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RING PULSE GENERATORS IN DIGITAL INFORMATION DEVICES

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An overview of the development of ring pulse generators for digital measuring transducers is presented. Among others, devices based on user-programmable gate arrays are considered. Basic structures of the ring oscillators are presented, as well as design options of their cascades with the ability to control delay time and, therefore, stabilization and regulation of the frequency of the pulses. Methods and technical implementation of digital and analogue adjustment of vibration frequency with the use of advanced interpolation are described. Recommendations on construction of time—code converters based on the valve matrix programmable by the user are formulated.

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