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HIGHLIGHTS

The Keysight 346A noise source is the ideal companion to Keysight's noise figure solutions. Since it is broadband (10 MHz to 18 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source minimizes reflection of test signals, reducing measurement uncertainty. The very small change in reflection coefficient (<0.01) from ON to OFF is designed especially for accurate characterization of input-impedance-sensitive devices (like GaAsFETs and many UHF amplifiers).

  • Frequency range: 10 MHz to 18 GHz
  • VSWR: < 1.3:1
  • Connectors: BNC (f) input bias / 3.5 mm (m)
  • Low SWR for reducing noise figure measurement uncertainty
  • Individually calibrated ENR values at specific frequencies

Principais especificações

Frequência máxima
N/A
Frequência máxima
N/A
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ENR Range:
4.5 to 6.5 dB
ENR Automatic Download:
não
Excess Noise Ratio (ENR):
5-7 dB
Frequency Range:
10 MHz to 18 GHz
Frequência máxima:
N/A
Frequência de início CAT/VNA:
10 MHz
Minimum Frequency Range:
10 MHz
Temperature Compensation:
não
Type:
Noise Source
Works with:
NFA, ESA-E Series, PNA-X , PSA Series, X-Series (PXA, MXA, EXA, CXA)
346A Noise Source

Interested in a 346A?

Extend the capabilities for your Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB

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Featured Resources for 346A Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB

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

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 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

Veja todos os recursos

Veja todos os recursos

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