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Design and Analysis of High-power Third-order 3 dB Directional Coupler
Author(s): 
Pages: 30-34
Year: Issue:  13
Journal: Video Engineering

Keyword:  模功率分配器定向耦合器奇偶模分析击穿场强;
Abstract: 根据定向耦合器的工作原理及要求,利用HFSS软件分析并设计了一款以空气为介质的三阶3 dB定向耦合器.并在此基础上,使用具有高电压击穿特性的三氧化二铝陶瓷片作为耦合介质,分析并设计了一款高功率三阶3 dB介质定向耦合器.此介质耦合器在保证足够带宽的前提下,能够提高耦合器的耐压性能,实现了定向耦合器的高功率耦合,从而可以应用于广播电视台大功率(数十千瓦)发射机中.
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