New publication by Patrick Koch and Tom Hartman Utilizing Frequency Folding in Multichannel Measurements for Broadband EMI Measurements

The rapid development of electronic devices requires a larger bandwidth of current equipment. Measurement techniques that use multiple channels can provide a solution. The lack of an Anti-Aliasing Filter (AAF) in low-end oscilloscopes offers an opportunity to improve the bandwidth by using filters. The filters can distinguish between lower frequencies and frequencies higher than the Nyquist frequency, which would otherwise overlap and be indistinguishable.

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Find the original paper here.