Sep 22, 2009 #1 B buddace Junior Member level 1 Joined May 6, 2007 Messages 18 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,378 Hello, this is schematic of loconet tranceiver (one wire serial line) (I add 1k pullup resistor) **broken link removed** I have problem whit lm393...it don't work correctly...some times. With high input out is Low....
Hello, this is schematic of loconet tranceiver (one wire serial line) (I add 1k pullup resistor) **broken link removed** I have problem whit lm393...it don't work correctly...some times. With high input out is Low....
Sep 22, 2009 #2 H helios31 Junior Member level 1 Joined Jul 17, 2009 Messages 15 Helped 3 Reputation 6 Reaction score 0 Trophy points 1,281 Location France Activity points 1,364 LM393 has an open collector output, not visible on your schematic. Unless present outside, this is not correct.
LM393 has an open collector output, not visible on your schematic. Unless present outside, this is not correct.
Sep 22, 2009 #3 B buddace Junior Member level 1 Joined May 6, 2007 Messages 18 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,378 There is 1k pullup between pin1 and vcc (not in schematic)