OverviewSpellman’s Injector Control Assembly (ICA) multi-output high voltage power supplies provide the electrode voltages for a triode electron gun to inject electrons into a Linear Accelerator (LINAC). The resulting high-energy electron pulses generate high-energy X-Rays used for applications such as cargo screening and cancer therapy. This rack-mount multi-output supply provides Cathode, Heater and Grid voltages; the Cathode current can be pulsed up to 500 Hz. Heater and Grid supplies float at the Cathode voltage potential, typically up to -15 kV. Remote control and monitoring are available via standard Ethernet protocols. Front-panel LED indicators provide basic output and fault status, including Cathode Current and Arc faults.
Key Features- Multi-output electron-gun power supply
- Fast rise-time pulsed cathode current (up to 500 Hz)
- Remote programming and monitoring via Ethernet
- Customizable for OEM and system integration
Typical Applications- Cargo screening
- Cancer therapy (LINAC)
Indicator PanelINDICATOR | COLOR | CONDITION (illuminated when...)
Trigger Present | Green | Input trigger is present.
AC Power | Green | AC supply voltage is present.
Interlock In | Green | Interlock in signal is present.
Arc Fault | Red | Arc fault signal is active.
Cathode Current Fault | Red | Cathode current fault signal is active.
Cathode Voltage On | Amber | Cathode high voltage is present.
Datasheet Note*All specifications are subject to change without notice. Refer to the product datasheet for the most up-to-date revision.
Technical specifications- Reference: Ref. 128129-001 REV. C
- Input Voltage: 100-240 Vac, 50-60 Hz
- Cathode Output Voltage: 0 to -15 kV
- Pulsed Cathode Current: 200 mA to 1500 mA
- Mean Cathode Current: 5.5 mA (max)
- Current Pulse Width: Up to 6 μs (90% to 90%)
- Current Pulse Frequency: Up to 500 Hz
- Current Risetime: 200 ns (typical)
- Heater Output Voltage (wrt Cathode): 0 to -6.5 Vdc
- Heater Current: 3 A
- Heater Resistance: 0.7 ohm
- Grid (fixed) Voltage (wrt Cathode): -60 to -135 Vdc
- Grid (fixed) Current: 250 mA
- Pulse Voltage: 0 to 340 Vdc (wrt Cathode) — Injector current is regulated by programming the Grid Pulse Voltage
- Connections — Front Panel: Ethernet (RJ45 jack); Interlock (24 V nominal, 9 pin D-sub male pin plug); Pulse Input (BNC)
- Connections — Rear Panel: AC Power In (IEC320 C14 male pin receptacle); HV Out (3 pin terminal block)
- Interlock: 24 V must be present to enable output high voltage cathode; intended to connect to system interlocks to disable the ICA if system interlocks are not satisfied
- Operating Temperature: 10°C to +40°C
- Storage Temperature: -40°C to +70°C
- Humidity: 30% to 60% relative humidity, non-condensing
- Weight: 15 lbs (6.8 kg)
- Regulatory Approvals: Designed in accordance with IEC 60601-1 (Edition 3) requirements; UL 94V-0 and RoHS compliant