Originally posted by Mike(Mont)
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fitzgerald is a big lie
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The frequency 100 hz .. 150 or 200 hz is not for MDF ...you need ever KHZ. For good MDF must be at least 60kHz
and also good power.
Look this details for frequency
God bless all - Nicolas
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I've looked at again pdf-1000 system Produces 32 Hz frequency oscillator for gold.But the frequency is not transmitted to the ground
And the output is connected to the GND system
The signal goes to 4 coils for Wheatstone bridge and finally telescopic antenna.
What do you think? What is the reason for this work?
Knowledge is the greatest wealth
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Wheatstone AC Bridge
It's Wheatstone AC Bridge!!!Originally posted by Mike(Mont) View PostI don't know much about electronics, but that is not a wheatstone bridge.

Read more at:
Do not take life too seriously. You will never get out of it alive.
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Mike is correct. It's not a Wheatstone bridge.
Post #34 shows 4 inductors in series that loop back to the same point, Basically, they're might as well not be there. The design is just the usual rubbish - a few random components thrown together to fool the technically challenged.
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I'm not here to defend Bob Fitzgerald's high prices. Like I said I am not that versed in electronics but my logic skills are decent. So my first observation is that skeptics cannot seem to understand that if the designer put it there, it has some purpose. I don't care to discuss my thoughts about how I think it works. But I know well how the skeptic mind works: Refuse to accept something you are envious of (or afraid it might eat into the metal detector profits) and come up with a thousand excuses why it won't work, but never admit the real problem is operator error. It's called the blame game and those who subscribe to it are called prisoners of blame.
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"WHAT HAS BEEN DONE, CAN BE DONE"
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