[sdiy] Additive Synthesis questions

[Ian Fritz]

At 04:13 AM 4/11/2010, Neil Johnson wrote:
>Umm...
>
>http://www.milton.arachsys.com/nj71/index.php? menu=2&submenu=0&subsubmenu=2

Not sure why you would want three phases here?


>If you just want sin/cos then two gain cells and an inverter will get
>you there.

If you use ordinary OTAs then you don't need the extra inverter -- just use 
opposite polarity inputs. Again,
http://www.electro-music.com/forum/topic-19841.html

Ian