[sdiy] Low Pass Gate is soooOOOOooo sweet

[Joe Kramer]

harry wrote:

> With some of the new ultrabright white LEDs
> (or any other color that matches the cell response
> well...) you should be able to make the response
> time of a (gasp dare I say it...) DIY photocoupler
> much faster than these old designs. LED have come
> a long long way since my first one in 1974...

Hi Folks,
    If it's speed you're after in an opto-isolator, look into some of the
Silonex/Audiohm units.  A rep for them told me about a NSL32-type that he called
their "super" version, with almost no lag time at all.  Not too expensive, and
Allied carries them.

Regards,
Joe Kramer