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Practical wireless power systems need to address the convenience factor of such systems. Standards such as the A4WP Class 3 have defined a broad coil impedance range that address the convenience factor and can be used as a starting point to compare the performance of the amplifiers. In this installment of WiGaN both the ZVS Class-D and Class-E amplifiers will be tested at 6.78 MHz to the A4WP Class 3 standard.
Even though the eGaN FET was designed and optimized as a power-switching device, it also exhibits good RF characteristics. This article, the first of a two-part series on RF performance, focuses on RF characterization in the frequency range of 200 MHz through 2.5 GHz.
By: Michael de Rooij, Ph.D., Executive Director of Applications Engineering, Efficient Power Conversion
Johan Strydom, Ph.D., Vice President of Applications, Efficient Power Conversion
Matthew Meiller, President, Peak Gain Wireless
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