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Long traces or cables usually show a smooth rolloff with increasing frequency leading to Inter-Symbol Interference Jitter. The paper proposes a method for emulating such channel link performance by using a short microstrip trace with added lossy material. The paper focuses on the characterization and selection of lossy materials for emulating long channels using a short low loss trace with added lossy...
In this paper a near-field Shielding Effectiveness measurement approach for highly conductive gaskets while maintaining the interface is presented. SE measurements of initial gasket performance along with reliability data in hostile environments are vital for predicting a gasket performance in conjunction with specific joint surfaces. The TEM cell method reported herein offers an analytical approach...
Ringing in the switching waveform of the switching power supply (e.g., synchronous buck converter) is known to cause broadband electromagnetic interference problems in the 30–300 MHz range. The measured switching waveform shows overshoot and, then, exponential decay of the ringing. It has been observed that this exponential decay rate varies significantly between using different low-side FETs; thus,...
Previously a measurement technique for ESD current spreading on a PCB using near field scanning was developed in order to connect the local ESD sensitivity to system level ESD failures in time and spatial domain. The concept of such scanning methodology is proved and several scanning results were processed. However the validation, precision and weakness of such methodology need to be further investigated...
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