
Wideband matching is a prerequisite nowadays in almost all wireless communication devices. In circuit theory, the basis for matching is traditionally an optimal conjugate matching, but in practical wideband problems, the goal is a predetermined moderate level of mismatch over a maximum frequency band. In this paper, a new practically oriented approach to design a wideband matching circuit is presented. In the approach proposed, an arbitrary, frequency-dependent, real-life load impedance can be illustrated on the Smith chart and a solution is sought through optimization using a commercial circuit simulator. In particular, the versatility of the matching circuit topology is taken into account. The usefulness of this approach is demonstrated for a CCE antenna load which has a diverse and exceptional frequency dependence.
ta115, ta213, ta114, ta221, ta1171, ta216
ta115, ta213, ta114, ta221, ta1171, ta216
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