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Subject: RE: Zero Crossing Question
Zero Crossing QuestionJohn,
I think you already have the answer to the problem. You stated that "Harris
or Intersil IC's work properly regardless of the mains polarity." Some
years
back I had an issue where another manufactur
John,
Or another example where different companies' equivalent parts are not
equivalent-- this is one that I ran into in 1977. I had designed a
Power-On-Reset (POR) circuit using a 555 timer, and had tested the circuit on a
solderless breadboard. I was being sneaky in my design, and used the R
Hi Folks
Could this ON Semiconductors problem be something to do with:
a) The fact that the neutral is generally not at ground potential, but has
floated up due the current flowing in it?
or
b) The actual PSU has a filtering arrangement that is non-symmetrical wrt
true ground?
(Ofte
Zero Crossing QuestionJohn,
I think you already have the answer to the problem. You stated that "Harris
or Intersil IC's work properly regardless of the mains polarity." Some years
back I had an issue where another manufacturer's replacement was substituted
for a Sprague ULN2003 Darlington Array th
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