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Offline Homefire
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« Reply #260 on: August 07, 2018, 01:41:47 pm »
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I have a mess going on here with that stuff.  I don't know what's old and what's changed.  Must be like 7  versions of the thing floating around.  Somehow I have this one and the XR-71 stuff all jumbo-ed in one pile.

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« Reply #261 on: August 07, 2018, 03:48:16 pm »
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thank you homefire, I find a book on the internet that describes all the construction details of dbp2010 and 2 or 3 other metal detectors.I will now attack the construction of dbp2010

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« Reply #262 on: August 10, 2018, 11:03:24 am »
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hello, I can not find the resistance of precision 1% here in Tunisia, is there a solution to buy these resistances in Europe or America, thank you

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« Reply #263 on: August 10, 2018, 05:09:32 pm »
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   Just use 5% .  Go through some and pick out the closest ones you can.   

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« Reply #264 on: August 10, 2018, 07:02:05 pm »
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thanks, it does not affect the sensitivity of the circuit ?

Posted on: August 10, 2018, 06:35:08 pm
is there a detector to build that uses a standard resistances with 5% of tolerance, and which has the efficiency of this dbp2010.thanks.

Posted on: August 10, 2018, 06:43:58 pm
Another question; the depth of detection for a single coin isolated, and the same assembled coins, is the same. Thanks again.

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« Reply #265 on: August 10, 2018, 07:44:47 pm »
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The idea of using 1% is to have the values tight and  as possible to the design.   If you use 5%, 20% or what ever it make no difference if you check the values and cherry pick the best.  You may even end up with values tighter then the 1%, Eaa?

The choice of using 1 , 5 or 20 %  only insures the required values are somewhat Spot on as designed.  Some portions of the circuit may benefit or required such tight figures and  tolerances and other sections just close is good enough..  Again if you do as above you've done better then was being asked.

As for Single Coin for that detector I have no Ideas.  Never used one.  Like any other MD it would have to do with how you have it configured.  A large coil is not going to be a coin machine. 

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« Last Edit: August 10, 2018, 07:47:58 pm by Homefire »
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« Reply #266 on: August 22, 2018, 05:56:48 pm »
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hi guys
please where can i downloads dbp 2010  all files?
thanks


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« Last Edit: August 22, 2018, 05:59:15 pm by diako »
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« Reply #267 on: August 22, 2018, 07:22:45 pm »
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Quote:Posted by diako
hi guys
please where can i downloads dbp 2010  all files?
thanks


When you have 25 posts here, you can download anything you like from our download section. Until then, sorry, you're on your own.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
Let's Talk Treasure!

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« Reply #268 on: August 22, 2018, 08:14:05 pm »
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 Shocked  25 posts !!!!
ok - i try do it
  thanks


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« Last Edit: August 22, 2018, 08:15:19 pm by diako »
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Offline GoldDigger1950
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« Reply #269 on: August 23, 2018, 01:12:22 am »
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Quote:Posted by diako
Shocked  25 posts !!!!
ok - i try do it
  thanks


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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
Let's Talk Treasure!

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