Question
Download Solution PDFIn astable multivibrator using IC555 timer design, the duty cycle D is given by _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe duty cycle for an alternating quantity describes the fraction of time that the pulse is ON in one pulse period.
Mathematically, this is defined as:
Duty Cycle = \(\frac{T_{on}}{T_{on}+T_{off}}\)
Ton = Time for which the output is ON
Toff = Time for which the output is OFF
Also, Time period is the sum of the ON time and OFF time, i.e.
T = Ton + Toff
Periodic waveform with different duty cycles is as shown below:
Note:
It does not matter if the waveform is the output from a 555 timer or from some other circuit. The duty cycle is always the ratio of the ON time and the total time period.
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