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HIGHLIGHTS

  • 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.

Learn more about Keysight Noise Sources and 346 Noise Source Family

Principais especificações

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Frequência máxima
26.5 GHz
Frequência máxima
26.5 GHz
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ENR Range:
12 to 17 dB
ENR Automatic Download:
Sim
Excess Noise Ratio (ENR):
12-17 dB
Frequency Range:
N/A
Frequência máxima:
26.5 GHz
Frequência de início CAT/VNA:
10 MHz
Minimum Frequency Range:
10 MHz
Temperature Compensation:
Sim
Works with:
NFA, ESA-E Series, PSA-Series, X-Series (PXA, MXA, EXA, CXA)

Standard Configurations

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USB Smart Noise Source, 10 MHz to 26.5 GHz, Nominal ENR 15 dB
  • 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.
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10 MHz - 26.5 GHz, USB Noise Source nominal ENR 15dB | KeysightCare Assured First Year Support | Return to Keysight Warranty - 1 year
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Calibration Plan - Return to Keysight - 3 years
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USB Cables, 1.8 meter
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U1831C usb noise source

Interested in a U1831C?

Extend The Capabilities For Your USB Smart Noise Source, 10 MHz to 26.5 GHz, Nominal ENR 15 dB

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Featured Resources  

Technical Overviews 2019.01.05

U1831C USB Noise Source - Technical Overview

U1831C USB Noise Source - Technical Overview

The Keysight U1831C USB noise source is designed to work with NFA-B signal analyzer, X-series signal analyzer and M9191/3A PXIe VSA for an fast and accurate noise figure measurement solution. The USB connectivity that comes with a smart feature of automatically download of electronically stored calibration data and ENR with temperature sensing capability simplify test setup and improved overall measurement accuracy.

2019.01.05

Application Notes 2019.09.30

Fundamentals of RF and Microwave Noise Figure Measurements

Fundamentals of RF and Microwave Noise Figure Measurements

Explore information on RF and Microwave noise figure measurements, starting from the concept of noise figure and noise temperature, describing the noise characteristics of two-ports networks, and highlighting the different methods used to measure noise figure, such as Y-Factor and the Direct Noise measurement method.

2019.09.30

White Papers 2022.12.26

Three Ways USB Noise Sources Help You Removing Uncertainty in Y-factor Measurements

Three Ways USB Noise Sources Help You Removing Uncertainty in Y-factor Measurements

USB noise sources are a fantastic alternative for noise figure measurements because of their ease, reliability, and versatility.

2022.12.26

Application Notes 2021.01.24

Noise Figure Measurement Accuracy: The Y-Factor Method

Noise Figure Measurement Accuracy: The Y-Factor Method

This app note discusses the fundamentals of noise figure measurement using Y-factor method and how to avoid noise figure mistakes.

2021.01.24

Application Notes 2019.09.24

Noise Figure Measurements: 10 Hints

Noise Figure Measurements: 10 Hints

Noise figure is often the key to characterizing a receiver and to detect weak incoming signals. Learn to minimize uncertainties in your noise figure measurements.

2019.09.24

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