About Noise Figure Analysers and Noise Sources

Each component adds noise that affects the overall performance of your receiver, whether you are working with systems, subsystems, subassemblies, or discrete devices.


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Keysight 346A Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB

Connectors: BNC (f) input bias / 3.5 mm (m)

The Keysight 346A noise source (10 MHz to 18 GHz) with a 6dB ENR is designed especially for accurate characterization of input-impedance-sensitive devices...

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Keysight 346B Noise Source, 10 MHz to 18 GHz, nominal ENR 15 dB

Connectors: BNC (f) input bias / 3.5 mm (m)

The Keysight 346B noise source's high ENR(16dB), low SWR and variety of connectors make it general-purpose noise source for the range 10 MHz to 18 GHz...

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Keysight 346C Noise Source, 10 MHz to 26.5 GHz

Connectors: BNC (f) input bias / 3.5 mm (m)

The Keysight 346C noise source offers 10 MHz to 12 GHz coverage with a 16 dB ENR or 12GHz to 26.5GHz coverage with a 17dB ENR...

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Keysight 346CK01 Noise Source, 1 GHz up to 50 GHz

Connectors: BNC (f) input bias / 2.4 mm (m)

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.

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Keysight 346CK40 Noise Source, 1 GHz up to 40 GHz

Connectors: BNC (f) input bias / 2.4 mm (m)

The Keysight 346CK40 is the ideal companion to Keysight´s noise figure solutions when working on high frequency applications. Since it is broadband (1 GHz to 40 GHz), it eliminates the necessity for several sources at different frequency bands.

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Keysight N4000A SNS Series Noise Source 10 MHz to 18 GHz (ENR 6 dB)

Excess Noise Ratio (ENR) calibration data decreases the opportunity for user error

The SNS series N4000A noise source is designed for accurately measuring devices with low noise figure, with a frequency range of 10 MHz to 18 GHz and nominal ENR 6 dB

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Keysight N4001A SNS Series Noise Source 10 MHz to 18 GHz (ENR 15 dB)

Electronic storage of Excess Noise Ratio (ENR) calibration data decreases the opportunity for user error

The SNS series N4001A noise source is ideal for general purpose use with a low reflection coefficent and a nominal ENR of 15 dB from 10 MHz to 18 GHz

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Keysight N4002A SNS Series Noise Source 10 MHz to 26.5 GHz (ENR 15 dB)

Electronic storage of Excess Noise Ratio (ENR) calibration data decreases the opportunity for user error

The SNS series N4002A noise source was designed to measure DUT noise figures reliably and accurately up to 30 dB from 10 MHz to 26.5 GHz

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Keysight Q347B Millimeter-Wave Noise Source, Q-band, 33 to 50 GHz

Performance and reliability at millimeter-wave frequencies

The Q347B waveguide noise source (33 to 50 GHz frequency range), allows you to make accurate noise figure measurements on millimeter-wave devices...

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Keysight R347B Millimeter-Wave Noise Source, R-band, 26.5 to 40 GHz

Make accurate noise figure measurements on millimeter-wave devices

Find a array of test connectors including crocodile clips, banana plugs and jacks, binding posts, PCB test points and more. Test connectors are widely used in conjunction with test and measuring equipment such as test leads, oscilloscopes, multimeters and signal generators.

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