[sdiy] Midi opto isolators

[Jozsef Baksay]

At 08:57 AM 2/26/2002 -0500, you wrote:
> >   What do you guys use for your opto isolators?
> > Ive used a 4n25, never had problems with it before, but I am now....
> > someone said its not fast enough (though reading the spec it claims fast
> > rise/fall times giving over 100Khz)
>=====================================
>
>i forget the part number, but i've had good results with a chip that
>includes a trigger, so the pulse edges don't get 'fuzzy'.
>
>6n137 ?

6N138. The fast, the good and the cheap :)

Topy