EMI analyser speeds pre-compliance testing

According to TiePie Engineering, the powerful capabilities of the Handyscope HS6 DIFF-1000XMESG EMI analyser give the user the ability to quickly perform an EMI compliance test. The company describes it as a cost-effective test, saving both time and money by avoiding extra visits to expensive EMC testing facilities.

The Handyscope HS6 DIFF-1000XMESG EMI analyser consists of a Handyscope HS6 DIFF-1000 with option E installed. Option E also includes the EMI probe set TP-EMI-HS6.

The EMI probe set TP-EMI-HS6 is a complete set of probes, conveniently packed in a carry case. The set contains three differently sized H field probes and an E field probe. To connect the probes to the scope, a short semi flexible antenna cable and a long flexible antenna cable are included. For proper grounding and termination, a grounded 50-Ohm terminator is also included.

The Handyscope HS6 DIFF-1000XMESG’s EMI analyser has a multi window option. In each window, the total spectrum or a selected part of the spectrum is simultaneously shown. A standard RF spectrum analyser has only one display, points out TiePie, and so simultaneously zooming in at several different parts of the signal is not possible. The multi-display option of the Handyscope HS6 DIFF-1000XMESG EMI analyser allows multiple parts of the spectrum to be viewed at the same time. This gives the user a better understanding of the signals that are analysed, says the company. There is also a time domain signal visible, allowing the user to analyse the signal shape at the same time. The multi display option is also available for the time domain signal.

The Handyscope HS6 DIFF-1000XMESG EMI analyser has a low resolution bandwidth of up to 7.45Hz (at a span of 500MHz), claimed to distinguish it from others in its class and a feature that allows details in each part of the spectrum to be analysed thoroughly.

The large dynamic range of 140dB allows the measurement of a variety of interference frequencies. Standard limit lines according to EN61326-1:2006 / EN55011:2007 can be switched on or off. The resolution bandwidth and frequency range can be selected individually.

There are three operating modes, normal, average and max hold. Normal mode displays the spectrum of the source trace. Averaging mode is effective in reducing the noise of the signal, to see more of the harmonic or carrier detail. The number of spectra to be averaged can be selected. Max hold displays the maximum level that the signal reaches and is useful for frequency measurements where it shows the history of peak values across the frequency axis. Averaging and max hold history can be cleared manually to start a new measurement.

The EMI analyser can also be used as normal spectrum analyser. With a biconical antenna or combilog antenna a spectrum of 10 to 500MHz can be measured.



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