Stanford Research Systems DG645

Stanford Research Systems DG645

Digital Delay/Pulse Generator

The Stanford Research Systems DG645 is one of our refurbished Digital Delay/Pulse Generators.

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Refurbished

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Stanford Research Systems DG645 Features:

  • <25 ps rms jitter
  • Trigger rates to 10 MHz
  • Precision rate generator
  • Easy synchronization with 80 MHz mode locked lasers
  • Fast transition times
  • Ethernet, GPIB and RS-232 interfaces
  • 4 pulse, 8 delay outputs (opt.)
  • Ovenized crystal or Rb timebase (opt.)
  • Computer interfaces: GPIB (IEEE-488.2), RS-232, and Ethernet
  • All instrument functions can be controlled through the interfaces
  • Non-volatile memory: Nine sets of instrument configurations can be stored and recalled
  • Power: <100 W, 90 to 264 VAC, 47 Hz to 63 Hz
  • Channels: 4 independent pulses controlled in position and width
  • 8 delay channels available as an option
  • Range: 0 to 2000 s
  • Resolution: 5 ps
  • Accuracy: 1 ns + (timebase error × delay)


The Stanford Research Systems DG645 is a versatile digital delay/pulse generator that provides precisely defined pulses at repetition rates  up to 10MHz. The instrument offers several improvements over older designs—lower jitter, higher accuracy, faster trigger rates, and more outputs.


The DG645 also has Ethernet, GPIB and RS-232 interfaces for computer or network control of the instrument.