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Piatnitsa V. Jakku E. Leppaevuori S. 《Wireless Communications, IEEE Transactions on》2004,3(2):379-381
This letter outlines the designing and manufacture of a miniaturized bandpass filter realized by low-temperature cofired ceramic (LTCC) technology for wireless products. The bandpass filter with a central frequency of 1950 MHz and a 5% passband is designed as a three-dimensional (3-D) structure based on lumped components. The design technique based on cascading overall circuit into blocks and computer-aided design of electrical circuit is presented. Experimental measurements were compared with modeling. The insertion losses in the passband (100 MHz) were less than 2 dB and the attenuation more than 20 dB in the stopband. The area occupied by the filter is 6.6/spl times/6.6/spl times/0.836 mm/sup 3/ in plane. 相似文献
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