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📶 Duty Cycle Calculator
Calculate duty cycle percentage from pulse width and period, or from on-time and off-time.
How to Calculate Duty Cycle
Duty cycle is the percentage of time a signal is in its active (high) state during one complete cycle. It is calculated as Pulse Width / Period × 100, or equivalently On Time / (On Time + Off Time) × 100. A 50% duty cycle means the signal is high for exactly half the period. Duty cycle is important in PWM, power supplies, and motor control.
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