[sdiy] Gate Delay & NE558

[Theo]

A simple solution would be
a 1M pot,
a 10uF cap,
a comparator (opamp),
2 resistors to set the comparator threshold
and a diode parallel to the pot to discharge the cap if the gate goes low.

Just a thought,
Theo


----- Original Message -----
From: Nils Pipenbrinck <np at inverse-entertainment.de>

> Hi.
>
> I think about adding a gate delay to my asm-1 style adsr envelope
generator.
> I still have a hand full of old NE558 quad timers here which I used some
> years ago (for a cool video-effect btw).
>
> It would be really easy to built a gate delay using one of these, but I'm
> not sure if it's a good idea at all. I've read about the 555 that it will
> mess up the rails and produce nasty spikes. I think the 558 and 555 are
not
> that different.
>
> Anyone has experience with them? Or and advice how to built a "clean"
> monoflop?
>
> Thanks in advance,
>
> Nils 'no ota today' Pipenbrinck
>
>