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RF phase jitter is a very important parameter for a relativistic klystron amplifier.This parameter is closely linked with the physics processes in the klystron.RF phase jitter is theoretically studied together with Particle in Cell (PIC) simulations in the paper.The main factor is deduced and verified in the PIC simulation.RF phase jitter is significantly affected by the fluctuation of the beam voltage.The relation between the phase jitter and the voltage fluctuation is linear in certain ranges.
RF phase jitter is a very important parameter for a relativistic klystron amplifier. This parameter is closely linked with the physics processes in the klystron. RF phase jitter is theoretically studying together with Particle in Cell (PIC) simulations in the paper. The main factor is deduced and verified in the PIC simulation. RF phase jitter is significantly affected by the fluctuation of the beam voltage. The relation between the phase jitter and the voltage fluctuation is linear in certain ranges.