Duty Cycle
The duty cycle is defined as the ratio of on-time to the sum of on-time and off-time. The rise and fall transitions determine the duration of on-time and off-time. However, due to differences in transitions, the duty cycle fluctuates, leading to inaccurate calculations. In practical scenarios, the rise and fall transitions are not identical. In the provided image, the input exhibits 50%-50% rise and fall transitions initially. However, after passing through certain components, there is an approximate 8% variation in both rise and fall transitions.
The Pulse Width
The pulse width, on the other hand, is affected by variations in the rise and fall transitions compared to the input transitions. Consequently, the threshold (50%) deteriorates. This results in a decrease in the pulse width. Reduced pulse width can lead to the loss of data that was meant to be captured at a specific time.
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