Method and device for eliminating amplitude-phase control interference in self-excitation mode
A technology of amplitude-phase control and phase control, which is applied to electric controllers, controllers with specific characteristics, electrical components, etc. to avoid crosstalk in amplitude-phase control and improve control accuracy and stability.
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[0026] This embodiment provides a method and device for eliminating amplitude and phase control crosstalk in a low-level control system of a 100MeV high-current cyclotron radio frequency acceleration system using a self-excited mode.
[0027] The radio frequency acceleration system of the 100MeV strong current cyclotron includes: a high stability frequency continuously adjustable frequency source, two 100kW radio frequency power sources, two independent resonant cavities and two sets of low-level control systems.
[0028] The reference signal of the 100MeV radio frequency system is generated by Direct Digital Synthesis (DDS) technology, and the reference clock of DDS is a highly stable 10MHz Double Oven Controlled Crystal Oscillator. The reference clock generates a 150MHz master clock signal through the Phase Lock Loop, and drives 4 DDSs to work at the same time. The edge of the driving clock signal triggers the phase accumulator to increment. The accumulated result of each clock ...
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