[sdiy] xr2206/xr2207

[Keith Daniel]

>>The XR2206,XR2207, and the 8038 are all only suitable for LFO applications, 
>>in my opinion.  They do not have sufficient linearity for a pitch source...

>If the linearity problem was resolved somehow, would there be any problems
>with tuning drift?...

Not generally worth the effort, unless you are on a desert island. The workarounds would cost pretty much the same as building a stable design from discretes.

Just an opinion, take care.          kwd...