Design, construction and commissioning of the 100KW RF amplifier for cyciae-100
CYCLOTRONS 2010 - 19th International Conference on Cyclotrons and Their Applications(2010)
摘要
As a major part of the BRIF project, CYCIAE-100, the 100MeV high intensity cyclotron being constructed at CIAE, will provide 200μA-500μA proton beam ranging from 75MeV to 100MeV for RIB production. Two identical 100kW RF amplifiers will be used to drive two cavities independently to accelerate H-beam up to 100 MeV. The detail technical specification has been investigated, fixed, and initial design has been finished by CIAE. Then, the construction design and manufacture is done by China Academy of Aero and Space. The on site test is successful by mutual efforts. The final commissioning is under way with a full scale prototype cavity at CIAE. A general description of the CYCIAE-100 RF system design will be given, as well as the review of 100kW amplifier design. In the commissioning of the amplifier with dummy load, different high order resonances are found when operated at different frequencies between 42MHz to 46MHz. An equivalent circuit model is carried out to hunt down the problems. The model and related analysis will be reported together with the process and results of high power test with the cavity load through about 35-meter 6-1/8″ rigid coaxial line.
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