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 !!!"
AudioFixation
Consumer / Pro Audio Repair
Southern VT
"Looks like verk of Moose and Sqvirrel !!!"