Ridge Waveguide Divider Junctions for Wide-Band Multiplexer Applications

TitleRidge Waveguide Divider Junctions for Wide-Band Multiplexer Applications
Publication TypeConference Paper
Year of Publication2006
AuthorsZhang, Y., J. A. Ruiz-Cruz, and K. A. Zaki
Conference Name2006 IEEE MTT-S International Microwave Symposium Digest
Date PublishedJune
Keywordslow-temperature co-fired ceramics, mode matching, mode matching method, multiplexing equipment, ridge waveguide divider junctions, ridge waveguides, waveguide junctionsLTCC technology, wide-band diplexer, wide-band multiplexer applications, wide-band triplexer
AbstractRidge waveguide divider junctions are introduced and applied to wide-band multiplexer applications. A rigorous analysis and optimization process by mode matching method (MMM) is employed to design the junctions that yield low reflection coefficient in common port and almost equal transmission coefficients in the other two ports over a wide frequency band. Two design examples of wide-band diplexer and triplexer using such junctions are presented. All the components involved in the diplexer/triplexer designs are rigorously modeled and cascaded by MMM. Optimization procedures by MMM are also applied in these two designs to improve the performance. Multiplexers using such junctions can be built in either metallic form or low-temperature co-fired ceramic (LTCC) technology