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    Wednesday 30 November 2016

    Monostable Multivibrator Circuit Using 555 timer

    monoastable multivibrator using 555 timer
    In this circiut, the pulse will be delayed for the time that will take the capacitor, C1 to charge up via R1 to 2Vcc/3 from zero voltage before returning to its stable state.

    From equation of voltage across the capacitor at any given time, t in a series R-C circuit
    Equation for voltage across capacitor at time, t in a series R-C
    Where Vc(t) is the voltage of the capacitor at a given time, t; Vi is the initial voltage of the capacitor before charging or discharging; Vf is the voltage of the capacitor at infinite time which is always Vcc or 0 when charging or discharging respectively; t is the time taken for the capacitor to charge up or discharge to Vc(t); R is the resistance in ohm and C is the capacitor in farad.
    delaying period in monostable multivibrator using 555
    delaying period in monostable multivibrator using 555
    delaying period in monostable multivibrator using 555
    Therefore the pulse will be delayed for time,
    delaying period in monostable multivibrator using 555
    Click here for monostable (555) calculator

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