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Highlights

  • Compute vector corrected EVM and ACPR measurements for any user specified gamma while achieving the wide dynamic range and lower residual EVM of the PNA-X modulation distortion application.
  • User specified gamma profile, including the ability to import an S1P file, sets how each gamma presented to the amplifier changes across the modulation bandwidth.
  • Gamma control at all frequencies in the modulation bandwidth is accomplished using the M9484C dual channel vector signal generator.
  • Active load control is differentiated from passive load pull where gamma is controlled only at the center frequency and uncontrolled at other frequencies in the modulation bandwidth.

The software enables power amplifier distortion measurements under varying load conditions that are controlled across the entire modulation bandwidth. When design verification and robustness evaluation require testing the device away from the optimum loading condition, this application provides powerful insight into device performance and degradation.

Free Trials

Get a 30-day trial license for S94572B. The S94572B Arbitrary Load control trial creates a software application on your PNA series that is enabled with a license file on the PNA-X running the modulation distortion application.

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Featured Resources

Application Notes 2023.11.27

How to Make High Accuracy EVM Measurements for Power Amplifiers Using the Keysight Vector Network Analyzers

How to Make High Accuracy EVM Measurements for Power Amplifiers Using the Keysight Vector Network Analyzers

In this application note, you will learn an innovative method for characterizing nonlinearity of the power amplifier under modulated stimulus condition.

2023.11.27

Technical Overviews 2023.11.22

S93070xB Modulation Distortion Application for the PNA-X

S93070xB Modulation Distortion Application for the PNA-X

Modulation distortion provides nonlinear DUT behavior (EVM, NPR, and ACPR) under modulated stimulus conditions and varying load conditions.

2023.11.22

Brochures 2017.11.30

PNA Microwave Network Analyzers

PNA Microwave Network Analyzers

This 16-page color brochure introduces you to the PNA Series of microwave network analyzers. The PNA Series builds on Keysight’s 40-year legacy of excellence to deliver new standards in speed, accuracy, and versatility for microwave network analysis. The standard PNA is suitable for testing passive and active devices such as filters and amplifiers. Users can easily add options to test mixers, harmonics, intermodulation distortion, pulsed-RF, antennas and mmwave components.

2017.11.30

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