trigger question

[Paul Perry]

At 09:24 PM 18/07/99 +0200, charly <charly at softpink wrote:

>with the software i can change resistor and caps values so that the
>output pulse-width ranges from 10 psec up to 1000000 secs. is 10 psec
>enough or should it be in the nsec area?

in the 'real world', you won't get 10psec from a 555 ;-)

my feeling is, for this application, 15ms is a safe length.
Some gear triggers on the rising edge, making pulse length somewhat
irrelevant. But, I have seen stuff that wanted the full 15ms.

Another problem is this: what amplitude for the pulse?
Again, this is gear dependant.
I've always found 10v enough.

paul perry (Frostwave analog fx) Melbourne Australia

BTW always keen to hear experiences on this topic..