix optimization, diplexer, multiplexer, resonator filters
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments:	School of Engineering School of Engineering > Department of Computer & Communications Engineering School of Engineering > Mobile & Wireless Communications Research Laboratory
Related URLs:	Publisher
Last Modified:	14 Oct 2016 09:25
URI:	http://gala.gre.ac.uk/id/eprint/10485

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