Vintage Synth Repair

Scott-
Thanks for your reply. To me more specific (as I should have been 
originally) I'm looking for exponential frequency response on-chip. 
But perhaps I can add a log front-end to the EXAR chip (forgot about 
that one!)
Regards-\Tom

--- In vintagesynthrepair@yahoogroups.com, scott frye 
<painintheamp@...> wrote:
>
> Still available:
> 
> http://www.futurlec.com/ICLinearOthers.shtml  (8038 and the XR2206)
> 
> The 555 timer can also be set-up as a VCO
> 
> and whilst I'm at it a cool wiki link for all the 4000 series CMOS 
chips
> 
> http://en.wikipedia.org/wiki/List_of_4000_series_integrated_circuits
> 
> Scott  Frye
> AudioFixation
> Consumer / Pro Audio Repair
> Southern VT 
> 
> "Looks like verk of Moose and Sqvirrel !!!"
>