> When I built my Gate Sequencer I had problems using the LM358 as aLM358 are all over the place with regards to specs. Initially I was using a
>comparator. I think the transition time may be too slow. Instead of a
>sharp trigger/pulse, there was a ramping up. This caused the CMOS chip
>trigger/count to be very jumpy.
very good batch when designing with them. Later I got a poor batch, realised
the problems and phased them out. For single rail supplies, perhaps the
MC34072 would do the trick if a TL072 won't.
Ken
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Ken Stone sasami@...
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