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大家知道,3路以上的 N 路功率分配器有 M 个区间,每个区间采用 N 条无分布耦合的传输线和 Y 形连接的电阻形成的吸收电阻构成。本文介绍的平面结构 N 路等分功率分配器,是采用 N 条分布耦合传输线(或无分布耦合的 N 条分布参数传输线)和与不同于Y 形连接的电阻形成的吸收电阻构成。以前,平面结构的 N 路功率分配器,是由2路功率分配器组合构成。用本文提出的设计方法设计的3路和4路功率分配器,与用以前的方法得到的3路和4路功率分配相比,在尺寸相同的情况下,前者的带宽比后者宽。本文用新设计方法试制的平面结构3路功率分配,测试结果表明,实际特性与理论特性非常一致。
We all know, N Road, more than 3 power splitters have M intervals, each using N non-distributed coupling transmission lines and resistors connected Y-shaped resistance formed by the absorption. In this paper, the planar N-way split power splitter is composed of N distributed coupling transmission lines (or N distributed distribution transmission lines without distributed coupling) and absorption resistors formed by resistors different from the Y-connected ones. Previously, the planar structure of the N-way power divider is composed of 2-way power divider. The 3-way and 4-way power dividers designed with the proposed method proposed in this paper have wider bandwidths than the latter in the case of the same size compared with the 3-way and 4-way power distribution obtained by the previous method. In this paper, a three-way power distribution of a planar structure prototyped by the new design method is tested. The test results show that the actual characteristics are in good agreement with the theoretical characteristics.