Noise figure measurement with vector network analyzers

Key facts

Quickset GUI with calibration support
Sideband correction
Corrects for actual ambient temperature
Image correction for frequency converting DUTs – port match correction, SmarterCal and PowerCal
Available for ZNL, ZVL allrounder models

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Brief description

The noise figure measurement option further enhances the R&S vector network analyzer to provide a powerful and versatile test system for full amplifier and converter characterization. A GUI is available for configuring noise figure measurements on amplifiers, mixers, converters and T/R modules.

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Features & benefits

Quickset GUI with calibration support

Easy measurement setup

Depending on the DUT characteristics, reliable results in acceptable test times must consider several hardware and software parameters (source monitor access B161, attenuators, receiver pre-amp B302, reversed coupler operation, sampling time, power schematics, calibration...). The Quickset GUI makes NF measurements easy: test parameters are set automatically based on estimated DUT properties and optimal hardware configurations are proposed with support from interactive graphics (currently for amplifier tests, converter test QuickSet pending).

Sideband correction

Precise measurements

The built-in sideband correction eliminates and corrects for the additional noise in the sideband or the harmonics within the DUT bandwidth, affecting the final results. This feature allows for precise noise figure measurements for wideband devices.

Ambient temperature correction

Eliminate errors

The excess noise ratio (ENR) for most noise sources is 290 K. Any deviation results in a loss of accuracy and may even produce results that differ enormously depending on the targeted noise figure. For maximum accuracy, the user is prompted to measure and enter the ambient temperature of the measurement setup to compensate for any influence.

Image correction for frequency converting DUTs – port match correction, SmarterCal and PowerCal

For maximum accuracy

Combining image correction with SmarterCal makes measurement setup easier and improves measurement result accuracy. The image correction compensates for any noise present at the image frequencies that might blend with the IF or RF mixer. At the same time, port match correction compensates for mismatches between the MUT and the VNA.

Available models

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Noise figure measurement with vector network analyzers

Brief description

Features & benefits

Quickset GUI with calibration support

Sideband correction

Ambient temperature correction

Image correction for frequency converting DUTs – port match correction, SmarterCal and PowerCal

Available models

R&S®ZNA-K30

R&S®ZVAB-K30

R&S®FSL-K30

R&S®ZNBT-K30

R&S®ZNB3-K30