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Offline saker
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« Reply #710 on: April 09, 2016, 03:58:23 pm »
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so what i must do for get mor sansative to gold ?
thank you NE555

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Offline Timc
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« Reply #711 on: April 09, 2016, 06:49:39 pm »
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Hi. I have found the XR71 to be excellent on larger and deeper items, however all my attempts to improve performance on small gold have been in vain. The 40x30 Cat5(450uH) coil I made for it is more(still not very) sensitive to gold when fitted to my SurfPro. My 6 inch Cat5 (350uH) round coil that screams on gold on the SurfPro can not come anywhere near the sensitivity when fitted to the Sniffer, no matter what settings I try.

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Offline NE555
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« Reply #712 on: April 10, 2016, 03:51:44 am »
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discussed 1000th times and you ask me same Q again. THATS BAD Angry
C4 C5 set to 1 nF. R7 decrease to maybe 5,1k - tune on min 10usec FIRST (MAIN) DELAY WIDTH.

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« Reply #713 on: April 11, 2016, 02:38:15 pm »
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Timc and NE555 i am thank you very much
this is a new info for me abute R7 - C4 - C5 and coil
sorry about repet this qustion !

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« Last Edit: April 11, 2016, 02:42:16 pm by saker »
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Offline haikel774
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« Reply #714 on: May 01, 2016, 06:13:59 am »
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hi all friends

I try to do my tune adjustment for classic delta pulse
help me please

thank you

H.

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Offline haikel774
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« Reply #715 on: May 02, 2016, 06:33:39 pm »
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hi

what"is the emplacements for gren points in the pcb

thank you


thank you japenese

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« Last Edit: May 02, 2016, 06:34:41 pm by haikel774 »
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Offline havoc88
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« Reply #716 on: August 18, 2016, 06:49:52 am »
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Hello there Thunters. This is my first post here.

I need your help  if anyone knows how to help me. I have made a delta pulse / xr 71 following this layout. The problem now is that the detector alerts randomly (I am on vacation so I have no frequency meter to calibrate it or extra ic's). I have double checked all connections and found no mistakes on my pcb or shortcircuits. Any ideas ?

Thanks !

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Offline alvazico1963
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pi clone w,pi clone avr,
« Reply #717 on: September 14, 2016, 03:06:10 pm »
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because retreat tl062, left side of the plate top,, it works,, detects a bit and stops,,, change ... the tl062 put in place, it is muted. some opinion?
with TL072, not working,, have to change something?
reset key was placed improperly,, was closed instead of open,, VU ALL POWER ... MAY HAVE AFFECTED SOMETHING OR OTHER COMPONENTS?

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« Reply #718 on: November 13, 2016, 06:45:00 am »
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revised ordered board

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Offline NE555
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« Reply #719 on: November 17, 2016, 09:22:12 am »
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minimum word requirements (2 words).

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