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Sci.Electronics.Basics -> electronic circuits

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Date: 01:48 27-04-08


Hi If any one want a help in doing electronic projects or electronic
circuits join this group else you can visit this site www.techknowl.com
Author: gearhead
Date: 12:02 27-04-08

On Apr 26, 10:48=A0pm, colorite...@gmail.com wrote:
> Hi If any one want a help in doing electronic projects or electronic
> circuits join this group else you can =A0visit this sitewww.techknowl.com

I looked at the "mosquito repellent" multivibrator that produces about
5kHz.
You would think mosquitos respond to extremely high freqz, but then I
googled mosquito hearing and got a couple links that show female
mosquito hearing peaks around 230 to 250 Hz.

http://www.pubmedcentral.nih.gov/picrender.fcgi?artid=3D1088611&blobtype=3Dp=
df

http://jeb.biologists.org/cgi/content/abstract/202/20/2727
1


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