John Moriarity wrote:
I want to build the "continuously variable audio filter" that's been in

the

Handbook recently but it seems the main chip, the Maxim MAX295 is out of
production.
Does anybody know of a source for these or an easy substitution? Thanks.
Andy W1AWB



Andy,

Try the following URL. It lists a lot of
places to try.

http://www.repairfaq.org/REPAIR/F_Obsol_IC.html

73, John - K6QQ


Isn't that chip currently used in the K2 transceiver? Where is
Electcraft getting them?