12GHz Signal Generator


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The DS Instruments SG12000L compact RF Signal Generator enables users to generate a high quality RF signal easily and at low cost. The output covers the entire 25 – 12000MHz frequency block. The produced wave is fully synthesized using modern fractional N synthesis. RF output step size varies from a maximum of ~6 KHz to less than 40 Hz, depending on band of operation. The synthesized source can accept an external 10 MHz reference, or it can use its own internal 10 MHz TCXO. Output power is calibrated between -25 and +13dBm, and can be set in 0.5dB steps over the entire frequency range. The crisp OLED display provides useful feedback for the user, and front control buttons provide a quick alternative to USB control. Optional Ethernet is now available, and full-band calibrated RF power control is standard. Like most of our products, the SG12000 easily fits in the palm of your hand, making it a truly portable and bench-space-saving device.

New REV17 with lowered harmonics and phase control shipping as of Feb 2024!

Low-phase-noise, micro-step performance version here: SG12000PRO!

Compact SG12000L Features:

  • Calibrated adjustable output power covering the full frequency band
  • New internal harmonic-filtering hardware for 2024!
  • Native frequency-sweeping support
  • USB powered and controlled
  • Phase control from 0 to 360 degrees with 1.0-degree resolution
  • External reference frequency input with auto-detection (10 MHz MCX)
  • Internal 10MHz reference source
  • Professional industry standard SCPI command support
  • Front user control buttons (frequency, power, output enable…)
  • Bright OLED display
  • Sturdy all-aluminum black enclosure
  • Optional Ethernet port
  • Intuitive PC control software
  • Extremely compact size

12GHz Microwave Generator Specifications:

  • Frequency range: 25MHz 12GHz
  • Calibrated power level range: -25dBm to +13dBm
  • Uncalibrated power level range: -30dBm to +14dBm typical
  • Power control resolution: 0.5dB steps + 0.05dB vernier (variable attenuator)
  • Harmonic content (0.5-12GHz): < -25dBc typical
  • Dimensions: 2.75″ x 1.25″ x 3.15″
  • Frequency step size: 40-6000Hz (depending on output frequency)
  • Phase noise at 6GHz: -72dBc @ 10KHz offset
  • Power Input: 5V Standard USB-C (0.75A)
  • Output Impedance: 50 Ohm
  • 10MHz TCXO reference source stability: ±280PPB
  • RF Connectors: Gold 18GHz SMA

 Common Applications:

  • Automated testing environments
  • Radar systems
  • General RF Lab use
  • Flexible LO sourcing
  • Antenna design
  • EMC Testing
  • Production verification and testing
  • Educational / university lab use
  • Aerospace / Defense Research
  • X-band test setups

Featured on Microwave Journal, Microwaves&RFMilitary&Aerospace Electronics!

USB / Ethernet Control Software:



Enclosure Mechanical Information:



Device Performance Plots:



UPC: 737212885858

Additional information

Weight N/A
Device Configuration

Ethernet & USB & Display, USB & Display

DS Instruments will be closed for a summer vacation the week of July 15th through July 19th.

Sorry for the inconvenience, and thank you for your patience!