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Offline GoldDigger1950
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« Reply #570 on: February 05, 2011, 03:26:25 pm »
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Quote:Posted by madmax
not the friend I have my multimeter
 lf 357 replaces the TL081 can be the one which poses problem


Sorry but without the unit in front of me or some test measurements to look at, it is impossible to troubleshoot like this. There are several threaded topics here describing the use of a PC sound card as an audio frequency oscilloscope. Perhaps you should search for them and add a bit of capability to your working on DIY projects. The software to run it as a scope is free and the cable you need costs only a few dollars.

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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!

Offline madmax
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« Reply #571 on: February 20, 2011, 02:55:20 am »
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 Sad
hello
 my pulse runs Delta's ok my irf 740 hs and hs amp TL071
 it works now
 I would not make a big 1x1 0.80 x 0.80 but less cumbersome because
 So no categire 5 or ptt and enamelled wire quash the disassembly of the frame
 I propose another solution because I have not found alternative
 otherwise enamelled wire coil 0.80x0.80 how many turns and how to use section
 thank you friends


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Offline dirkbauke
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« Reply #572 on: March 25, 2011, 01:37:43 pm »
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http://teknolojiekibi.com/deltap2_eng.html


Turkish site, you have to translate with Bing(right click)
Delta Pulse kits, or ready made for cheap!
You can make your own busines, alike the guy selling them here.

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Offline fixxx
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« Reply #573 on: April 04, 2011, 06:02:47 am »
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Hello everyone!!!
I finally finished my detector!!!Thank`s everyone for help.My DELTA SNIFFER Xr - 71 works great!!!
For now i have made only small coil 32cm with adsl cable,works wery stable!
I put some pictures of it...........

Posted on: April 04, 2011, 05:15:38 AM
full asembled in the box....

Posted on: April 04, 2011, 05:29:01 AM
other side of the box....

Posted on: April 04, 2011, 05:32:59 AM
And my friend Eddie Maiden with rod and the coil  Smiley
Regards............fixxx

Posted on: April 04, 2011, 05:51:58 AM
I am still thinking wich cable to use for making big coil 1m x 1m Huh?
Can anyone with more experience tell me what is the best solution???
Thanks         fixxx

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Offline xavier
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« Reply #574 on: April 04, 2011, 07:47:44 am »
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Hi Fixxx

You did a great job on the box well done.

Regards Xavier

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So many questions so little time

Offline electrosoft
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« Reply #575 on: April 04, 2011, 08:06:20 am »
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hi for 1m x 1m coil use 0.6 or 0.5 wire 8 turn test by me 3 hom

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Offline fixxx
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« Reply #576 on: April 04, 2011, 11:07:44 am »
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Hello Electrosoft!!!
Thank you for information!Is your coil 1m x1m with cooper wire working stable on this detector???I made one side pcb by Eugen.I post the picture.I only worried about stability.
Thank`s................fixxx

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Offline lazo
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« Reply #577 on: April 05, 2011, 02:33:30 am »
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thanks friends very good


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Offline fixxx
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« Reply #578 on: April 08, 2011, 04:34:00 am »
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Hello!
I saw on forum solutions for big coil 1m x1m that it had been used electrical wire 2mm (in plastic shield-3mm).
Any experience???Does anyone tell me what is the best solution - cooper wire or electrical cable???
Thank you everyone,very much...........fixxx

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Offline Engr Obaid
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« Reply #579 on: April 08, 2011, 07:18:57 am »
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Dear ,

Use 24 SWG copper coated wire for 1m X 1m having 16 up to 18 turns , it will give very good result , try it

Thanks ,

Obaid  

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« Last Edit: December 31, 1969, 06:00:00 pm by Engr Obaid »
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