Measuring Control-Loop Response in a DC-DC Converter

    May 17, 2022
    An engineer from Rohde & Schwarz uses the company's RTO6 oscilloscope to measure the control-loop response in a sample device under test.
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    An engineer from Rohde & Schwarz uses the company's RTO6 oscilloscope to measure the control-loop response in a sample device under test. The scope's high dynamic range and input sensitivity of 1 mV/div at full measurement bandwidth makes it possible to detect weak emissions.

    The RT06 offers powerful fast-Fourier-transform (FFT) capabilities, which are ideal for EMI analysis in the frequency domain thanks to their easy operation, high acquisition rate, and manifold functions such as color coding of the spectral display according to frequency of occurrence. The unique zone trigger in the FFT is well-suited for detection of sporadic emission frequencies.

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    Alix Paultre | Editor-at-Large, Electronic Design
    About the Author

    Alix Paultre | Editor-at-Large, Electronic Design

    An Army veteran, Alix Paultre was a signals intelligence soldier on the East/West German border in the early ‘80s, and eventually wound up helping launch and run a publication on consumer electronics for the US military stationed in Europe. Alix first began in this industry in 1998 at Electronic Products magazine, and since then has worked for a variety of publications in the embedded electronic engineering space. Alix currently lives in Wiesbaden, Germany.

    Also check out his YouTube watch-collecting channel, Talking Timepieces. 

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