Device for generating pulses of high-precision programmable duration

摘要

A device generates pulses of high-precision with programmable duration. The device includes first, second and third pulse generator circuits. The first pulse generator circuit receives at an input a pulse generation command signal, and provides at an output a first pulse for loading the contents of a register in a counter. The second pulse generator circuit is triggered by the first pulse provided by the first pulse generator circuit. The third pulse generator circuit is triggered by a second pulse provided by the second pulse generator circuit, and generates a third pulse to restart the second pulse generator circuit. The second pulse provided by the second pulse generator circuit forms a clock signal for the counter to produce a decrement in the counter. The output signal from the counter is the pulsed signal to be generated. The duration of the pulsed signal is determined by the content of the counter.