Wilkinson divider smith chart8/26/2023 ![]() ![]() If there is a reactive component in the source impedance, then the load impedance should be a complex conjugate of the source impedance for maximum power transfer. When source resistance equals load resistance, maximum power is transferred. In electronics, maximum power is transferred when the source impedance matches the load impedance. RF circuit Impedance Matching in RF Circuits In this article, we will discuss the importance of impedance matching in RF circuits. Impedance matching in RF circuits is ubiquitous, as it brings the maximum power transfer concept into RF applications. In such systems, an antenna transfers the received RF signal to impedance-matching circuits to maximize power transfer and convert it to DC voltage using a rectifier. Smith charts are one of the traditional methods used for developing impedance-matching networks for RF circuitsĬonsider an RF energy harvesting system that supplies energy for portable electronic circuit operations. When applications demand impedance matching over a wide frequency range, wideband matching networks involving four or more elements are chosen. Impedance matching involves the design of a circuit to be inserted between the source and load for maximum power transfer. ![]()
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