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Radio frequency cavities, or RF cavities, receive RF energy from a klystron and transfer it to electrons as they pass through the cavities on their way around the booster synchrotron and storage ring. Just as in the klystron, RF radiation interacts with electrons, adding energy to increase or maintain their speed.icrowaves are radio waves with a wavelength between about one meter and one millimeter, which are the wavelengths used for radio and television broadcasts as well as radar and microwave ovens.
Applications [edit]. The basic applications of the RF power amplifier include driving to another high power source, driving a transmitting antenna and exciting microwave cavity resonators. Among these applications, driving transmitter antennas is most well known.t is usually optimized to have high efficiency, high output Power(P1dB) compression, good return loss on the input and output, good gain, and optimum heat dissipation. RF amplifiers formerly were all made used vacuum tubes (called valves in some English-speaking countries).