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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > How to detect ADSL signals on the telephone line ?
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chithanh04dt2
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« on: October 31, 2008, 05:48:58 05:48 »
Hello Cheesy
   
I want to do an electrical circuit has the function of detecting signals ADSL, when the report signals the LED. But I do not understand the signal ADSL has the characteristics to what I can use. Those who have experience please help me.
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jeanninemtv
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« Reply #1 on: November 01, 2008, 09:07:10 21:07 »
make a high pass filter
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pickit2
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« Reply #2 on: November 02, 2008, 01:27:38 01:27 »
Use an old adsl modem. just with power supply on it. the sync led will light to show status.
you could even remove most of the unused conponents on the pcb.
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