Theory of the Magnetically Tunable Bandpass Filter.

被引：0
|
作者：
Bex, Hans
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来源：
| 1972年 / 25卷 / 09期
关键词：
GARNETS - MAGNETIC MATERIALS;
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学科分类号：
摘要：
A magnetic field analysis for a magnetic resonance filter using a single-crystal YIG sphere and two coupling loops is given. The impedance matrix of this narrow band tunable filter is derived from a quasistatic point of view. With the aid of the elements of the impedance matrix, the insertion loss and the 3-db bandwidth of the bandpass filter can be expressed as approximation formulas. The tuning range of the bandpass filter is abvout 1 to 12 GHz.
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页码：390 / 394
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