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Millimeter-wave LTCC Front-end Module for Highly Integrated Transceiver  

Kim, Bong-Su (Radio Technology Research Group Wide RF Research Team, Electronics and Telecommunication Research Institute(ETRI))
Byun, Woo-Jin (Radio Technology Research Group Wide RF Research Team, Electronics and Telecommunication Research Institute(ETRI))
Kim, Kwang-Seon (Radio Technology Research Group Wide RF Research Team, Electronics and Telecommunication Research Institute(ETRI))
Eun, Ki-Chan (School of Electronic Engineering, ICU)
Song, Myung-Sun (Radio Technology Research Group Wide RF Research Team, Electronics and Telecommunication Research Institute(ETRI))
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.17, no.10, 2006 , pp. 967-975 More about this Journal
Abstract
In this paper, design and implementation of a very compact and cost effective front-end module are presented for IEEE 802.16 FWA(fixed Wireless Access) in the 40 GHz band. A multi-layer LTCC(Low Temperature Co-fred Ceramic) technology with cavity process to achieve excellent electrical performances is used to fabricate the front-end module. The wirebond matching circuit design of switch input/output port and waveguide transition to connect antenna are optimally designed to keep transmission loss low. To reduce the size of the front-end module, the dielectric waveguide filter is developed instead of the metal waveguide filter. The LTCC is composed of 6 layers(with the thickness of a layer of 100 um) having a relative dielectric constant of 7.1. The front-end module is implemented in a volume of $30{\times}7{\times}0.8mm^3$ and shows an overall insertion loss < 5.3 dB, and image rejection value > 49 dB.
Keywords
Millimeter-wave; Front-end; LTCC;
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Times Cited By KSCI : 1  (Citation Analysis)
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