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  • 786
    Guest replied
    anyone know this software please help me

    Hi all
    i want to ask ,can i use this software ( Virtins Sound Card Instrument Manual ) instead real Oscilloscope?
    i think that this software does not work more voltage (Signal with high voltage can easily burn your sound card or even your computer)
    is it delta pulse tr0 tr1 ... and pins TLF356 more voltage? if "yes" can i decrease voltage by resistor then measure them?
    anyone know the software is useful please tell me.(i have one laptop pc).
    Thanks alot for reply.

    Leave a comment:


  • i am tyro .
    Guest replied
    help for build coil.

    Hi all
    i live in small city.
    i can not find wire 1mm . it is here 0.9mm (AWG 19).
    i want to build 1*1m coil and 60*60.
    turn 1*1m = ?
    turn 60*60=?
    and i should use shield or no.
    thanks.

    Leave a comment:


  • aft_72005
    replied
    Hi 786
    1N 4148 is DUS diode or it is popular.
    Shotky diode specification and characteristic had many different with 1N4148.
    In switching applications we cannot use DUS diode instead of shotky diode.
    But if you use IN4148 for timing section at pin 14, 4538 IC in xr-71. yes,
    You be able use it.

    Leave a comment:


  • 786
    Guest replied
    i want to use on XR71

    Hi
    aft_72005
    can i use on XR71 TOO?
    THANKS A LOT FOR REPLY.

    Leave a comment:


  • aft_72005
    replied
    Hi all
    i can not find the D(BAT46)
    i want to change D(BAT 49) .CAN I CHANGE WITH (BAT43 OR BAT42)?
    can you help me for this problem?
    regards!
    Hi 786
    If your opinion using this schotky diodes for deltapulse , you can
    Use instead of it, 1N4148.
    Regards.

    Leave a comment:


  • 786
    Guest replied
    i have ?

    Hi all
    i can not find the D(BAT46)
    i want to change D(BAT 49) .CAN I CHANGE WITH (BAT43 OR BAT42)?
    can you help me for this problem?
    regards!

    Leave a comment:


  • strujas
    replied
    Originally posted by 1843 View Post
    Doesn't matter... 17 turns is ok.
    Thanx

    Leave a comment:


  • 1843
    replied
    Originally posted by strujas View Post
    Which thicknes of wire 1mm?
    how much windings for 0.8mm?
    Doesn't matter... 17 turns is ok.

    Leave a comment:


  • strujas
    replied
    Originally posted by 1843 View Post
    Hi,

    17 Turns is for 1m x 1m.

    regards!
    Which thicknes of wire 1mm?
    how much windings for 0.8mm?

    Leave a comment:


  • 1843
    replied
    Hi,

    17 Turns is for 1m x 1m.

    regards!

    Leave a comment:


  • strujas
    replied
    I haven't been enough precise, i am planing to construct square coil 1x1M, I supose that your friend had made round coil, square coil have bigger surface, and i supose that i need to wind less windings for square coil, 1 or 2 less, what you think?
    Regards!

    Leave a comment:


  • Geo
    replied
    Originally posted by strujas View Post
    Thanx Geo, I will make that soon!
    Ok.
    A friend tried it before 2 weeks with very good results.

    Leave a comment:


  • strujas
    replied
    Thanx Geo, I will make that soon!

    Leave a comment:


  • Fred
    replied
    Originally posted by Pektro View Post
    Hi,
    I have just started my DP, and it looks, that everything is working well
    Tommorow I'll buy missing LF357 and 555, but it can take me few days until I'll get AWG wire to make the coil.
    Photo of my DP, and photo of scope showing signals TR3 and TR5.
    Hi Pektro,

    You have soldered all potenciometers on the copper side of the PCB, so all controls will be reversed, did you do this on purpose?

    Regards,
    Fred.

    Leave a comment:


  • Geo
    replied
    Originally posted by strujas View Post
    Hi guys, Did any of you tryed to make coil for DP diameter 1M (100cm)?

    17 turns with wire 1mm is OK
    Good luck

    Leave a comment:

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