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Whites Surf PI schematic

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  • cristi71 thanks,, will try.

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    • hello, I have another pcb oxygen failure c9 mistake ic pin 9, pin 8 must be ic
      sorry for my bad English

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      • porkluvr
        I may have gotten this to work, I messed around with .inc statement , as you said,
        for the original 4093, lost track a bit, but I can get wave forms now

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        • CD4093B

          hello guys i was trying to stimulate the circuit using multisim but I am facing the same problem you have here with CD4093B any help ?
          and excuse my poor english

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          • you have any list with components parts ?

            you have any list with components parts ?

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            • you have any list with components parts ?

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              • kalyselo

                hi. check this list http://www.silverdog.co.uk/shop/imag.../partslist.txt

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                • Thank you very much!

                  Originally posted by antuan30 View Post
                  Thank you very much!

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                  • Question

                    To pin 6 ne5534 i have 0.018 V if i turn p1 not decrease not increase voltage.
                    Know someone who could be the problem?
                    Any idea?

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                    • I look at PCB board (Black), shown on page 12 and I can not understand what they're used items marked with TP1, TP2, TP3 and TP4. The board has two points marked with GND, which are part of the common GND of the scheme. What they are used. Please someone let me explain.

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                      • Originally posted by DIRCEU View Post
                        Hi! All
                        Hi
                        Don't have .lay file?

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                        • Hi
                          I changed Silverdog 2-side PCB to 1-side.
                          I tried to keep Silverdog excellent design.
                          If you see some errors please tell me.
                          Thanks
                          Attached Files

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                          • Originally posted by Shahab View Post
                            Hi
                            Don't have .lay file?
                            Hi! Shahab

                            Sorry for delay.

                            DIRCEU
                            Attached Files

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                            • Hi! All

                              I made corrections in "SURF LONG PCB SINGLE SIDE 1 ".
                              Some jumpers and one wire conection were suppressed.
                              I add a new board.

                              DIRCEU
                              Attached Files

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                              • Hi! All !

                                These are some modifications that I found on forums all over the world regarding this detector. Maybe there's more but I did not want to exaggerate with so many modifications.
                                Before you start to make this detector asked all the people who know about it and have a lot of experience and also their experiments and give an opinion on the modification and development of this SURF-detectors. Is it good to be in general modifies something in it? What is good and what is not good???
                                It means a lot to those who have not yet made and wants to make this handsome SURF PI -detector to be more sensitized.
                                Would really like all who know and have experience to tell us here and especially how to make bobbin to be very good and very sensitized.
                                Your experience!

                                http://imageshack.us/a/img21/7905/testforum.jpg

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