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A compact LTCC multilayer multiport stripline coupler network for wideband low loss power combining/splitting

This paper describes the design, fabrication and test of a compact multilayer stripline 8-14 GHz 6-way combining network using Low Temperature Cofired Ceramic (LTCC). The design evolved through circuit modeling and EM field simulation and features the novel integration of several microwave circuit structures both cascaded and vertically stacked in a multilevel LTCC stripline assembly.