Waveform characterization of calibration-pulse generators for EMI measuring receivers
Document typeConference report
Rights accessOpen Access
This paper presents the waveform characterization of calibration pulse generators intended to evaluate the response to pulses of the weighting detectors in CISPR 16-1-1 measuring receivers. First, the standard requirements of the reference pulses are described, and the pulse generators calibration methods based on waveform measurements are briefly discussed. Then, high-resolution time domain measurements are used for characterizing the waveforms of a commercial calibration-pulse generator in terms of rise/fall time, pulse width, mean voltage of the upper state, repetition frequency, and area. Moreover, the results above are used for estimating the spectral density of the impulses, their corresponding quasi-peak level, the pulses bandwidth, and the breakpoint frequencies. Finally, the measurement uncertainty is estimated for CISPR bands A, B, and C/D. Results are in good agreement with other calibrations performed during an intercomparison exercise and the uncertainty satisfy the target ±0.5 dB and 1% given in standards for the impulse area and pulse repetition frequency respectively.
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CitationAzpurua, M. A. [et al.]. Waveform characterization of calibration-pulse generators for EMI measuring receivers. A: International Symposium on Electromagnetic Compatibility. "2019 International Symposium on Electromagnetic Compatibility - EMC EUROPE". 2019, p. 614-618.
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