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Quad-band matching network design with real frequency technique employing frequency transformation

机译:采用频率变换的实频技术四频匹配网络设计

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In this study, a piecewise frequency transformation is presented for quad-band (QB) matching network design. The real frequency direct computational technique RFDCT is incorporated with the generated QB transformation. The proposed approach employs three sequential application of low-pass (LP) to band pass (BP) transformation. Transformation parameters are derived by using a direct LP to QB mapping scheme. RFDCT is used to find the optimum element values of a pre-defined transformer free matching network topology within a nonlinear iteration routine which incorporates the QB transformation. For assigned quad pass-bands, the parameters of QB transformation are also optimized to improve transducer power gain (TPG) of the matching network. A quad-band matching network design example is given to illustrate application of the proposed method.
机译:在这项研究中,提出了针对四频(QB)匹配网络设计的分段频率变换。实际频率直接计算技术RFDCT与生成的QB转换合并在一起。所提出的方法采用低通(LP)到带通(BP)变换的三个顺序应用。转换参数是通过使用直接LP到QB映射方案得出的。 RFDCT用于在包含QB变换的非线性迭代例程中找到预定义的变压器自由匹配网络拓扑的最佳元素值。对于分配的四通带,还优化了QB变换的参数,以提高匹配网络的换能器功率增益(TPG)。给出了一个四频匹配网络设计实例,说明了该方法的应用。

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