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HIGHLIGHTS

The Keysight 346CK01 is the ideal companion to Keysight´s noise figure solutions when working on high-frequency applications. Since it is broadband (1 GHz to 50 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source reduces a major source of measurement uncertainty, which are reflections of the test signals. This is a coaxial noise source with a 2.4 mm coaxial connector. ENR typically 20 dB at 1 GHz, decreasing to typically 7 dB at 50 GHz.

  • Frequency range: 1 GHz to 50 GHz
  • Connectors: BNC (f) input bias / 2.4 mm (m)


 

Key Specifications

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Noise Figure Analyzers and Noise Sources

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Extend the capabilities for your Noise Source, 1 GHz up to 50 GHz

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Featured Resources for 346CK01 Noise Source, 1 GHz up to 50 GHz

Application Notes 2026.02.28

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.

2026.02.28

Application Notes 2026.05.14

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.

2026.05.14

Application Notes 2024.07.05

10 Hints for Making Successful Noise Figure Measurements

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.

2024.07.05

White Papers 2022.12.27

Three Ways USB Noise Sources Help You Remove Uncertainty in Y-Factor Measurements

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

2022.12.27

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