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PulseBlasterUSB Rackmount: Portable, Programmable TTL Pulse Generator / Digital Word Generator and Timing Engine


PulseBlasterUSB Rackmount is a rack-mountable or stand-alone programmable digital pulse (TTL levels), pattern, and word generator. The system has all of the features of our standard PulseBlasterUSB in an easier to use enclosure. It is plug-and-play, controlled via USB, and includes an internal power supply (universal A/C input, 100-240 V). USB drivers and C software for Windows XP and Linux are included, enabling the generation of complex pulse and pattern sequences for NMR, MRI,  ultrasound, mass spectrometry, and related resonance and test technologies.

Key Specifications

  • 24 individually controlled digital output lines (TTL levels) accessable from the front panel
  • Variable pulses/delays for every output line
  • Pulses ranging from  50 ns to over one week per interval with constant pulse resolution of 10 ns
  • 25 mA output current per channel
  • Up to 4k pulse/pattern program memory words
  • Advanced pulse program flow control
  • Nested loops, up to 8 levels
  • 20-bit loop counters (over 1 million repetitions at a time)
  • "Wait for event" function
  • High maximum retriggering frequency (above 1 MHz).
  • 2U Rackmount enclosure; 48.26 cm x 27.94 cm x 8.89 cm (WxDxH)


Complex, high-speed, multi-channel pulse, pattern, and word generation. Customers’ applications have included

  • Experiment and process control in Electron, Nuclear and Quadrupole Resonances (ESR, NMR, NQR)
  • Mass Spectrometry and related test technology
  • Ultrasound, radar, medical imaging
  • Laser control in advanced communication
  • Solid state physics experiments
  • Nanomagnetism and spintronics applications
  • Robotics and process synchronization
  • Complex Pattern Generation

Models and Ordering Information

Model Number of  Channels Pulse Resolution Shortest Pulse Memory Words
PBUSB-RM-24-100-4k  24  10 ns  50 ns  4k

Product Manuals

Free Software Support

  • Available as a part of the SpinAPI Package:
    • Example programs (executables and C source files)
    • PulseBlaster Interpreter for easy programming without writing C code
  • The SpinAPI package available for download on the Software Downloads page.
  • Interfaces and examples - PBInterpreter, PulseBlaster.NET, LabView, Matlab.

Warranty Information

  • Standard warranty  - two years
  • Longer warranty periods available 
  • Money-back guarantee – 30 days.

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