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Monostable Timer Calculator

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JimB

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Pin 2 on a 555 is the trigger input pin, hence the name written in the box /TRG.
TRG = a contraction of TRIGGER, and the / indicates that the signal is active in the low state.

in, 0v, +vs
in = this is the input
0v and +vs, these indicate (badly) that the trigger pulse varies from +vs (the supply voltage) to 0v (zero volts).

JimB
 

JimB

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