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N9069C Noise Figure X-Series Measurement App, Multi-Touch

Technical Overviews

Keysight Technologies

Noise Figure

X-Series Measurement App, Multi-Touch

N9069C

Technical Overview

  • Characterize noise figure and gain of connectorized devices and system blocks with graph, meter, and table layouts and built-in uncertainty calculator
  • Provide fully-specified measurements with optional internal preamp; improved specifications with external USB preamp
  • Speed up multi-DUT measurements with multi-DUT calibration and measurement profiles
  • Extend noise figure measurements to 110 GHz (Option 526 or greater required) with Keysight’s K-Series block downconverters
  • Use multi-touch front panel user interface or SCPI remote interface
  • Extend test assets with transportable licenses between all X-Series signal analyzers with multi-touch UI

Noise Figure Measurement Application

Noise figure is one of the fundamental parameters that differentiates one system, amplifier, or transistor from another. To minimize the problems resulting from noise generated in receiver systems, engineers can either make a weak signal stronger, or reduce the noise of that system or its individual components. The Keysight Technologies, Inc. N9069C noise figure measurement application offers development engineers a simple tool to make accurate and repeatable noise figure measurements. The speed of this application also allows manufacturing engineers to rapidly measure any one of the following in their test racks:

  • Noise figure/factor
  • Gain
  • Effective temperature
  • Y-factor
  • Hot/cold power density

The noise figure application utilizes the Y-factor method for calculating noise figure. By using a noise source, an X-Series signal analyzer can quickly determine the noise of the device under test. This method is very simple, as it utilizes a ratio of two noise power levels: one measured with the noise source ON and the other with the noise source OFF.

Preamps are available to reduce the uncertainty of Y-factor noise figure measurements. With an optional preamp installed in an X-Series signal analyzer or standard with N8973/N8974/N8975/N8976B NFA X-Series, you can obtain better noise figure measurements. NFA X-Series specifications are not included in this document. For those specifications, please visit www.keysight.com/find/NFA_X-series_specifications.

X-Series measurement applications increase the capability and functionality of Keysight signal analyzers to speed time to insight. They provide essential measurements for specific tasks in general-purpose, cellular communications, wireless connectivity and digital video applications, covering more than 40 standards or modulation types. Applications are supported on both benchtop and modular, with the only difference being the level of performance achieved by the hardware you select.

Make fast, accurate noise figure measurements with NFA

Performing accurate noise figure measurements start with a solid understanding of the uncertainty contributors - your components, subsystems and test equipment. The NFA X-Series noise figure analyzers are the simple way to make fast, accurate and repeatable noise figure measurements up to 40 GHz. With built-in expertise, ease of use features and a best-in-class USB preamplifier, our NFA’s help you easily set up complex measurements - providing you with repeatable and reliable results while minimizing the overall uncertainty for your noise figure measurement challenges.

Top Features

Noise figure and gain measurements for amplifier and converters

The N9069C noise figure measurement application provides accurate noise figure and gain results for the DUT, which can be amplifiers or converters (including multistage converters). The noise figure and gain results are shown versus frequencies.

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