This document discusses the myth that digital circuit boards can be isolated from conductive chassis structures, explaining the reality that they are always coupled through distributed capacitance and transmission line effects.
This article provides a basis for using gated time domain and a highly reflective mirror to measure the gain, phase, beamwidth and radiation pattern of broadband antennas. The tests were completed using the Anritsu VectorStar VNA. The speed and data points (100,000) make possible high resolution in time domain. Three commercial reference horns were measured and an aperture and mirror conductivity correction applied. The resulting data agreed reasonably well with the published data. Two additional classical methods were also performed for validation.
There have been inherent problems with audio frequency conducted susceptibility tests since their inception. Some issues are resolved using a novel but inexpensive transducer.
Select the most suitable waveforms for evaluating equipment resistibility to lightning damage when a GPR is either the suspected source of the damage, or its effects are to be tested for.
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