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-phase control crosstalk by using a self-excited mode in a low-level control system of a radio frequency acceleration system of a 100 MeV high-current cyclotron.
[0027] The RF acceleration system of the 100MeV high-current cyclotron includes: a frequency source with high stability and frequency continuously adjustable, two 100kW RF power sources, two independent resonant cavities and two low-level control systems.
[0028] The reference signal of the 100MeV radio frequency system is generated by Direct Digital Synthesis (Direct Digital Synthesis, DDS) technology, and the reference clock of DDS is a highly stable 10MHz constant temperature crystal oscillator (Double Oven Controlled Crystal Oscillator). The reference clock generates a 150MHz main clock signal through a phase-locked loop (Phase Lock Loop), and drives 4 channels of DDS to work at the same time. The edge of the driving clock signal trigg...
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