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High Speed Programmable Pulse Generator, Delay Generator and
Digital Word Generator (USB interface)



Models and Ordering Information


XX – Clock frequency, in MHz.  Standard value is 500 MHz.  Sample Part Number: PBESR-PRO-500-USB-MX: (500 MHz clock frequency, 2.0 ns shortest pulse, 4k memory depth).

Model Price Order
PBESR-PRO-500-USB-MX (USB board, 500 MHz)
  • 500 MHz
  • 21 channels
  • USB connector
  • 2.0 ns pulse resolution
  • 2.0 ns shortest pulse
  • 4k memory words

   PulseBlasterESR-PRO-USB-MXTM series is a high-speed, programmable, multichannel pulse generator in the USB form factor.  Based on the versatile PulseBlasterTM processor architecture, the USB board can accommodate pulse programs with highly flexible control commands of up to 4k program words, featuring loops (nested 8 levels deep), large loop counter (20 bits, up to 1,048,576 repetitions), deterministic WAIT OpCode with a constant latency of 8 clock cycles (16.0 ns at 500 MHz), adjustable to 8.59 seconds in duration, or as long as 104 days (at 500 MHz) using the long delay feature, and up to 15 MHz retriggering frequency.

   PulseBlasterESR-PRO-USB-MXTM includes 21 output signals and a short pulse feature allowing for down to 2.0 ns pulse at 500 MHz.

Key Specifications

  • High speed - currently up to 500 MHz clock frequency
  • Standard clock stability of 100 ppm, with optional oven-controlled clock oscillator (OCXO) of 200 ppb
  • 21 individually controlled output channels
  • 24 MMCX connectors
  • 50 ohm impedance matched outputs
  • Programmable pulse lengths from 2.0 ns to 8.59 s per instruction (at 500 MHz)
  • Long Delay feature for pulse lengths beyond 8.59 s, up to 104 days in length (at 500 MHz)
  • Sub-1 ns rise/fall times
  • 2.0 ns pulse resolution (at 500 MHz)
  • 4096 pulse program instruction words
  • Advanced pulse-program flow control: nested loops (8 levels), subroutines
  • Software and hardware triggering, up to 15 MHz retriggering frequency
  • USB form factor

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   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 technologies
  • Ultrasound, radar, medical imaging
  • Laser control in advanced communication
  • Solid state physics experiments
  • Nanomagnetism and spintronics applications
  • Robotics and process synchronization
  • Data bus emulation
  • General laboratory use
  • Delay generator
  • For more, please visit our Applications Page

Product Manuals and Documents

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 for boards
  • Longer warranty periods available
  • Money-back guarantee - 30 days

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