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High Pulse Generator
When the input goes from low to high, (0v to +v), the output produces a brief positive spike, or pulse.
The length of the pulse is approximately:
To keep the maths simple, use uF and Mohms as units so in the circuit shown:
Time = C x R = 1 x 0.01 = 0.01 second
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High Pulse Generator Circuit

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Low Pulse Generator
When the input goes from high to low, (+v to 0v), the output produces a brief low spike, or pulse.
The length of the pulse is approximately:
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Low Pulse Generator Circuit

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