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Offline Wilson
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Delta Pulse stage assemply
« Reply #460 on: October 28, 2010, 10:39:25 am »
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Hello Ram, I'll check the forum.
Thanks Wise

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Offline Wilson
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Delta Pulse stage assemply
« Reply #461 on: October 29, 2010, 05:04:15 pm »
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Tradu??o do portugu?s para ingl?s
Hello everyone, I changed a section of the circuit by adding a capacitor in series with the gain potentiometer to prevent possible dc level, this modification was suggested by a member of the site which I can not remember the name.
This modification improved the gain adjustment circuit stability and very good, I thank the author of the modification. Pray

 Detecting
Frequency 120Hz not know if it is correct for the diameter of the coil but is working well.

R5 and R6 ---1k  1W
30cm diameter coil wire .5 mm 3.7homs
Replaced by TL062 for TL072

Gold ring 27cm in air
Beer can 80cm in air
Paint Bucket 1 / 4 1mt

Note: The capacitor is suggested by the author 220nF,replaces 470nF polyester I installed worked very well.

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Offline cuirava
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fisher
« Reply #462 on: October 30, 2010, 03:47:19 pm »
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you'r close to a wizard! Grin

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Offline vourvon
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« Reply #463 on: November 01, 2010, 08:01:27 am »
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Hello,

    Anybody can post here the procedure step by step on how to do after turn on the power of Delta Pulse and what is the function of all knobs. Thanks in advance.

vourvon

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Offline japanese
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GARY PI
« Reply #464 on: November 01, 2010, 08:41:11 am »
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Hi vourvon
     Look at ver 6 . Starting from the left is  [noise] is P3 = 20K ohm and is the pulse-width power adjustment . The next one over is [sens] is P2= 500K ohms and it is the timing range adjust for the second delay pulse start . The next is [Gain]  is P4 =20K ohm  adjusts input signal to I.C. D5A =TL062 . The next is the audio [Threshold] P5= 10K ohm . The last volume control is P6=1k is not shown on the schematic.
 
 after turn on the power of Delta Pulse ,press reset for secand,you see metar move
 to left and back to right at 0.after that no sound, adj p1~p6 .

every p from p1~p6 has scale 0~10
p3=3~6,p1=3~6,p2=1,p4=6,p5=1,p6(vol).

 after adj. you hear 3 sound Regular per sec.if a metal near the coil you hear
 Fast sound depend on where the metal from the coil.
 BEST TIME
  J.
 

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Offline Engr Obaid
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« Reply #465 on: November 01, 2010, 10:22:06 am »
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Dear,

 Recently I made the latest Delta Pulse which is available from the site
 

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It is very nice circuit to made, I was having  problem with old version of Delta Plus


BR,

Obaid


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« Last Edit: December 31, 1969, 06:00:00 pm by Engr Obaid »
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Offline hesamavr
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« Reply #466 on: November 01, 2010, 11:02:32 am »
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From the video in your mentioned web page, we can see that this circuit also has instability problem. it makes a sound frequently or sometimes randomly without the presence of metal. 

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Offline vourvon
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« Reply #467 on: November 01, 2010, 06:54:24 pm »
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japanese,

    Thank you for prompt response and I will do what you share. Another request can you elaborate the function of the following:

P3: Noise / Pulse Width = ?
P1: Signal / Delay = ?
P2: Sense / Range = ?
P4: Gain / Sense = ?
P5: Threshold / Threshold = ?
P6: Volume / None = ?

The 1st column is the name from Delta Pulse by Mikron Electronic and the 2nd is for Unified Delta Pulse fixed by kt315. Who of 2 are more proper calling. Anyone also invited to elaborate this and much better if you can post the manual instruction.

vourvon

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Offline japanese
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GARY PI
« Reply #468 on: November 01, 2010, 07:39:08 pm »
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Hi vourvon
              i take ver 6 fixed by kt315.
best time
j.

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Offline LINE
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« Reply #469 on: November 03, 2010, 02:39:24 am »
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hi i made this power supply i dont if there errors, any comment and upgrade or modifcation is higly appreciated your opinion is important, thanks

Posted on: November 03, 2010, 03:28:07 AM
MY QUESTION FROM PAGE 45 HAS NOT BEEN ANSWERED I NEED HELP WITH THE DIAGRAM I SENT WHAT IS THE PURPOSE OF THE CIRCUIT NEXT TO POWER SUPPLY CIRCUIT OF SNIFFER XR71 IN CIRCLED FROM THE DIAGRAM.

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