A typical page of a textbook on microwave filters looks like this or this.
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Examples of microwave filter use are found in satellite communications, telephone networks, and television broadcasting.
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Yttrium oxide is also used to make yttrium iron garnets, which are very effective microwave filters.
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Real microwave filters with inline coupling topology as opposed to their prototypes may have transmission zeroes in stopbands.
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Drawing on his expertise, he co-authored a book ( with Chandra Kudsia ) titled Microwave Filters for Communications Systems.
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The simplest resonator structure that can be used in rf and microwave filters is an LC tank circuit consisting of parallel or series inductors and capacitors.
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More recently, superconductors have been used to make digital circuits based on rapid single flux quantum technology and RF and microwave filters for mobile phone base stations.
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-- SUPERCONDUCTING CONTRACT : Conductus Inc . ( NSDQ : CDTS ) says it was awarded a contract from the Naval Research Laboratory to develop a high-power superconducting microwave filter for use in the wireless communications industry.
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