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A three order cross-coupling FSIW (Folded Substrate Integrated Waveguide) cavity filter with three TZs (Transmission Zeroes) is proposed firstly. By the merit of the LTCC (Low-Temperature Co-fired Ceramic) technology, the substrate area occupied by the filter is reduced by approximately 50% compared with the traditional SIW filter, and it still exhibits a sharp frequency selection performance. To...
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