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NG500 1.3

High power MRI Gradient Amplifier for 1.5T high field MRI systems

Product features

  • High power MRI three-axis Gradient Amplifier cabinet
  • 1035V / ±1000Apk / 380Arms
  • Digital setpoint interface
  • Immune to condensation
  • Integrated high precision current sensors
  • Low EMI by integrated output filter
  • Isolated power supply with PFC
  • Auto-tuning & and advanced diagnostics
  • High reliability of >50khrs.
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NG500 Edit No Wheels Resized1
1035V / 1000Ap / 380Arms
Highest power capability in class
Extreme reliable & lifetime over 10 years
Advanced control and diagnostics with NG Tool Suite


Ngtoolsuite Icon

NG Tool Suite

NG Tool Suite enables easy access across NG Series product portfolio from initial integration to in-field remote diagnostics via Ethernet connection HMI


Control Interfacing

Seamless integration into new and current systems by using our flexible control interface. Existing interface can be easily installed in the whole NG series portfolio.


White Labeling

Customer specific branding is possible, to align within customer product portfolio.


Isolated power supply

  Min Typical Max Unit
Mains 380   480 VAC +/- 10%
  50   60 Hz
Mains switch included        
Power Factor Correction (PFC)   Unity power factor & low harmonics 
Programmable bus voltage 600   1035 Vdc
Mains input power   45   kVA
Available power to end stage   30   kW per axis
    40   kW for three axis

Output performance

  Min Typical Max Unit
Output voltage (at Ipeak)    +/-940    V
Output current    1000   Apk
    380   Arms Continuous or DC
Load range 0.22   4.7 mH
   50   200
Patented end stage included        
Integrated output filter (fcorner<switching frequency)         

Output accuracy

  Min Typical Max Unit
Settling time   error<1% after 100µs     
    error<0.4% after 150µs
    error<0.1% after 250µs
Drift offset typical    5mA/°C    
Drift gain typical    10ppm/°C    
Propagation delay  <70     µs
Linearity <100     ppm
Bandwith      >10 kHz
Total harmonic distortion <0.4% at 230Arms/200Hz  
  <0.8% at 230 Arms/1kHz  
Initial offset: neglectable (auto-zero )         
High precision current sensors included