SG40000L 40GHz Compact Signal Generator

Introducing the SG40000L, our latest portable and affordable high-frequency signal generator!

DS Instrument’s new high-frequency microwave signal generator has been released! This new standard version offers the same low-noise performance of the SG40000PRO, but without the low band output and upgraded internal reference source.


SG40000L Standard 40GHz Device Features:

  • Ultra-low-noise 100MHz VCXO locked to internal TCXO or external 10MHz reference
  • Internal precision high-frequency reference source (±280PPB 10MHz)
  • Calibrated power absolute accuracy: < ±2.0dB (typical)
  • MCX input for 10MHz clock source
  • Compact powder-coated laser-etched enclosure
  • Precision 2.4mm output connector
  • Ethernet remote operation (DHCP)
  • Windows control software included (USB & Network enabled)
  • SCPI command aware via USB-C virtual COM port for remote control
  • Front controls and bright OLED display for stand-alone usage
  • Completely powered from USB-C, no DC adapter required!

ModeSG40000L
Output frequency range covering20-41GHz
Power output level range (calibrated)-13dBm to +13dBm
Power output level range (uncalibrated)-15dBm to +15dBm (typical)
Excellent phase noise< -89dBc @ 40GHz @ 10KHz offset
Power level resolution0.5dB steps & vernier (< ~0.1dB)
Sub-harmonic levels< -20dBc typical
Extremely small frequency step size2 Hz