Table Of Contents

Period Measurement

    Last Modified: February 26, 2018

    In period measurements, the counter measures a period on its Gate input signal after the counter is armed. You can configure the counter to measure the period between two rising edges or two falling edges of the Gate input signal.

    You can route an internal or external periodic clock signal (with a known period) to the Source input of the counter. The counter counts the number of rising (or falling) edges occurring on the Source input between the two active edges of the Gate signal.

    You can calculate the period of the Gate input by multiplying the period of the Source signal by the number of edges returned by the counter.

    Period measurements return the inverse results of frequency measurements. Refer to the Frequency Measurement section for more information.

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