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Circuits designed by David Johnson, P.E.
Last Updated on: Thursday, April 07, 2016 02:04 PM

Master Category List - Dave's Circuits

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One Shot Circuits
(Monostable)

1 Second One Shot Circuit  -  This timer circuit draws only 3ua of current, and can be powered by DC supplies ranging from 3v to 15v.  The circuit produces accurate pulses whose time can easily be adjusted, based on the R1 x C1 time constant.  The time should not change, . . . [Hobby Circuit designed by David Johnson P.E.,  09/02/10]


Accurate One Shot Pulse Generator  -  This timer circuit draws only 3ua of current, and can be powered by DC supplies ranging from 3v to 15v.  The circuit produces accurate pulses whose time can easily be adjusted, based on the R1 x C1 time constant.  The time should not change, . . . [Circuit by Dave Johnson P.E.,  09/02/10]


Delayed Pulse Generator  -  This circuit generates a short 10ms pulse 15 minutes after a “start” pushbutton switch is activated . . . [Circuit by David A. Johnson P.E.,  10/16/05]

D-Flip/Flop One Shot Circuit  -  Yes you can use cheap D flip/flop logic circuits as nice one-shot pulse generators.  This schematic shows how the popular CD4013 and the CD74HC74 can be used to generate pulses ranging from nanoseconds to seconds . . . [Circuit by Dave Johnson P.E.,  06/06/00]


Generate Short Delayed Pulse  -  This circuit generates a short 10ms pulse 15 minutes after a “start” pushbutton switch is activated . . . [Hobby Circuit designed by Dave Johnson P.E.,  10/16/05]


One Shot (D-Flip/Flop) Circuit  -  Yes you can use cheap D flip/flop logic circuits as nice one-shot pulse generators.  This schematic shows how the popular CD4013 and the CD74HC74 can be used to generate pulses ranging from nanoseconds to seconds . . . [Circuit by Dave Johnson P.E.,  06/06/00]


Oneshot And Latch Pushbutton  -  This circuit uses a single IC to convert a noisy pushbutton switch signal into a clean pulse or a sustained push on-push off signal. It can operate from 3v to 18v . . . [Hobby Circuit designed by Dave Johnson P.E.,  03/26/02]


Pushbutton Oneshot & Latch  -  This circuit uses a single IC to convert a noisy pushbutton switch signal into a clean pulse or a sustained push on-push off signal. It can operate from 3v to 18v . . . [Circuit by David Johnson P.E.,  03/26/02]


Turn D-Flip/Flop into a One Shot Circuit  -  Yes you can use cheap D flip/flop logic circuits as nice one-shot pulse generators. This schematic shows how the popular CD4013 and the CD74HC74 can be used to generate pulses ranging from nanoseconds to seconds . . . [Hobby Circuit designed by David A. Johnson P.E.,  06/06/00]


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