Electronics > Beginners

1 NE555 timer and 1 LED circuit question

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ArthurDent:
Here is a pulse stretcher I designed years ago to lengthen the 25us 1pps pulse from a Z3801A GPSDO so I could have it flash an LED and also be used as an output. Note I used supply decoupling and supply bypassing and pin 5 has a capacitor to ground. It worked flawlessly for years, 24/7.

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