Sujet : Re: reset circuit
De : jrr (at) *nospam* flippers.com (John Robertson)
Groupes : sci.electronics.designDate : 07. Jun 2025, 20:29:06
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <10223u2$38m9k$1@dont-email.me>
References : 1
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On 2025-06-07 9:41 a.m., john larkin wrote:
We have a box that has to never make any false outputs. Bad things
could happen.
Part of the fix is to have a solid powerup reset signal, to handle
power brownouts or such. This looks OK:
https://www.dropbox.com/scl/fi/cejyyhcrdph1bewn8a6nx/P800_Reset_1.jpg?rlkey=leky75poeerbojmd3xjat4z54&raw=1
The 12 and 5v rails will have a bunch of downstream bypass caps. The
dump resistors will discharge them.
Did you allow for the voltage drop across the transistor in your Reset Supervisor selection?
Just asking...
John :-#)#
-- (Please post followups or tech inquiries to the USENET newsgroup) John's Jukes Ltd. #7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3 (604)872-5757 (Pinballs, Jukes, Video Games) www.flippers.com "Old pinballers never die, they just flip out."
reset circuit
Re: reset circuit