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Tolerance-Optimized RF Structures in LTCC for mm-Wave Frequencies Applications

J. Balcells-Ventura, T. Klein, P. Uhlig, C. Günner, R. Kulke

Journal of Ceramic Science and Technology, Vol. 6, No. 4 (2015), pp. 267-272

DOI: 10.4416/JCST2015-00058

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Abstract

Low-Temperature Co-fired Ceramic (LTCC) is a well-established technology for microwave space products and RF structures and it is a good candidate for these new frequency bands. Embedded passives are available to increase the density of integration even more. At higher frequencies, structures become smaller and more prone to process tolerances. This challenge is addressed here with two novel mm-wave tolerance-optimized RF concepts in LTCC: load termination and Gysel power splitter. The concept presented here minimizes the effect of fabrication tolerances to provide stable RF response.

Keywords

LTCC, tolerances, Gysel power splitter

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