A 380-420 MHz Two Pole tunable filter using new ferroelectric composite capacitors

Abstract : This paper presents the design, the fabrication and the measures of a two-pole tunable band-pass filter. The design filter consists of two microstrip resonators loaded by ferroelectric MIM (Metal-Insulator-Metal) capacitors. The capacitors use the Barium Strontium Titanate (BST) ceramics doped by 1% Manganese. The filter tunes from 385 MHz to 420 MHz under 0-380 V of bias. The insertion loss is -2.9 dB at zero bias (385 MHz) and the return loss is - 11 dB at 420 MHz.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-00619327
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Submitted on : Tuesday, September 6, 2011 - 10:43:06 AM
Last modification on : Tuesday, November 12, 2019 - 2:06:03 PM

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  • HAL Id : hal-00619327, version 1

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Fiffamen Houndonougbo, Romain Costes, Ji Fan, Aurelian Crunteanu, Valérie Madrangeas, et al.. A 380-420 MHz Two Pole tunable filter using new ferroelectric composite capacitors. EuMW 2010, European Microwave Week, Sep 2010, Paris, France. pp.1134 - 1137. ⟨hal-00619327⟩

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