High Power Amplifer Prototype for Wireless Power Transmission Reception
نویسنده
چکیده
The design of high power microwave amplifier involves three main components; namely the two port network, input matching and output matching circuits. All the components are formed by establishing the scattering parameters, followed by selecting appropriate reflection coefficient for the matched circuits. The characteristics of the design are based on Wireless Power Transmission prototype for the Solar Power Satellite. These are 13 dB gain, 16 dBm output power and narrowband frequency of operation of 2.45 GHz ISM (Industrial, Scientific and Medical) standard. The active element of the amplifier is Gallium Arsenide microwave transistor operating at 2.2 to 2.6 GHz. By using a mathematical computation software, the load and source reflection coefficients are found to be 0.213 and 0.19-0.23i, respectively. These agree well with manual calculations performed earlier. The reflection coefficients formulations have been derived from that of the transducer gain (GT) for developing the input and output matching circuits.
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