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Numeric simulation and experiment comparison were used to determine the component parameter of GIS which have also provided a dynamic circuit model. The physical process of arc re-ignition is studied based on the theory of arc energy conservation in this paper. Mayr-Schwarz arc equation is applied to establish the model of arc resistance model. A new transient circuit model which simulated disconnector...
A wide operating range and fast locking delay-locked loop (DLL) based frequency quadrupler that includes an eight-phase-clock generator and an edge combiner is proposed. The eight-phase-clock generator is composed of a coarse-code generator, a fine-code generator and a digital controlled delay line, which uses four differential delay units to generate equally spaced eight-phase clocks. The coarse-code...
A wide range delay-locked loop (DLL) based clock and data recovery (CDR) circuit including coarse and fine tune blocks is proposed in this paper. The coarse tune block adopts a time to digital converter and digital control delay line to widen the frequency capture range, reduce locking time and prevent the false locking problem. In the fine tune block, a novel phase detector combines the tasks of...
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