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DiscoverCircuits.com -- Hobby Corner
Last Updated on:
Tuesday, June 01, 2021 03:06 PM
Hobby Circuits List
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LINK to Dave's circuit, but DO NOT COPY any files to your WEB
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More
One Shot
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Accurate One Shot Pulse Generator
(May 1, 2005)
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timer circuit draws only 3ua of current, and can be powered by DC supplies ranging
from 3v to 15v. This hobby circuit produces accurate pulses whose time can
easily be adjusted, based on the R1 x C1 time constant. The time should not
change, even as the supply voltage varies. With the components shown, the
circuit generates a one second pulse, triggered by a short positive pulse at the
input. This hobby circuit uses a CD4013 flip/flop and a TLV3701 voltage
comparator. Unlike a classic 555 timer circuit, this circuit draws a hundred
times less current. |
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Click on Circuit Below to view PDF of Schematic |
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