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#1
02-02-2013, 08:24 PM
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signal detector
hello
This circuit can detect whether the signal is weak. Signal that is broadcast metals in soil. Please see guidance on coil and Ra and ca tnx 
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#3
02-05-2013, 06:59 PM
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Quote:
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#5
02-05-2013, 08:32 PM
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i sure that battery is correct connected can make clear vlf -elf wave?
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#6
02-05-2013, 08:54 PM
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Beside the battery,(please check again) you are sure r3 c2 is correctly connected? With those components connexion revised, I believe it can work to measure some rf signals strengths, but for what purpose?
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#7
02-05-2013, 09:13 PM
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tank you freinds
I've modified my reviews. Please give your opinion about this plan dear fred It is designed to measure the vlf and elf the radiation emitted from the metal..... best wish
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#8
02-06-2013, 11:25 AM
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Hello dear mustefa ubram!
What is L1? Coil, ferite coil... How many Оhms? Circuit R3 R4 C3 is "very much interesting". What does it exactly work? Where to go TP1? An amplifier, speaker ... ??? Indication of the IC1 =??? Many secrets! How do we know exactly what you want??? Thanks in advance for the answer!  Regards! Sneshko
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#9
02-06-2013, 02:08 PM
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1.l 1 is ferite coil .57uh 2.i think yes.this circuit is peramp for detect vlf signal.tp1 is out put for audio amp or other Equipment 3. 57uh no sneshko There is nothing as secret.I put this circuit to discuss and make I want to use this circuit to detect very weak vlf signals
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#10
02-06-2013, 07:33 PM
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What do you think about this design from ivconic
 ???
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#11
02-07-2013, 12:04 PM
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Hеllo dear mustefa ubram!
This circuit is very interesting! Please, if you will not be a problem - that set the full schematic of the electric circuit. Or post a link here where the full scheme of this circuit? Thanks in advance!  Regards! Snesko
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#12
02-07-2013, 12:44 PM
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for sneshko
Quote:
The circuit was designed by ivconic http://www.longrangelocators.com/for...45&postcount=8 http://www.longrangelocators.com/for...ad.php?t=14508 You can see full details in this thread best wish
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#13
02-07-2013, 01:53 PM
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Thank you mustefa ubram!
I forgot about this topic in the forum. On this link the topic a bit better elaborated. http://www.longrangelocators.com/for...ic+Gradiometer Thank you again! Regards! Sneshko
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Linear Mode
