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U1831C USB Smart Noise Source, 10 MHz to 26.5 GHz, nominal ENR 15 dB

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Starting From US$ 4,399

Typical Configuration  

Typical Configuration

U1831C 10 MHz - 26.5 GHz, USB Noise Source nominal ENR 15dB

  • R-55A-001-1 KeysightCare Assured First Year Support
  • R-50C-011-3 Calibration Plan - Return to Keysight - 3 years
  • U1831C-101 USB Cables, 1.8 meter
  • R-51B-001-C Return to Keysight Warranty - 1 year


Prices for: United States

* Prices are subject to change without notice. Prices shown are Manufacturer's Suggested Retail Prices (MSRP). Prices shown are exclusive of taxes.

Key Features & Specifications

  • Automatic upload of ENR data to the analyzers via USB connection significantly speeds up the overall setup time
  • Electronic storage of Excess Noise Ratio (ENR) calibration data decreases opportunity for user error
  • Temperature sensing improves measurement accuracy, leading to tighter specification of device performance


The U1831C is a versatile USB-powered smart noise source. The USB connection significantly reduces setup time and provides compatibility with noise figure analyzers and signal analyzers. The broadband noise source accurately measures noise figures from 10 MHz to 26.5 GHz.