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Offline Tuxnor
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« Reply #110 on: January 23, 2010, 11:32:05 am »
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what is all this about STTH1210D and 3 x 4700uf caps ?? i cant find where it shall be on any deltapulse component overlay either on any schema i have untill now..
.what happend ? i have not been in the shower since christmas because of this headpain.STTH1210D.so please answer somone so i can go to my bathroom and take a bath
.i am also making the 2 side delta pulse
after this singel side pcb
i am ordering STTH1210D from my contakt in china..so if anyone need hard to get components i can help members here  worldwide
i succesfully got all my lf 357 and lm556 from china a week ago

Ken j?rgensen
Rossfjord avel

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« Last Edit: December 31, 1969, 06:00:00 pm by Tuxnor »
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« Reply #111 on: January 23, 2010, 02:33:26 pm »
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 Welcome
I have completed the build this circuit (delta pulse)
i use coil 60cm 0.5 mm 25 turn
and Result is:
, its emit voice continuously Cry
In the case of the reset
stope the voice or become weak and sporadic
What should I do
Please help me Sad

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Offline Logenxxx
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« Reply #112 on: January 23, 2010, 08:28:14 pm »
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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.

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Offline Tuxnor
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« Reply #113 on: January 24, 2010, 10:47:22 pm »
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Quote:Posted by housein
Welcome
I have completed the build this circuit (delta pulse)
i use coil 60cm 0.5 mm 25 turn
and Result is:
, its emit voice continuously Cry
In the case of the reset
stope the voice or become weak and sporadic
What should I do
Please help me Sad


If it have a voice try speak hard to it Lips Sealed
post a picture of it from over and under:) ?

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« Reply #114 on: January 25, 2010, 08:32:39 am »
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always refer to schematic while building the project, analyzed the schematic not the pcb. you can see connections in schematic then to pcb. always put in your mind that the circuit is analog positive ground. don't look for negative power supply, negative 12 volts in the circuit were used in mosfet source. negative 12v in the circuit have 2 rectifier diodes in series 1cap before feeding the circuit approx 11volts of negative supply. remember..the analog positive ground... not the digital ground of tlo62.

for best result of performance in dp, use all metal enclosure.

regards ram,

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« Reply #115 on: January 26, 2010, 01:57:42 pm »
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Quote:Posted by Tuxnor
If it have a voice try speak hard to it Lips Sealed

heyyy!!
Not nice
 I was in need of some help but
I can not speak English properly
tnx...

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Offline Tuxnor
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« Reply #116 on: January 26, 2010, 02:00:35 pm »
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Quote:Posted by housein
heyyy!!
Not nice
 I was in need of some help but
I can not speak English properly
tnx...

no worry..post a picture of it from over and under:) ?
sorry to your houmor..a joke ..hmm you are serius ?
its wery pity on me to..i dont get help so much
Try not speak english to it..you write good english--i dont lol xixi

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« Last Edit: December 31, 1969, 06:00:00 pm by Tuxnor »
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« Reply #117 on: January 26, 2010, 02:19:15 pm »
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Quote:Posted by Tuxnor
no worry..post a picture of it from over and under:) ?
sorry to your houmor..a joke ..hmm you are serius ?
its wery pity on me to..i dont get help so much
Try not speak english to it..you write good english--i dont lol xixi

hehehehe
no problem
I will thank you for your interest
I will post a pic of it In the coming days, I do not have pictures of it now   Undecided

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« Reply #118 on: January 26, 2010, 02:41:47 pm »
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 he he ..looking foward to your pictures..i am bulding it also..waiting for my last parts.

in the mean time we can try this..remember use plastic tube or wood for handel

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it goes deeper than deltapulse .lol  Smiley

my grandpappa used this for finding hoses ,water source when digging wells 6m+++?
and copper

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« Reply #119 on: January 26, 2010, 06:34:49 pm »
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i build the DP but my unit only detects metal when it is very very close to the coil (23 turns, #24, 40 cm), problems encounter during initial test, first broken connection between VD8 to VD9, second is broken connection between P3 (20k) to R4 (5K6), TR2 frequency is set to 100Hz. I also changed the IRF740. Where could be the possible error? P1 (50k) and P2 (500k) are also ok with oscilloscope. Thanks in advance

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