Pressure field in the cathode-anode region of a high-power klystron amplifier
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2004-08-30
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The pressure field of a high-power klystron amplifier in the cathode and anode region was investigated. The investigation was performed using a 1.3 GHz, 100 A and 240 kV high-power klystron with five reentrant coaxial cavities, assembled in cylindrical drift tube 1.2 m long. The diffusion equation in mathematical model was also solved by using a 3-D finite element method code, in order to obtain pressure profile in region of interest. The results show that density profile of molecules between cathode-anode region was determined, where cathode pressure is approximately 10% higher than anode pressure.
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Anodes, Boundary conditions, Cathodes, Diffusion, Electric conductance, Finite element method, Gyrotrons, Klystrons, Magnetrons, Mathematical models, Pressure effects, Spectrometers, Vacuum technology, Waveguides, Coaxial cavities, Neumann boundary conditions, Pressure fields, Specific conductance, Power amplifiers
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5Th IEEE International Vacuum Electronics Conference, IVEC 2004, p. 156-157.