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Summary
This study introduces a versatile digital timer capable of generating multiple precisely timed pulses. The crystal-controlled timer allows independent presetting of delays for up to 46 pulses, offering wide timing ranges.
Area of Science:
- Digital electronics
- Instrumentation and measurement
Background:
- Accurate timing control is crucial in various electronic applications.
- Existing digital timers may lack flexibility in generating multiple, independently controlled pulse delays.
Purpose of the Study:
- To present a novel digital timer design.
- To enable independent presetting of pulse delays for a pulse train.
- To achieve a wide range of timing intervals with high precision.
Main Methods:
- Utilized digital integrated circuits for timer logic.
- Incorporated thumbwheel switches for presetting delay values.
- Employed crystal-controlled oscillators for timing accuracy.
- Designed an output stage with enhanced drive capability.
Main Results:
- Successfully generated a pulse train of up to 46 pulses.
- Demonstrated independent presettability of each pulse's delay.
- Achieved timing intervals from 0.1 ms to 99.99 s.
- Verified the timer's functionality using digital integrated circuits.
Conclusions:
- The developed digital timer offers significant flexibility and precision for generating complex pulse sequences.
- The design is suitable for applications requiring independently controlled, crystal-accurate timing intervals.
- The use of digital integrated circuits ensures reliability and potential for miniaturization.