MOTM

Yup, just that simple circuit.  Took me about 5 minutes with a 
RatShack protoboard.  No control, and the demo cycles so after a 
while you really want to start tweaking.  The other circuit is easy, 
too, especially if you eliminate the amp and filter parts.

Mike, also assembling a dual band pass filter module


--- In motm@yahoogroups.com, "charlesosthelder" <osthelder@n...> 
wrote:
> Did both and placed the order with Brice!
> 
> The demo circuit looks ridiculously simply.  What control do you 
have 
> over that?  Is there an input I missed or is the voltage varied?  
If 
> you got all of that from tying all those pins together, the 
> entertainment factor alone rationalizes the 25 bucks!
> 
> Chub
>