Duty cycle?

the cycle of operation of a machine or other device which operates intermittently rather than continuously. A duty cycle or power cycle is the fraction of one period in which a signal or system is active. A duty cycle or power cycle is the fraction of one period in which a signal or system is active. Duty cycle is the ratio of time a load or circuit is ON compared to the time the load or circuit is OFF. Brief introduction to Digital Logic, Waveforms and Duty Cycle.