Pulse Sharpening in Ferrite Transmission Lines
ARMY ELECTRONICS RESEARCH AND DEVELOPMENT COMMAND FORT MONMOUTH NJ ELECTRONICS TECHNOLOGY AND DEVICES LAB
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Pulse sharpening effects in ferrite transmission lines may be used to obtain kV pulses with ns risetime. The exact description of the sharpening effect requires complex shock wave analysis. In this paper an approximate but useful physical model is discussed. The ferrite is treated as a lossy but linear transmission line from which equivalent design results are obtained. In many instances the nonlinear effects present are confined to a region which is small compared to the total transmission length, which makes the linear approximation more plausible. Preliminary experimental results, based on a 130 em long line, are in accord with the predictions of the model.
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