ACCELERATING RF STATION FOR HIRFL-CSR, LANZHOU, CHINA

In accordance with the plan of cooperation with the Institute of Modern Physics (IMP), Lanzhou, China, the Budker Institute of Nuclear Physics (BINP), Novosibirsk, Russia has produced and supplied an accelerating RF station for the multipurpose Cooling Storage Ring system (CSR), which is being constructed at IMP. The RF station had been tested at IMP site and now is installed into the Main Ring of the facilities. The RF station operates in the frequency range of 0.25 ~ 1.7 MHz. Maximum accelerating voltage is 8 kV. The resonance frequency of the RF cavity is tuned in the whole frequency range by biasing of ferrites, which are used in the cavity. Ferrites of 600NN type were produced by a firm manufacture "Magneton", St. Petersburg. The pressure in the cavity vacuum chamber is lower, than 3 · 10 -11 mbar. RF cavity, RF generator, and power supplies are made in one module. Maximum output power of the RF generator is 30 kW. Low level control electronics are placed separately in a rack. The RF station control is based on the Compact PCI bus and provides all functions of RF station control and monitoring.