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N6141C EMI Receiver X-Series Measurement Application, Multi-Touch

Technical Overviews

  • Measure emissions with built-in commercial and MILSTD compliant bandwidths, detectors, and band presets
  • Compare measured emissions to regulatory limits
  • Continuously monitor signal with bar meters to detect maximum amplitude
  • Collect lists of suspect emissions
  • Differentiate between ambient signals and device emissions
  • Generate reports in HTML format including signal list, images and trace, and correction data
  • Multi-touch user interface and SCPI remote user interface
  • Extend test assets with transportable licenses between X-Series signal analyzers with multi-touch user interface

EMI Measurement Application

To avoid costly delays that can result from failed compliance testing, Keysight’s EMI measurement application on X-Series signal analyzers allows you to perform pre-compliance measurements and diagnostic evaluation of your designs. Find and fix problems before they enter the test chamber with the N6141C measurement application on the N9040B UXA, N9030B PXA, N9020B MXA, N9010B EXA, or N9000B CXA.

The application’s wide range of features enables you to:

  • Use the scan table to set up frequency ranges, gains, bandwidths, and dwell time
  • Scan a frequency range and display the results in log or linear format
  • Identify suspect signals in the frequency scan
  • Measure the peak, quasi-peak, EMI-average or RMS-average values of these suspect signals and place the results in the signal list
  • Easily identify signals that fail the regulatory agency limit

X-Series measurement applications

X-Series measurement applications increase the capability and functionality of Keysight Technologies, Inc. signal analyzers to speed time to insight.

They provide essential measurements for specific tasks in general-purpose, cellular communications, wireless connectivity applications, covering established standards or modulation types.

EMI pre-compliance measurements

Performing pre-compliance radiated and conducted emissions measurements early in the design cycle can reduce development expense by ensuring new designs will pass final compliance testing at an accredited facility, avoiding costly redesign and re-testing.

For a step-by-step guide on how to make pre-compliance measurements according to regulatory agency limits, refer to the application note, Making Conducted and Radiated Emissions Measurements, literature number 5990-6152EN.

Conducted emissions measurements

The EMI measurement application allows you to measure the emissions that are conducted along a power line. The transducer used to couple the emissions of the power line to the signal analyzer is a line impedance stabilization network (LISN).

The frequency range of conducted emissions is 9 kHz to 30 MHz, depending on the regulatory agency.

Radiated emissions measurements

Performing pre-compliance radiated emissions measurements is not as straightforward as conducted emissions measurements. When measuring to commercial standards, the antenna is placed 3 to 10 meters from the device under test (DUT) and the DUT should be rotated in order to find the maximum radiation.

With the addition of the EMI receiver measurement application, the X-Series signal analyzer becomes a powerful EMI pre-compliance measurement analyzer. Measure designs to the latest CISPR 16-1-1 or MIL-STD requirements. The robust signal list feature enables you to quickly differentiate between the DUT and the ambient signal environment.

Regulatory standards

X-Series signal analyzers with the EMI measurement application can be used for making pre-compliance measurements to any international EMC standard. Simply select the performance level and frequency range for your application.

Measurement Summary

EMI measurement application vs. Option EMC

There are two EMI options for X-Series signal analyzers: Option EMC and the N6141C measurement application. Option EMC enables basic EMC measurements.

It contains CISPR 16-1-1 compliant bandwidths and detectors (peak, quasi-peak, EMI average, RMS average) as well as CISPR band presets (bands A through E), and MIL-STD bandwidths that meet MIL-STD 461D/E/F requirements.

The EMI measurement application includes Option EMC and provides a wide range of additional features that enable the user to perform pre-compliance conducted and radiated emissions tests to both commercial and MIL-STD requirements. The following table summarizes a comparison of features.

Top Features

Easily identify out-of-limit device emissions

Signal list, frequency scan, and active detector meters are displayed on a single screen for easy review of the measurement results. Continuously scan a specified frequency range or scan and search for signals above a margin or limit and place them in the signal list. 

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