An anisotropic ferrite magnet focusing system for klystron beam is developed to improve reliability of RF supply system and reduce power consumption. To save production cost, anisotropic ferrite magnets are used in this system. A test model has been fabricated and the power test of a 750 kW L-band klystron with this focusing magnet is carried out. 94 % of the nominal output power has been achieved at a power test.
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