This paper explained the work theory and the process of design about the parallel coupled line directional coupler.
阐述了平行耦合线定向耦合器的工作原理和设计过程。
The design principle is analysed for band-pass filters using three parallel coupled-lines and the related design curves are given.
本文分析了三线平行耦合线带通滤波器的设计原理，给出了有关设计曲线。
The parasitic passband of microstrip bandpass filters using parallel coupled SIR (Stepped Inpedance Resonators) is analyzed in this paper.
本文分析微带SIR(阶梯阻抗谐振器)带通滤波电路的寄生通带问题。
Both the transfer functions of "series-coupled" and "parallel-coupled" multi-ring high order filters are derived using the transfer matrix method.
利用传输矩阵法推导了环与环间通过串联耦合和并联耦合两种方式形成的多环高阶谐振滤波器的传输函数公式。
Both the transfer functions of "series-coupled" and "parallel-coupled" multi-ring high order filters are derived using the transfer matrix method.
利用传输矩阵法推导了环与环间通过串联耦合和并联耦合两种方式形成的多环高阶谐振滤波器的传输函数公式。
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