false signals triggering 555 timer

anybody knows something about this? i got a good 7812 power supply with big capacitors and some small mkm , and pin 2 connected to + with a 10k resistor wich improved a lot,but not all of the error triggers.

thanks.abe

--










remove x in mail adress to reply
Reply to
aha
Loading thread data ...

all

I would suggest bypass caps from the Vcc pin to ground; 0.1uF ceramic, and

10uF tantalum should help.

Also, make sure the control input is bypassed to ground using a 0.1uF cap.

Regards, Bob Monsen

Reply to
Robert C Monsen

ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.