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HIGHLIGHTS

The Keysight R347B noise source covers a 26.5 to 40 GHz frequency range. This waveguide noise source allows you to make accurate and convenient noise figure measurements on millimeter-wave devices. The R347B provides highly precise broadband noise at the input of the system or component under test. The noise figure meter then processes the ON/OFF ratio of noise power present in the system IF, and provides an accurate reading of noise figure and gain. The R347B noise source has remarkable ENR stability over time, which allows longer recalibration cycles and more accurate noise figure measurements.

  • Performance and reliability at millimeter-wave frequencies
  • Excellent ENR stability over time
  • Low SWR

Key Specifications

Download Data Sheet
Maximum Frequency
40 GHz
Maximum Frequency
40 GHz
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ENR Automatic Download:
No
Excess Noise Ratio (ENR):
10-13 dB
Frequency Range:
26.5 GHz to 40 GHz
Maximum Frequency:
40 GHz
Minimum Frequency:
26.5 GHz
Minimum Frequency Range:
26.5 GHz
Temperature Compensation:
No
Works with:
NFA, X-Series (PXA, MXA)

Standard Configurations

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Millimeter-Wave Noise Source, R-band, 26.5 to 40 GHz
  • Performance and reliability at millimeter-wave frequencies
  • Excellent ENR stability over time
  • Low SWR
  • 1 year standard warranty
1
26.5 GHz to 40 GHz R-Band noise source | KeysightCare Assured First Year Support | Return to Keysight Warranty - 1 year
1
KeysightCare Assured - Extend to 3 years (includes Return to Keysight Extended Warranty)
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R347B Millimeter-Wave Noise Source

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Extend the Capabilities For Your Millimeter-Wave Noise Source, R-band, 26.5 to 40 GHz

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Featured Resources for R347B Millimeter-Wave Noise Source, R-band, 26.5 to 40 GHz

Data Sheets 2019.03.19

R347B Millimeter-Wave Noise Source, R-Band

R347B Millimeter-Wave Noise Source, R-Band

This data sheet provides specifications for the R-band R347B millimeter-wave noise source.

2019.03.19

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

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 Y-factor noise figure measurement 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

View All Resources

View All Resources

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