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Ansoft Designer / Ansys Designer 在线帮助文档：

Filter Design Tool >
   Technical Notes >
       Design of Ideal Lumped and Distributed Element Filters >
           Frequency Mapping Impedance Renormalization               


Frequency Mapping Impedance Renormalization

The filter impedances are then scaled by the system impedance (or source impedance) in order to finish the design process. When renormalizing the filter impedances, assuming the system impedance is Rs:

•  Capacitance values are divided by Rs

•  Transformer ratios are left untouched

•  All other values (L, Zsc, Zoc, K, etc.) are multiplied by Rs

 



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