• Frequency range 10 MHz to 40 GHz in a one-box solution
  • Multi-touch interface
  • Includes Spectrum Analyzer and IQ Analyzer (Basic) modes
  • Built-in standard option include P44, PFR, FSA, NFE, and B25
  • 2.4 mm (m) input connector
  • SNS series noise source compatibility: N4000A, N4001A, N4002A
  • Extend the NFA solution up to 110 GHz with special block downconverters
  • U7227F 2 GHz to 50 GHz external USB preamplifier and 346CK40 1 GHz to 40 GHz noise source included

The N8976B high performance noise figure analyzer is designed to make fast, accurate and repeatable noise figure measurements. When paired with an SNS Series noise source and U7227 Series USB preamplifier the ENR data from the SNS and USB preamplifier data automatically downloads into the N8976B.

The N8976B has a multi-touch interface that allows stretch, pinch, and drag gestures. Most menus can be accessed with the tap of a finger without changing screens.

Noise source calibrations for Y-Factor measurements have been streamlined by allowing combined calibrations for up to 12 DUT setups in a single step. Saving valuable test time can be achieved for many types of DUT’s by using the internal calibration feature, which does not require a user calibration to be performed.

A built-in noise figure uncertainty calculator can pre-populate data from the SNS noise source, USB preamplifier, as well as all the required instrument parameters such as analyzer noise figure, gain and noise figure uncertainty, and match. Default noise figure settings offer simultaneous noise figure and gain measurements. By using Table view several measurements including Noise Figure, Noise Factor, Y-Factor, Gain, Phot, Pcold, and Teffective can be viewed simultaneously in tabular form.

The N8976B has additional flexibility with spectrum analyzer and IQ Analyzer (Basic) modes that allows customers to move beyond noise figure to further analyze DUT characteristics if needed.

A 44 GHz internal Preamplifier (Option P44), 25 MHz analysis bandwidth (Option B25), precision frequency reference (Option PFR), fine step attenuator (Option FSA), and noise floor extensions (Option NFE) are included as standard options.

An external simulated LO to the input of a frequency translating device can be achieved by connecting to a Keysight signal generator over LAN, USB, or GPIB. LO control is adjusted from the N8973B.

Learn more about NFA Series Noise Figure Analyzers

Principais especificações

Frequência máxima
40 GHz
Frequência máxima
40 GHz
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Largura de banda:
8 MHz
Frequency Range:
10 MHz to 40 GHz
Gain Uncertainty:
±0.15 dB
Instrument Uncertainty:
±0.02 dB using a 4-6 dB ENR Noise Source
Frequência máxima:
40 GHz
Frequência de início CAT/VNA:
10 MHz
Minimum Frequency Range:
10 MHz
18.3 ms/measurement

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