Performance

Specification typical at 25°C ambient. Unless otherwise noted; testing was done in Current mode with a load = 500 µH +100 mΩ

Peak Current Limit: 112A
Gain Linearity (over input signal, from 0.2V to 5V),
   DC: 0.0125%
   AC: 0.030%
Output Offset (adjustable to zero),
   Voltage Mode: Less than ±400 µV
   Current Mode: ±5 mA
Output Impedance,
   Current Mode (effective): 2000Ω
   Voltage Mode (typical): 3 mΩ in series with 2.23 µH
Load,
   Current Mode: 500 µH + 200 µΩ
   Adaptable Range: 5 µH to 2.5 H, 0.01Ω to 20Ω
Current Mode Response: −3 dB at 5 kHz (compensation dependent)
Current Settling Time, Ramp 0A to ±50A or ±50A to 0A,
   20 µs: To within 1.0A or 1%
   35 µs: To within 200 mA or 0.2%
Total Harmonic Distortion,
   Current Mode: Less than 0.1%
   Load: 500 µH + 100 mΩ
Noise Floor (when Blanking circuit is enabled): 5 µA or less
DC Drift, Self Heating Drift, 0 to ±60A: 5 mA/10 minutes, maximum
Noise Output,
   10 Hz to 1 kHz: 0.2 mA
   1 kHz to 60 kHz: 0.05 mA
Ripple Noise Output: none
Slew Rate, Voltage Mode: 41 V/µs

Input Characteristics

Three-Terminal Barrier Block Connector: Balanced with ground, 20kΩ differential
BNC Connector: Unbalanced, 10kΩ single ended
Max Input Voltage: ±10V, balanced or unbalanced
Common Mode Rejection: -58 dB with 5V input

Status Display, Control, I/O

Status Indicators (front panel): LEDs indicate a status of Run, Ready, or Standby, and Fault conditions
Controls (front panel): Soft-touch Switches for Run (Enable), Stop and Reset functions
Controls (back panel): Dual-function AC mains power switch and circuit breaker; rating: 20A for 208 volts or 15A for 400 volts. Turn off and then back on to reset
Connectors (back panel),
    Power Connection: NEMA-style locking receptacle; matching AC connector also included
    Signal Output: 4-position terminal barrier block (OUTPUT/COMMON/ SAMPLED COMMON/CHASSIS GROUND); resistor between SAMPLED COMMON and CHASSIS GROUND terminals is a 2.7-ohm, 2W, 5%, metal-oxide resistor
    Signal Input: User-selectable BNC or Barrier Strip, balanced or unbalanced
   Interlock I/O Connection: 25-pin D connector provides for remote monitoring and control functions

Remote Control and Monitoring

(via back-panel D connector)

Current Monitor: 20A/V ± 1%; 10A/V ± 1% (differential configuration)
Reporting: System Fault, Over Temp, Over Voltage, Over Load
Control: Blanking control, Force to Standby, Remove from Standby, Reset after a fault

Amplifier Protection

Over Load/Distortion (IOC): Shutdown or clipped output
Current vs. Time (ODEP): Clipped output
Each heat-sink temperature: Shutdown 105°C
Overvoltage Shutdown: 229 VAC / 440 VAC
Undervoltage Shutdown: 187 VAC / 360 VAC

Operation Requirements

AC Power Source: Three-phase, 208 VAC ±10%, 47-60 Hz, 20 Amp AC service; (400 VAC ±10%, 15 Amp service model available)
Environmental,
   Operating Temperature: +10°C to +50°C (+50°F to +122°F); Maximum output power de-rated above 30°C (86°F)
   Storage: –30°C to +85°C (–22°F to +185°F)
   Humidity: 70% or less, non-condensing

Physical Characteristics

Dimensions: 19”L x 22.8”D x 8.75”H (48.3 cm L x 57.9 cm D x 22.3 cm H)
Cooling: Forced air cooling from front to back through removable filters via four 100 CFM fans. No space is required between rack-mounted amplifiers. Air filters are removable from the rear via one fastener per side and may be eliminated if cabinet filtration is provided.
Airflow: 400CFM
Weight: 103 lbs (46.7 kg)
Shipping Weight: 108 lbs (49.0 kg)