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#8
09-19-2013, 08:29 AM
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Bravo folharin!
Very good - Thank you very much! I have a few questions for you. Please specify: Question 1  - Is the green wire condenser. If so, that his label? - The value of capacitor 103 is pico farad, nano farad, micro farad? Question 2  - Where the body hangs coil (ferrite or plastic or air)? What is the diameter of the body? - That the component of the 100K resistor or capacitor? Question 3  - Capacitor 104 is in nano, pico or micro farad? - Where the body hangs coil (ferrite or plastic or air)? What is the diameter of the body? Dear folharin! Thank you in advance for your answer! Wish you all the better Sneshko 
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#11
09-19-2013, 06:41 PM
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Congratulations folharin
Please explain how this circuit function.? Very low power transmitters 
__________________
 Knowledge is the greatest wealth
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#12
09-22-2013, 02:30 PM
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Hi Folharin
Thanks a lot for presenting such info. It seems it’s a passive receiver without any oscillator, yes? Cos in my country PRs give no result, but the ones with oscillator work more or less. Regardless of that, Would you please notice to these: 1- which kind of test target have you detected? Please reflect all details; metal type & size and detection depth & distance with age of burial. 2- clarify some vague info; the most important is coils formula and their positions. In coil stimulator part; which type of coil? 35 turns of which wire? What diameter? And in Sensor part we see a 8 turns 1mm coil connected to 5 Cm antenna, is vague. 3- is IC 741 the UA741? If you have serious decision to help others to make a true copy of this detector I think is no problem for you to take some clear photos of your own made device from appearance to inside the box, and mark how is the exact positions of all components especially coils. Cos as I know e.g. stimulator coil position to antenna coil is important. Regards.
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#13
09-22-2013, 03:33 PM
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This is an original copy of dch 85m mineoro
he issue beeps in field tests 20 years silver and gold coins buried approximately 3 meters distance I'm posting this scheme so that they can build and help me make it directional el issued beeps in front and sides and is not precise location of the buried object
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#14
09-22-2013, 09:25 PM
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brother folharin very thanks by your post and help, i say you, what the lrl how dchs cant pinpoint good center the subject, also the signal is cut in middle when you pass over, you need of md help, for a major pinpoint you need other class antennas configurations, ferrite can be major option, but ferrite isnt possible make easy manner for rx and rx relations, isnt easy this you need, may be if your put signal modulation be most direcctional, you work today whit disperse signals, those derivate around of coils how a circular electromagnetism, may be if you put a dc coil around all these total antenn what concentrate the signal at front, wtb this only my teory, my congratulations for your actual succes whit these circuit atte your brother hobbist detectoman
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#15
09-22-2013, 09:32 PM
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brodhy folharin, can you please say me what figure is in your avatar image? jajaja, semms impresive, jaja a embarace
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#17
09-23-2013, 12:00 PM
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Quote:
__________________
Geo
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#20
09-23-2013, 06:08 PM
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jajajaaj folharin! i only see here a head whit much hair ..
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#21
09-23-2013, 07:21 PM
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fhn. i no see any gold dust here mm jaajaja
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#22
09-23-2013, 07:29 PM
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Perhaps this schematic photo are the most effective
__________________
Knowledge is the greatest wealth
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#24
09-23-2013, 11:28 PM
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jajaj
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#25
09-23-2013, 11:29 PM
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may be hung made these
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Linear Mode
