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Unformatted text preview: 5.9 5.9 微波铁氧体元件 一. 概述 概述 1. 什么是铁氧体 什么是铁氧体 • 铁氧体是一种非金属磁性材料,由氧化铁与其它 铁氧体是一种非金属磁性材料, 金属氧化物混合烧结而成。 金属氧化物混合烧结而成。 其中, 分子式为 ⋅ Fe2O3 ,其中,M表示二价金属分 MO 子,在微波波段通常指Mg-Mn、Mg-Mn-Al、 Ni-Zn、Ni-Co、Li等。 • 2. 微波铁氧体的特点 微波铁氧体的特点 (1)电阻率很高(达1011Ω·cm),接近于绝缘体, 电阻率很高( ),接近于绝缘体, 接近于绝缘体 电磁波可以在其中传播。 电磁波可以在其中传播。 损耗小, (2)损耗小,介质损耗角正...
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