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).

• Frequency range: 1 GHz to 40 GHz
• Connectors: BNC (f) input bias / 2.4 mm (m)

• Reduces noise figure uncertainty, thus ensuring accurate and repeatable results
• Operates over a frequency range of 10 MHz to 26.5 GHz
• Results traceable to national standard
• Full calibration of all Keysight SNS and 346 noise sources, as well as other manufacturers’ noise source
• Manual control or remote operations using GPIB

N2002A noise source test set is a stand-alone instrument that, as part of a calibration system enables fast repeatable calibrations with minimal levels of uncertainty. This low-cost, easy-to-use test set ensures accurate calibration results, increasing measurement confidence and allowing the development of DUT's with tighter specifications.

The Keysight R347B noise source covers a 26.5 to 40 GHz frequency range. This waveguide noise source allows you to make accurate and convenient noise figure measurements on millimeter-wave devices. The R347B provides highly precise broadband noise at the input of the system or component under test. The noise figure meter then processes the ON/OFF ratio of noise power present in the system IF, and provides an accurate reading of noise figure and gain. The R347B noise source has remarkable ENR stability over time, which allows longer recalibration cycles and more accurate noise figure measurements.

• Performance and reliability at millimeter-wave frequencies
• Excellent ENR stability over time
• Low SWR

The Keysight Q347B noise source covers a 33 to 50 GHz frequency range. This waveguide noise source allows you to make accurate and convenient noise figure measurements on millimeter-wave devices. The Q347B provides highly precise broadband noise at the input of the system or component under test. The noise figure meter then processes the ON/OFF ratio of noise power present in the system IF, and provides an accurate reading of noise figure and gain. The Q347B noise source has remarkable ENR stability over time, which allows longer recalibration cycles and more accurate noise figure measurements.

• Performance and reliability at millimeter-wave frequencies
• Excellent ENR stability over time
• Low SWR

The SNS series N4002A is a 10 MHz to 26.5 GHz noise source with nominal ENR 15 dB. DUT's with noise figure up to 30 dB can be accurately and reliably measured with this device. The N4002A noise sources has a choice of connectors, with an APC 3.5(mm) connector as standard.

• Electronic storage of Excess Noise Ratio (ENR) calibration data decreases the opportunity for user error
• Automatic download of ENR data to the NFA speeds overall set-up time
• Temperature compensation improves measurement accuracy leading to tighter specification of device performance
• 3.5mm connector ships standard, optional Type-N connector is available as Option 001

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. DUT's with noise figures up to 30 dB can be measured accurately and reliably with this device. The N4001A has a selection of connectors, with an APC 3.5(m) connector as standard.

• Electronic storage of Excess Noise Ratio (ENR) calibration data decreases the opportunity for user error
• Automatic download of ENR data to the NFA speeds overall set-up time
• Temperature compensation improves measurement accuracy leading to tighter specification of device performance
• 3.5mm connector ships standard, optional Type-N connector is available as Option 001

The SNS series N4000A is a 10 MHz to 18 GHz noise source with nominal ENR 6 dB. The N4000A noise source is designed for accurately measuring devices with low noise figure, or devices whose gain is especially sensitive to small changes in source impedance. DUT's with noise figure up to 20 dB can be accurately and reliably measured with this device. The N4000A noise sources has a choice of connectors, with an APC 3.5(mm) connector as standard.

• Electronic storage of Excess Noise Ratio (ENR) calibration data decreases the opportunity for user error
• Automatic download of ENR data to the NFA speeds overall set-up time
• Temperature compensation improves measurement accuracy leading to tighter specification of device performance
• 3.5mm connector ships standard, optional Type-N connector is available as Option 001

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

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

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, which are reflections of the test signals. 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.

• 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

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)