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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Tech Talk > Metal Detectors > PI Designs & Deepseekers (Moderators: Eugene52, Cornelius) >

TO ALL THE DIFFERENCES BETWEEN DPB2010,DELTAPULSE,PULSESTAR-BG

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japanese Topic starter

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GARY PI

	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #20 on: July 01, 2010, 05:00:36 am »

hi raff33

that i finished until now---

1-all capacetanc (see up reply about capacetor),c15,c17 Ceramic.(only)

2-all resetanc special r23,24,25,26 =4.7k exact value ,r1=470k,r6=1k. r5=680/1w depend on coil

diametar--->bigger---->bigger r5---->max=2.2k

that mean r5=680 easy to you use small diam. coil

3-follow the schematic ver 6 as eugene say until the project work and improve any you see

4-until now i cant get p6= 100 ohm, d4=lf357,d5=tl062 i think use replacement, and i dont use stth1210d ,r50,r51 until work

5- i have a panel with metar , i start a panel with lcd,i finish.

6- i use c1815=bc456 , a1015=bc557

thats all i do , what the progres and what result you get Huh?

best time

j.

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raff33

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	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #21 on: July 01, 2010, 05:35:10 am »

hi japanese,
for me :
p6= 1k , d4=tl071 ,d5=tl072 , d6=tl072 ,d7=tl072 ,T1=irf840 ,
with 40cm diameter it detect a canet koka(330ml) at 60cm ; a coin (3cm) at 30cm ; iron plat 40cm*25cm at 140cm ;but i remarque that DP has poor detection for gold..... a coin (2.5cm) at 18cm.
- with 1m*1m coil it detect a canet koka(330ml) at 110cm ; iron plat 40cm*25cm at 2m no more , i test with other big iron plat 1m*60cm the same result Angry

and it is not stable Shocked

i don't now where is the probleme...............
regards...........raff33

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japanese Topic starter

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GARY PI

	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #22 on: July 01, 2010, 08:35:45 am »

hi raff33
good work,good aperance, you want to get full performance.
there is no problem in your project :-

1-the test in home with small coil eg.40cm,24turn,0.5mm , r5=680/1w it seem in your board

r5=1.5k ,1.5k-->2.2k work good with 1mx1m or 2mx2m

2-the reading you get not bad not good in between with 40cm coil,1mx1m

3- if can use 2mx2m you get new reading + chang 1.5k-->2.2k !! (out home)

4-try to chang tl071-->tl081, tl072-->tl082 , chang (1.5nf x3) and 47nf by another myler .

remark: i use tl062-->tl082 in ps-bg it is good.

5-what the data of your coils are used 40cm,1mx1m ....... if it your problem?

6-the deep=once,1.5 coil diametar (with good board +good coil).

7-tray to adjast p1 to p6 very good

8-battary 12v,2.5a or up.

nice work,nice time

j.

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raff33

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	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #23 on: July 01, 2010, 09:53:52 am »

hi japanese,
-coil 40cm diameter ;cable ADSL (8*0.50mm) ; 24 tr ; resistance (3ohms) without shielded cable.
-coil 1m*1m ; wire (0.50mm) ; 13 tr ; resistance (3.5 ohms) without shielded cable.

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	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #24 on: July 01, 2010, 10:06:32 am »

	Quote:	Posted by raff33
hi japanese, -coil 40cm diameter ;cable ADSL (80.50mm) ; 24 tr ; resistance (3ohms) without shielded cable. -coil 1m1m ; wire (0.50mm) ; 13 tr ; resistance (3.5 ohms) without shielded cable.

Hello Raff33 . The coil specs are ok . But I see big problem , in your fuzzy photo it looks like you are using all 5% tolerance resistors ? That is not good . And make sure the capacitance values are correct .

It sounds like you are close to finishing your project , Great Work !!!

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

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raff33

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	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #25 on: July 01, 2010, 02:56:10 pm »

HALLO EUGENE,
i did't find tolerance 1%, and i will verify all capacitor ............... Wink

-can i change C4,5,6=1.5nf by 2n2J ?
-what's can be the probleme of 1m*1m (2 meter deep on air no more.............?
Eugehe ---It sounds like you are close to finishing your project , Great Work !!! ----that's with your help and Tuxnot ;Ram ;...................;...........many thanks for all Great

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japanese Topic starter

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GARY PI

	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #26 on: July 02, 2010, 02:33:21 pm »

hi raff33

r23,24,25,26 =4.7k tolerance 0.1% exact value , 4.7k=4700 (+ or- 4.7ohm) ,now measuare any 4.7k if read 4.6k you can ad 100 ohm

the total 2 resestance =4600+100=4.7k
=4650+50 =4.7k
=4570+20 =4.7k
tolerance .1%= + or - 4.7ohm
best time

j.

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raff33

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	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #27 on: July 02, 2010, 05:13:43 pm »

hello japanese,
thanks for informations I will do................................... Wink

do you think that's the probleme of 1m*1m (2 meter deep on air no more) is
resistanse (0.1%) and kind of capacitors ?
Regards...........raff33

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	Re: TO ALL THE DEFERANCES BETWENN DPB2010,DELTAPULSE,PULSESTAR-BG « Reply #28 on: July 02, 2010, 11:45:00 pm »

Hello raff33 and JP .

Have you seen this Zip-Folder attachment on this Forum posted by Me on Nov . 22. 2009 ?

It has everything you need to finish the Delta Pulse !!

Regards.............Eugene

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