[sdiy] voltage-controlled AM radio tuning

[James Dunn]

rdrake wrote:
> i've done it w/ FM... found a kit w/ variactor tuning and just jammed in a CV.  as cheater sed, CAF.
>
> bbob
>
>   
This is what I'm working on at the moment - using a Velleman kit from 
Maplin:

http://www.maplin.co.uk/Module.aspx?ModuleNo=32887&DOY=13m3

The tuning pot outputs a CV from 2-7 volts so a external CV can be 
applied here instead. It also has a built-in VCA on the TDA120U chip.

James