Noise Source Family

This series of broadband noise sources has been designed to cover the majority of measurement applications with a range of frequencies, Excess Noise Ratio (ENR) and coaxial connector types.

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Noise Sources

Keysight Technologies

The Keysight 346, 347 and SNS Series of noise sources work in conjunction with the NFA Series noise-figure analyzers to make noise-figure measurements from 10 MHz to 50 GHz.

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Noise Source Family

347 - Keysight Technologies

The R347B waveguide noise source cover the R-band (26.5 to 40 GHz frequency range), while the Q347B model cover the Q-band (33 to 50 GHz frequency range), allows you to make accurate noise figure measurements on millimeter-wave devices.

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Noise Source Family

SNS Series - Keysight Technologies

Works in conjunction with the NFA Series of noise figure analyzers to simplify measurement set-up and improve accuracy and reliability, automatically downloading electronically stored calibration data.

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USB Smart Noise Source, 10 MHz to 26.5 GHz, Nominal ENR 15 dB

U1831C - Keysight Technologies

The USB-powered U1831C provides broadband noise figure measurements from 10 MHz – 26.5 GHz with modular signal analyzer and benchtop X-Series signal analyzers.

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USB Smart Noise Source, 500 MHz To 50 GHz, 5 DB ENR Nominal

U1832C - Keysight Technologies

The USB-powered (USB TMC compliant) U1832C provides broadband noise figure measurements from 500 MHz – 50 GHz with modular signal analyzer, benchtop X-Series signal analyzers and Fieldfox

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Noise Source Test Set, 10 MHz to 26.5 GHz

N2002A - Keysight Technologies

The N2002A noise source test set is a low cost, stand-alone instrument that, as part of a calibration system, enables fast, repeatable calibrations with minimal levels of uncertainty.

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Noise Source, 10 MHz to 26.5 GHz, nominal ENR 15 dB

346C - Keysight Technologies

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.

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

346A - Keysight Technologies

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 reduces a major source of measurement uncertainty; reflections of test signals. 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).

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

346B - Keysight Technologies

The Keysight 346B 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 reduces a major source of measurement uncertainty; reflections of test signals. The 346B's high ENR, low SWR, and variety of connectors make it a general-purpose noise source. Add special option H01 for high ENR (21 dB typical) to measure high noise figure devices, or option H42 for measuring Direct Broadcast Satellite (DBS) low noise block converters.

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Noise Source, 1 GHz up to 50 GHz

346CK01 - Keysight Technologies

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.

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Noise Source, 1 GHz up to 40 GHz

346CK40 - Keysight Technologies

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. The low SWR of the noise source greatly reduces measurement uncertainty, which are commonly reflections of the test signals. This is a coaxial noise source with a 2.4 mm coaxial connector. ENR typically 14 dB at 1 GHz, decreasing to 5 dB at 40 GHz (typical).

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