Journal
IEEE TRANSACTIONS ON ADVANCED PACKAGING
Volume 31, Issue 4, Pages 794-801Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TADVP.2008.2004415
Keywords
Band-pass filter; broadside-coupled; edge-coupled; frequency multiplexing; triplexer; ultra-wideband (UWB)
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Funding
- Ericsson AB, Sweden
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A fully integrated triplexer for multiband ultra-wideband radio is presented. The triplexer utilizes a microstrip network and three combined broadside- and edge-coupled filters. It is fully integrated in a printed circuit board with low requirements on the printed circuit board process tolerance. Three flat subbands in the frequency band 3.1-4.8 GHz have been achieved. The group delay variation within each 500-MHz subband was measured to be around 1 ns. A good agreement between simulation and measurement was obtained.
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