opto couplers

[chris]

Daniel,

  Check out the 6N136,6N137,6N138 or Sharp PC-900 optos.  have heard from
other designers they have fast-enuff slew rates to be good.

chris

At 11:07 PM 7/1/97 +0200, you wrote:
>Hi all,
>
>The last couple of weeks I'm busy making a midi interface with a
>PIC16C73, for one of my analog synth projects.
>The opto coupler I used in the first place was a CNY17-2 from QTC, which
>didn't work properly. After measurements I found out that this one was
>just to slow, because the rise and fall times at the transistor side
>were too long.
>After that I used the same type but from an other manufacturer (HP I
>think). This opto worked well.