Abstract
A ferrite sharpener is a nonlinear coaxial line using ferrite beads which produces high-voltage, high-dV/dt pulses. We examined the characteristics of ferrite sharpeners experimentally when the following parameters were changed independently: (1) magnetic field bias, (2) amplitude of input voltage pulse, (3) rise time of input voltage pulse and (4) sharpener length. Then we made a simulation of the ferrite sharpener and compared the predictions with the experimental results in detail to analyze the characteristics of the sharpener. The predictions of the simulation are found to be in good agreement with the experimental results, thus it is confirmed that the simulation is a powerful tool for designing the sharpener.
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