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HIGHLIGHTS

The Keysight 346C noise source is the ideal companion to Keysight's noise figure solutions. Since it is broadband (10 MHz to 26.5 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; reflections of test signals. Option K01 is a coaxial noise source and features coverage from 1 to 50 GHz with a 2.4 mm coaxial connector.

  • Frequency range: 10 MHz to 26.5 GHz
  • VSWR: < 1.35:1
  • Connectors: BNC (f) input bias / 3.5 mm (m)
  • Low SWR for reducing noise figure measurement uncertainty
  • Individually calibrated ENR values at specific frequencies

KEY SPECIFICATIONS

ENR Automatic Download
No
Excess Noise Ratio (ENR)
12-17 dB
Maximum Frequency Range
26 GHz
Minimum Frequency Range
10 MHz
Temperature Compensation
No
Works with
NFA, ESA-E Series, PNA-X, PSA-Series, X-Series (PXA, MXA, EXA, CXA)
ENR Automatic Download
Excess Noise Ratio (ENR)
Maximum Frequency Range
Minimum Frequency Range
Temperature Compensation
Works with
No
12-17 dB
26 GHz
10 MHz
No
NFA, ESA-E Series, PNA-X, PSA-Series, X-Series (PXA, MXA, EXA, CXA)
View More
ENR Automatic Download:
No
Excess Noise Ratio (ENR):
12-17 dB
Maximum Frequency Range:
26 GHz
Minimum Frequency Range:
10 MHz
Temperature Compensation:
No
Works with:
NFA, ESA-E Series, PNA-X, PSA-Series, X-Series (PXA, MXA, EXA, CXA)

Standard Configurations

Prev
Noise Source, 10 MHz to 26.5 GHz
  • Frequency range: 10 MHz to 26.5 GHz
  • VSWR: < 1.35:1
  • Connectors: BNC (f) input bias / 3.5 mm (m)
  • Low SWR for reducing noise figure measurement uncertainty
  • Individually calibrated ENR values at specific frequencies
  • Calibration supplied on floppy disk for easy loading into NFA Series Noise Figure Analyzers
1
10 MHz to 26.5 GHz 346 Series Noise Source nominal ENR 15dB | Return to Keysight Warranty - 1 year
1
APC 3.5 (m) connector
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Extend the capabilities for your Noise Source, 10 MHz to 26.5 GHz

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Featured Resources for 346C Noise Source, 10 MHz to 26.5 GHz

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 2019.09.30

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, including noise figure and temperature, noise characteristics, and the measurement of noise figure.

2019.09.30

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 2018.06.25

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.

2018.06.25

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