[sdiy] Idea for tuner/display

[Tim Parkhurst]

> -----Original Message-----
> From: Paul Perry [mailto:pfperry at melbpc.org.au]
> Sent: Monday, January 27, 2003 5:09 AM
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Idea for tuner/display
> 
> Slightly related, I would like a simple digital
> way to indicate which of two square waves have
> the highest frequency.
> I know there must be an easy way.. but, I'm not the guy to find it!
> 
> paul perry melbourne Australia

****************************************************************
Yipes! Boy, did I get that second link wrong. Here's the link I was talking
about (compares input freq to internal filter center freq).

http://www.e-insite.net/ednmag/archives/1997/030397/05DI_05.htm

The link I showed was an ap note for an Atmel FPGA based frequency
comparator. A great thing if you've got access to the programming tools. 

Tim Servo



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