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LTCC bandpass filter using 3D coupled helical inductors

✍ Scribed by SeungChul Choi; JungEun Youm; Keun Heo; JuHwan Lim; ChulSoon Park; SungWoo Hwang

Book ID
102523038
Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
132 KB
Volume
49
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A new low‐temperature co‐fired ceramic (LTCC) bandpass filter using three‐dimensionally coupled helical inductors is presented. The resonator is a via‐connected multilayer helical inductor and the filter uses mixed coupling between face‐to‐face inductors. The fabricated filter exhibits the center frequency of 5.8 GHz, 3‐dB bandwidth of 800 MHz, and the insertion loss of 1.9 dB. The size of the active region is 1.7 × 2.3 × 0.8 mm^3^. The measured results are consistent with the three‐dimensional electromagnetic simulation and the equivalent circuit modeling. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1146–1147, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI.10.1002/mop.22366

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