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PulseBlasterDDS-IV-1000: Programmable TTL and Dual Quadrature Stream Direct Digital Synthesis RF Pulse Generator


Ordering Information
Manuals, etc.

The PulseBlaster DDS™ series of Intelligent Pattern and Waveform Generation boards from SpinCore Technologies, Inc., couples SpinCore’s unique Intelligent Pattern Generation processor core, dubbed PulseBlaster™, with dual Direct Digital Synthesis (DDS) units for use in system control and pulse generation.

The PulseBlaster’s state-of-the-art timing processor core provides all the necessary timing control signals required for overall system control and pulse synchronization. The additional DDS features allow the PulseBlaster DDS-IV-1000 to provide not only digital (TTL) but also two pairs of analog RF outputs generated by two independent quadrature data streams, ranging in frequency from 200 kHz to 400 MHz. This allows the PulseBlaster DDS-IV-1000 to meet high-performance and high-precision complex excitation/stimuli needs of demanding users. The quadrature output pairs allow for easy interfacing with analog quadrature modulators for single side band up-conversion.

Key Specifications

  • 1 Gs/s sampling rate for up to 400 MHz RF Output
  • Two independent quadrature RF output pairs
  • PulseBlaster Timing Core operating at 125 MHz
    • The PB Core provides 16 digital output channels
  • Software triggering and external hardware trigger
  • 256 interrupts controlled by 8 interrupt lines
    • Interrupts are immediate and always active
  • 8K instruction memory words
  • Shortest instruction length of 40 ns
  • The delay resolution is 8 ns
  • 10 MHz external reference input
  • 128 amplitude registers for each DDS output with 14 bit amplitude resolution
  • 128 phase registers for each DDS output with 16 bit phase resolution
  • 256 frequency registers for each DDS output with 32 bit frequency resolution
  • All DDS registers are programmable while the PulseBlaster Core is running
  • Modifiable Pulse Programs while the core is running

DDS-IV 3U Enclosure

The DDS-IV-1000 comes pre-assembled in a 3U rack mount enclosure that includes the following:
  • Internal mounting, cabling, and harnessing
  • Internal 110-240V 50/60 Hz AC-DC power supply
  • BNC connectors for all analog and digital outputs, external clock reference and HW trigger
  • DB-9 (DE-9) connector for the 8 interrupt pins
  • USB control connector
  • USB and power cables


Complex, high-speed, multi-channel pulse, pattern, and word generation. Applications may include:

  • Complete high frequency excitation system for high field NMR/MRI/NQR up to 400 MHz
  • Laser control in advanced communication systems
  • Advanced modulation techniques up to 400 MHz
  • Seamless interfacing with analog quadrature modulators
    • Achieve analog outputs in the GHz range!
  • For more ideas, please visit our Applications Page

Ordering Information

Model - Part Number Number of RF Output Pairs PulseBlaster Core Frequency DAC Sampling Frequency Memory Words
2 125 MHz 1000 MHz 8K

To inquire about the availability and pricing of the PulseBlasterDDS-IV-1000, please use our Contact Form.

Product Manual

Free Software Support

  • PulseBlasterDDS-IV 32-bit API Package - Includes the following:
    • Drivers and examples for 32-bit Windows XP, Vista, and 7.
    • All other necessary software for using the PulseBlasterDDS-IV-1000.
    • Example programs.
  • PulseBlasterDDS-IV 64-bit API Package - Includes the following:
    • Drivers and examples for 64-bit Windows XP, Vista, and 7 and 8.
    • All other necessary software for using the PulseBlasterDDS-IV-1000.
    • Example programs.
  • Compiling the PBDDS-IV-1000 on Windows
  • Using Microsoft Visual C++ with PBDDS-IV-1000
  • Warranty Information

    • Standard Two Year Warranty
    • Longer warranty periods are available
    • 30 Day Money-back Guarantee

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