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| General Electronics Chat Discussion forum for general chat about anything electronics related, including asking questions about material in the All About Circuits E-book, Worksheets, and Videos. |
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#1
09-25-2008, 03:13 PM
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Tone Detector
Hi,
I have searched the forum list, and found a 3 khz tone detector, but I could'nt make it work, is there any other simple way to make a tone detector but not with the lm567. Please some one comment on this, thank you very much in advance Kurnia Brahmana 
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#2
09-25-2008, 03:27 PM
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Just whip up a twin-t filter - http://www-k.ext.ti.com/SRVS/Data/ti...s/ssttbphq.htm.
__________________
First comes the hardware, then the software.
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#3
09-25-2008, 03:32 PM
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Hello,
Why don't you want to use the ne567? There are lot of good examples with this IC. Take a look at this page of the EDUCYPEDIA. http://www.educypedia.be/electronics/pll.htm An other way is make a sharp filter and detect the signal that is seen after the filter. Greetings, Bertus
__________________
You don't have to know everything, if you know where to find it. When you do ask questions, you may look stupid. When you do NOT ask questions, you will STAY stupid. It would be nice to have the Timezone ( GMT +/- x ) in the location field in the profile. (User CP -> Edit Your Details)
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| detector, tone |
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