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Z9070B Wideband Signal Analysis Solution

Technical Overviews

Keysight Technologies

Z9070B Wideband

Signal Analysis Solution

Technical Overview

Introduction

Wideband commercial, satellite or radar signals can now be analyzed with commercial test equipment at a fraction of the cost and measurement time of traditional solutions using the Z9070B wideband signal analysis solution. The Keysight Technologies, Inc. Z9070B consists of Keysight’s N9030A PXA signal analyzer, combined with an Infiniium DSOS804A oscilloscope and 89600 VSA software, orderable as Z9070B-001.

The Z9070B takes advantage of the PXA’s wide IF output, the high dynamic range of the Infiniium oscilloscope, and the powerful 89600 VSA to deliver a wideband high-dynamic range signal analysis solution at an affordable price. This solution does not require an external stimulus. The correction data is exported from the PXA to the 89600 VSA so the user does not need to do time consuming calibrations for acceptable measurement results. Correction data is quickly loaded when the user changes center frequency and span, and the full analysis capability of the 89600 VSA can then be utilized. The corrections contain both amplitude and phase information, enabling the 89600 VSA to make accurate analyses of chirp linearity, signal modulation for cell phone networks or even custom modulation formats.

Key Features:

  • Automatically loads correction data from the PXA signal analyzer
  • PXA correction data for > 1 GHz of bandwidth
  • Measurement characteristics including frequency response and phase linearity performance up to 800 MHz of bandwidth
  • Includes high dynamic range scope with up to 12 bits of resolution
  • Quick setup and accurate measurements
  • Frequency coverage to 50 GHz

Keysight’s high dynamic range oscilloscopes bring up to 12-bit digitizer performance, enabling the Z9070B to attain results similar to an integrated signal analyzer. Measurements such as error vector magnitude are accurate due to IF correction data and the performance of the digitizer. The 89600 VSA can run inside the scope, giving the user a large screen display to view an extensive array of measurement views.

The Z9070B is an easy-to-use solution. Setup is done in a few simple steps and using the integrated software component in the VSA, switching measurement parameters is fast and straightforward. Using an Ethernet cable between the PXA and scope enables the 89600 VSA to load correction data and set up the measurement; the user does not have to interact between the signal analyzer or the scope interface.

The Z9070B allows for a flexible measurement capability without sacrificing usability. Once bandwidth, center and IF frequencies are selected by the user, the software automatically loads the appropriate correction data. When signal recording is required, using the Z9070B allows for much longer record lengths than typical solutions due to the use of the downconverter. The recorded waveform data can be analyzed using the 89600 VSA or easily exported to MATLAB or other popular formats.

The PXA may continue to be used to do traditional swept measurements, such as spur search or occupied bandwidth. All of the X-Series measurements such as noise figure and phase noise are also available. The PXA correction data are complex (both magnitude and phase) and can be used with many of the digitizers supported by the 89600 VSA.

The DSOS804A oscilloscope has been configured for the Z9070B but it is possible to choose other digitizers such as the Infiniium 90000 Series oscilloscopes or modular digitizers such as the M9703A. Dynamic range performance of alternate digitizers may be checked to determine overall system sensitivity. Correction functionality is not limited to the DSOS804A.

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