- Facility for high and low power RF testing of cryomodules.
- Radiation shielded enclosure with 10 ft thick concrete walls.
- Magnetic shielding in enclosure limits fields to < 0.1 G.
- Currently configured for testing of SNS and CEBAF cryomodules (both standard and upgrade).
- Three high power RF sources available:
- 16 kW, 805 MHz klystron system.
- 16 kW, 1497 MHz klystron system. (Four 8 kW klystrons operating in pairs)
- Electromechanical switching of 1497 MHz waveguide allows one button selection of test cavity.
- Data acquisition and controls
- LabView based low level RF control and acquisition system
- Windows computer interfaced to VXI, GPIB, Firewire (IEEE-1394) hardware
- 4 channels of Boonton 4532 peak power meters
- Two custom built VXI based VCO phased locked loops with integral I/Q controls. One for 1497 MHz operations and one for 805 MHz operations.
- Commercial-Off-the-Shelf VCO phased locked loop also available
- Custom-built cavity resonance monitoring system for characterizing microphonics and dynamic Lorentz effects.
- Data stored continuously to remote storage.
- Labview based slow data acquisition system.
- Windows computer interfaced to VME, SCXI, PXI, GPIB, RS-232, and PLC hardware.
- Cryogenic plant data acquired through an Active-X channel access interface
- Data stored locally and automatically backed up daily to a remote storage
- EPICS based cryogenic control.
- LabView based low level RF control and acquisition system
- RF interlocks for 8 CEBAF style cavities or 4 SNS style cavities
- Include waveguide, coupler, and cavity vacuum interlocks
- Helium liquid level and pressure interlocks
- infrared detector interlocks
- Photomultiplier tube based arc detector interlocks
- Facilities in place for testing of new LLRF designs.
- Flexible cabling system allows for testing different cryomodule designs
