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  #51  
Old 02-19-2016, 10:58 AM
brasilpb brasilpb is offline
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  #52  
Old 02-19-2016, 04:08 PM
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OK, thanks.
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  #53  
Old 02-20-2016, 05:31 AM
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Quote:
Originally Posted by Geo View Post
Hi.
From what i know there is not any omega or coplanar or ferrite coil.
Mineoro 2000 is a DCH85 detector with some mods.
At old DCHs there was a simple coil (one open turn) for the receiver, one coil (one open turn) for the rf sniffer (TDA7000) and one coil for coil stimulator. Also there was a one turn coil tuned with 150pf capacitor (as filter). You can search forum for everything about DCH and will understand everything about this detector.

Regards
Thank you Geo !!

Valuable informations !!

It seems to be some very tiny signal hunter at particular frequency. Very narrowband.


ps: about so called Mineoro Ionic chamber - for some of their detectors i think it work as Nano-Pulser (generator) with extremely law duty cycle. To catch such very sharp rising times (canbe in pico second domain) you need have some of 1GHz oscillograph bandwidth.

By the way this Mineoro "Ionic chamber" is very similar to Nikolai Tesla Spark-Gap controller and also with Edwin Gray tube (as main part of his Free Energy generator).


ps: I have not worked with any of Mineoro detectors.South american technology is unknown to me....

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  #54  
Old 02-20-2016, 07:34 PM
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Hello brasilpb.
For the discrimination there is another one selector.
Can you tell me where is connected???

Thank you
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  #55  
Old 02-21-2016, 01:30 AM
brasilpb brasilpb is offline
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in this version, that you postou, it must be the key to bind.
https://www.youtube.com/watch?v=LIfACSTQFT0
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  #56  
Old 02-21-2016, 05:20 AM
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Sorry my mistake.
On the head there are 2 switches, one that changes the 3 coils and one yet. What it makes the other switch??

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  #57  
Old 02-21-2016, 10:11 AM
brasilpb brasilpb is offline
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In my it only has a key, of the discrimination, and a key to test the stacks, power and off in the potentiometer.
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  #58  
Old 02-21-2016, 10:54 AM
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Thank you
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  #59  
Old 02-24-2016, 09:28 PM
enjoykin4 enjoykin4 is offline
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Hola brasilpb


informations about

1. Bobina Estimuladora
2. Bobina Receptor
3. Bobina connected to collector BC648 and other terminal to 22k resistor and make oscillator oscillating.

Dont talk ?? The reason ??
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  #60  
Old 04-07-2016, 10:34 PM
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Hi brasilpb,
these small "antenna" coils ,are connected somewhere in the PCB or not???
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  #61  
Old 04-08-2016, 10:50 PM
brasilpb brasilpb is offline
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They do not have no linking in the circuit.
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  #62  
Old 04-09-2016, 10:45 PM
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They do not have no linking in the circuit.
so, it's one of those RF related loops, which they often use in mineoro's.
Thanks for the answer brasilpb.
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  #63  
Old 04-10-2016, 04:33 AM
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so, it's one of those RF related loops, which they often use in mineoro's.
Thanks for the answer brasilpb.
No, i"ll contact and inform you.

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  #64  
Old 02-17-2018, 10:49 PM
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Hello friends,
What chip is this with a red circle ??
Does anyone in the forum know how to identify it ??
Or give some opinion or suggestion based on the scheme of this circuit.
Thanks to all who can help me.
.

Name: 148p3b.jpg Views: 8599 Size: 838.1 KB
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  #65  
Old 02-18-2018, 05:59 AM
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If you interesting to construct it, you can make an oscillator at the same frequency (555. 4011 etc) and connect it to 4k7 resistance.
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  #66  
Old 02-18-2018, 05:14 PM
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Quote:
If you interesting to construct it, you can make an oscillator at the same frequency (555. 4011 etc) and connect it to 4k7 resistance.
I am grateful for the attention.
I want to try to set up and see how this detector works.
I'll try some of these ICs, I hope it works.
But also I will be waiting for someone who knows that mysterious CI may appear.
Thank you my friend.
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  #67  
Old 02-19-2018, 12:27 AM
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What is the function of the other 555?
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  #68  
Old 02-19-2018, 07:31 AM
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There are 3x (555).
One is for audio (buzzer driver), one for battery test (i think) and the other is for coil stimulator.
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  #69  
Old 02-19-2018, 01:57 PM
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Default 555
Hi Geo , I think One is for audio (buzzer driver), other Two are for Stop of Stimulator Transmitter with (S) Button Controller ,(maybe will works only so like Passive Receiver).
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  #70  
Old 02-19-2018, 05:25 PM
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Yes you have right.
With the existing values the 555 gives a pulse of 110sec and turn on the 2 transistors.
Nice observation
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  #71  
Old 02-19-2018, 05:31 PM
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If i remember good... it is for pinpoint when the signal is very strong.
But i don't think that we will locate so strong signal with this device ...
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  #72  
Old 02-20-2018, 08:07 PM
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Originally Posted by Geo View Post
Yes you have right.
With the existing values the 555 gives a pulse of 110sec and turn on the 2 transistors.
Nice observation
Geo I write Wrong for works of 555, because Coil Stimulator works only if "S" button is pres.
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  #73  
Old 02-20-2018, 08:18 PM
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If i remember good... it is for pinpoint when the signal is very strong.
But i don't think that we will locate so strong signal with this device ...

Yes , Pinpointing olny with inside BFO circuit and with minimum sensitivity so like MD.
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  #74  
Old 02-21-2018, 10:18 AM
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so, it's one of those RF related loops, which they often use in mineoro's.
Thanks for the answer brasilpb.
Yes, You are Right Bill about Disc. My Two Version home made Mineoro works with same logic .
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  #75  
Old 02-22-2018, 02:59 PM
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What is the receiver coil used in DCH85? Please show some pictures...
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