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Offline blacktaci
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« Reply #880 on: May 22, 2019, 02:51:13 pm »
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Quote:Posted by ram
hesamavr,
               this pcb's 200% no errors.

and my powerful ugly dp.
this is my 1st dp double sided pcb, from eugene52. and it works fine w/out errors batt/low indicator omitted. i use irf 840 and same power output. this was tested in very harsh invironment to proved the reliability and stability of dp schematic i posted in actual usage in different kinds of soil including salt water, i test it in actual underground burried metals in 40cm search coil at 5ft it detects the metal cal 5.56mm ammo box.

in testing pi machine dont rely on air test, it is very different in actual ground burried test. and dont believe on pi discrimination function its not functional. unless, if separate metal location and same size metal in different kinds of metal and same deepness. it is impossible to discriminate mixed metal in same location/hole,eg big aluminum metal above the small gold.

Linkler šalışmıyor.


Posted on: May 22, 2019, 01:36:09 pm
Quote:Posted by hesamavr
I built delta pulse, with my own designed schematic and PCB. its PCB was designed with a lot of attention to noise and quality. it is two layer metalized board with ground shielding. I used high quality components because I hoped I can get even better results with this method.

Result : it doesn't work!.

when you power the circuit ON, the speaker makes noise and a VU_meter acts and goes to end. it works like you have a metal near the coil, but without metal. no action when you change the potentiometers. I adjusted the frequency to 120Hz. I put a lot of time for this circuit. Unfortunately, I'm little disappointing now. it consumes the current between 90-100mA.

its photo is here. although it doesn't have a good quality, but you can consider all over the circuit.

if the Delta Pulse has a correct designing, its PCB should have some differences with the schematic which is posted here. because I designed the new PCB exactly based on the last provided schematic in this forum.




links not working

Posted on: May 22, 2019, 01:38:41 pm
Quote:Posted by Logenxxx
Hello Eugene!
I am an electronic enthusiast and planning to make the delta xr71 project,
but before proceeding to make my pcb, i am still checking first if the schematic circuit match to the pcb layout.
I noticed in the schematic ver. 6 of the delta xr71  that the ic 4538 vdd and vss terminals has no connection while in the one sided pcb they are connected, how will you account for this?

thanks and regards.




links not working


Posted on: May 22, 2019, 01:44:03 pm
Is there a delta pulse pcb circuit.
Thank you

Posted on: May 22, 2019, 01:50:21 pm
Thank you for the schematic.



Posted on: May 22, 2019, 02:47:14 pm
Quote:Posted by Homefire
 Check all components I indicated within the circle.

Your voltage drop on Pin 9 could be bad component, Partial Short , even a component  set with wrong orientation (FET, Diodes, C-32). 

Solder Bridges?,

C-32 Partial Short ? Orientation ?

Contamination on PCB.  Flux ?

Check all your associated Voltages to GND.

+E
-E
-12

HF



Thank you for the schematic.



Posted on: May 22, 2019, 02:48:36 pm
thank you for the schematic.



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« Reply #881 on: May 23, 2019, 04:27:22 am »
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Quote:Posted by fixxx
                                                              Hello everyone!!!
     I am from Serbia.I am beginner in the treasure hunting.I made one simply detector that i found on you tube.It works great,for all metals.
      Now i want to make something more seriously,Sniffer XR71.
Serbia have many places to research.My english is not too good,but i will post everything which i have collected.
       Best regards.............from Serbia!!!!

Posted on: November 18, 2010, 02:29:01 PM
this is shematic,in protel,i found on geotech forum.sory but bad english

Posted on: November 18, 2010, 02:42:42 PM
Is this PCB good?

Posted on: November 18, 2010, 04:04:41 PM
anyone have list of components,it will bee more easier for me to make this detector?Huh?
        thank you !!!! Smiley Smiley Smiley



top links don't work

Posted on: May 23, 2019, 04:21:49 am
Quote:Posted by fixxx
                                                              Hello everyone!!!
     I am from Serbia.I am beginner in the treasure hunting.I made one simply detector that i found on you tube.It works great,for all metals.
      Now i want to make something more seriously,Sniffer XR71.
Serbia have many places to research.My english is not too good,but i will post everything which i have collected.
       Best regards.............from Serbia!!!!

Posted on: November 18, 2010, 02:29:01 PM
this is shematic,in protel,i found on geotech forum.sory but bad english

Posted on: November 18, 2010, 02:42:42 PM
Is this PCB good?

Posted on: November 18, 2010, 04:04:41 PM
anyone have list of components,it will bee more easier for me to make this detector?Huh?
        thank you !!!! Smiley Smiley Smiley

links at the top links don't work

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Offline nickel_n
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« Reply #882 on: May 23, 2019, 05:32:05 pm »
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Quote:Posted by blacktaci
links at the top links don't work

that's what happen some times when the link its very old.
look at the date of the post.
November 2010.its a very very old post

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Offline blacktaci
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« Reply #883 on: May 24, 2019, 05:55:53 am »
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Quote:Posted by nickel_n
that's what happen some times when the link its very old.
look at the date of the post.
November 2010.its a very very old post


Thank you very much.

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« Reply #884 on: May 25, 2019, 05:48:56 pm »
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BOM file revision 5.0

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There are 1 attachment(s) in this post which you can not view or download

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DP_BOM.pdf


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« Reply #885 on: May 28, 2019, 02:29:05 pm »
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Quote:Posted by Eugene52

Thank-You NE555,

Glad you are Helping Everyone with Pulse Induction Circuits and Projects.

Best Regards.............Eugene



Do you have legent rev 5.0 pcb lay out file

Posted on: May 28, 2019, 02:08:20 pm
this is new board.
do you have pcb lay out file.

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« Last Edit: May 28, 2019, 02:34:06 pm by blacktaci »
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« Reply #886 on: June 02, 2019, 05:13:38 pm »
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why 16USD board is so big price for you if you do 5000USD project? i wasted 5 years to learn this schematic,
to learn P-CAD, why you want all for nomoney if you buy tabacco and vodka everyday for MONEY?
nobody gives you cigaretes FOR FREE - SIC!

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« Last Edit: June 02, 2019, 05:15:23 pm by NE555 »
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« Reply #887 on: July 25, 2019, 10:27:55 am »
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NE555
I was afraid of you.
What money  Shocked

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« Last Edit: July 25, 2019, 10:29:05 am by blacktaci »
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« Reply #888 on: July 25, 2019, 10:34:59 pm »
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all PCBs' batch are selling on ebay. no will be winter project from me cos people are so ignorants.

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« Reply #889 on: September 03, 2019, 01:36:45 am »
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<a href="http://www.youtube.com/watch?v=CLuhBUb4soA" target="_blank">http://www.youtube.com/watch?v=CLuhBUb4soA</a>
it works really well. 50 cm coil. 20x30 pcb plaque. Able to take 2m40cm under ground

NE555 Thank you very much indeed. Very good PCB design  Clapp Clapp Clapp Clapp



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« Last Edit: September 03, 2019, 01:39:23 am by Tufan »
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