Musical Engineer's Handbook VCO - Missing Parts

[Magnus Danielson]

> I'm trying to build the VCO in the musical engineer's handbook (ch 5b,
> p24,25) by Bernie Hutchins, 1975.  I can't seem to track down a CA3080 or an
> AD821.  If anyone knows what I could use instead, It'd be appreciated...

Harris makes the CA3080, take a peek at

http://www.semi.harris.com/datasheets/lin-tel/ca3080/

Check out this page to see if you can find someone that can supply you:

http://www.semi.harris.com/contact_us.html

Haven't found anything about the AD821 at Analog Devices...

Cheers,
Magnus