In the title paper, the authors proposed the model of the directional coupler using electrical balance based on a pair of coupled lines and presented its analysis. It is shown that the proposed equivalent circuit is incomplete without additional transmission line sections, and the analysis based on it cannot justify the claimed coupler performance or the design equations. A correct circuit model and the design equations are presented for the proposed coupler.

中文翻译：

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对“使用电平衡的非对称 2.4-GHz 定向耦合器”的评论

在标题论文中，作者提出了基于一对耦合线的使用电平衡的定向耦合器模型并对其进行了分析。结果表明，如果没有额外的传输线部分，所提出的等效电路是不完整的，基于它的分析无法证明所声称的耦合器性能或设计方程是合理的。提出了所提出的耦合器的正确电路模型和设计方程。