FlexDDS-HD

Multi-channel Direct Digital Synthesis
with best-in-class phase noise performance

Up to 48 synchronized channels, 300 kHz-400 MHz frequency range for acousto-optic modulation (AOM) and quantum computing applications

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FlexDDS-HD Device

High-density DDS

Up to 48 channels with independent control

Ultra-low Phase Noise

Precise deterministic timing & clean signal generation

Rack Mounting

Compatible with standard 19″ rack systems

The FlexDDS-HD is a high-density, multi-channel RF synthesizer platform delivering direct digital synthesis (DDS) with best-in-class phase noise performance and precise deterministic timing control.
Designed for real-time modulation of up to 48 synchronized output channels, FlexDDS-HD combines ultra-low noise reference clocks and flexible module architecture to meet the demanding needs of quantum optics, precision experiments, and advanced RF applications.

FlexDDS-HD module

Applications

  • Driving AOMs (Acousto-Optic Modulators)
  • Coherent Atom Manipulation
  • Quantum Optics
  • Quantum Computing
FlexDDS-HD phase noise comparison

FlexDDS-HD Components

FlexDDS-HD-RACK-84

FlexDDS-HD-RACK-84

3U full-width rackmount chassis supporting up to 24 synchronized DDS modules

  • Accommodates up to 24 independent, yet synchronized, modules with two RF outputs each
  • GBit Ethernet interface
  • Two trigger inputs shared across the entire rack
  • Suitable for 19" rack mounting (3U height)
  • Supports hot-plugging of synthesizer modules
FlexDDS-HD-ULN-1G

FlexDDS-HD-ULN-1G

Temperature-controlled ultra-low phase noise clock

  • Aging < ±5 ppb/day, < ±300 ppb/year
  • 1–100 MHz external input (GPSDO, Rubidium)
  • 1 GHz ultra-low noise clock output
  • D1–100 MHz configurable output
FlexDDS-HD-AD9910

FlexDDS-HD-AD9910

High-performance dual-channel DDS module

  • Dual 1 GS/s direct digital synthesizer (DDS) based on the AD9910 chip
  • Frequency range: 300 kHz to 400 MHz (with 0.23 Hz resolution)
  • Three digital I/Os per channel
  • Fast on/off functionality with no signal leakage in the "off" state
  • Option AMP: Adjustable amplifier with full-scale output power ranging from < –40 dBm to > +13 dBm
  • Option ADC: Dual-channel analog input with 20 MHz bandwidth for phase, amplitude, frequency, or polar modulation (replaces one digital I/O per channel)

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