[sdiy] Opto-transistor question

[Lanterman, Aaron]

On Mar 14, 2012, at 3:57 PM, Harry Bissell wrote:

> There is a FET optocoupler H11 something (someone else will tell you the number) that has been used
> with some success, although like most FET VCAs it has a kind of limited signal input range.

One of my students had some luck with using H11 FET-type optocouplers in place of Vactrols in a Buchla Lowpass Gate. Had to change the capacitor values to compensate for the different resistance range.

- Aaron