[sdiy] xr2206

[Heitor Alves]

http://mypeoplepc.com/members/scottnoanh/slsdiy/id18.html

birth of a synth with some XR2206 VCO sample... no schematics or
detailed info...


On Fri, 21 Jan 2005 19:32:35 -0500, anthony <aankrom at bluemarble.net> wrote:
> I think maybe my query was a little too open-ended.
> 
> I've seen the Thomas Henry thing with the 8038, but nothing struck me as
> particularly germaine to what I'm wanting to do. Which is a many-functions
> stuffed in one box - VCO. His trick with the power on the 8038 was way more
> clever than I think I could ever mange.
> 
> I actually think I have a pretty good start with the circuits I've seen. I
> just have this feeling that the XR2206 can do more than they mention in the
> datasheet. Long ago I remember someone saying as much.
> 
> Someone has a web page "Birth of a Synth". It mentions an XR2206, but I
> couldn't find any details.
> 
> Maybe I am overthinking this.
> 
> 
> > On Fri, Jan 21, 2005 at 03:31:47PM -0500, anthony wrote:
> >> Anybody ever seen anything cool and unusual done with the XR2206?
> >
> > Look at Thomas Henry's site at his 8038 circuit.
> > http://www.midwest-analog.com/diylvco.html
> >
> > The same approach to making an 8038 not suck can be applied to the 2206
> > and
> > as mentioned before on the list there is an upcoming book from Thomas
> > Henry
> > about abusing the 8038 and 2206.
> >
> > I've built several of the 8038 vcos to play with.  The waveshapes are
> > nice,
> > but the chips are relatively expensive and since I make PCBoards anyway
> > the
> > minor additional wiring of just building a 4069 based VCO makes it
> > preferable.
> >
> > I do have some XR2206 VCOs, they are plain-jane Jameco function generator
> > boards which I use as LFOs.
> >
> > --
> > -----------------------------------------------------------------
> > - Tom Arnold       -  Free Synth DIY webspace http://www.sdiy.org
> > - SynthGeek        -
> > - BBD Fanatic      -  "...is it a virus, a drug, or a religion?"
> > - echo evho wjxo   -    Juanita Shrugs. "What's the difference?"
> > --------------------
> >
> >
> 
>