[sdiy] Theremin controller

[John Luciani]

On 5/16/07, RichR <rrowley at btinternet.com> wrote:
> Hi
> Following the messages on the list in May about the digital theremin I
> decided to build one.The theremin works but the arial range is restricted to
> 6 inches.
> I've put a 68 MH inductor in series with the antenna but it made the
> smallest difference.
> Is there anything else I can try
>
> I used this schematic up to U6
>
>  http://home.att.net/~theremin1/Glasgow/schematic.gif
>

Is your power supply ground tied to earth ground?

(* jcl *)


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