Joe Denehan wrote:
>Can anyone suggest a site to learn more about bandpass filters (don't need
>to be very accurate, just for lighting effect). I'm trying to build an audio
>spectrum analyzer and will be using Op-Amp based bandpass filters and LM3915
>dot/bar display IC. Any help would be gratefully accepted.
>

Joe, try the following link - is a good place to find a lot of
electronics info:

http://www.epanorama.net/basics.html#analogue

I also have links to several other electronics tutorial sites, which
you could try mining, on my page:

http://www.oricomtech.com/teklink1.htm

best regards,
- dan michaels
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