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Design of a 2-pole LTCC filter for wireless communications

Published: 01 March 2004 Publication History

Abstract

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 6.6×6.6×0.836 mm3 in plane.
  1. Design of a 2-pole LTCC filter for wireless communications

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    cover image IEEE Transactions on Wireless Communications
    IEEE Transactions on Wireless Communications  Volume 3, Issue 2
    March 2004
    348 pages

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    IEEE Press

    Publication History

    Published: 01 March 2004

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