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Bulgarian 'PULSE STAR' (... close to Legendary one)

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  • mohandes
    replied
    hello george
    i check that and that is correct butit is wrong.
    and 7808 in the picture pin 3 is output but in schematic is input.and pin 1 in schematic go to +8v but in the pictur input ispin 1. is it correct in shematic?
    and 7660 pin 5 is output not pin2 is it correct?
    regards

    Leave a comment:


  • georgi.g.zhelev
    replied
    Originally posted by mohandes View Post
    I think find my error
    i use the lm2940 http://www.icver.com/images/PIC/L/LM/LM2940T-5.0.JPG and think the correct lm isLM2940CT 12 Volt 1 Amp Low Dropout Regulator


    now it is ok?
    and i use the schematic alexis .Gnd is + or-?is this correct
    http://ups.night-skin.com/up-91-12/help0-.jpg
    SEE schematic!Click image for larger version

Name:	ps zahr LM2940  2.JPG
Views:	1
Size:	88.7 KB
ID:	335224
    Attached Files

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  • mohandes
    replied
    I think find my error
    i use the lm2940 http://www.icver.com/images/PIC/L/LM/LM2940T-5.0.JPG and think the correct lm isLM2940CT 12 Volt 1 Amp Low Dropout Regulator


    now it is ok?
    and i use the schematic alexis .Gnd is + or-?is this correct
    http://ups.night-skin.com/up-91-12/help0-.jpg

    Leave a comment:


  • mohandes
    replied
    No body know my problem????????????????
    I am waiting..............

    Leave a comment:


  • mohandes
    replied
    Thanks Geo.
    آپلود عکس,آپلود عکس,آپلود رایگان عکس,آپلود فلش,آپلود,آپلود فایل,آپلود تصویر,آپلود تصاویر,آپلود عکس ها,آپلود فیلم,آپلود آهنگ,آپلود سنتر,آپلد عکس,آپلود نایت اسکین,عکس آپلود,آپلودzip,آپلود mp3

    check the picture and help me.
    i do but not have result.
    thanks

    Leave a comment:


  • Geo
    replied
    GND is +12V.

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  • mohandes
    replied

    my problem is this shematic.
    Gnd is +12 or -12?
    i waiting........

    Leave a comment:


  • Geo
    replied
    Originally posted by scs View Post
    PI detectors with only one coil having bad discrimination.Good discovery can be displayed as scrap iron.
    Who is the difference if the coil is an IB?? What is this that will make the discrimination??
    Or... do you mean 2 coils???

    Leave a comment:


  • mohandes
    replied
    Hello georgi
    I think my first pcb of psg part of battery schematic is wrong and I again design attentive new pcb and set the parts but it do not give me the voltages.
    realy i help you.just you know i now use de adaptor 15volt and 1000ma-1500ma except the battery.
    when i connect the adaptor all out put voltage are 15 volt?
    what is my problem ?help me
    thanks

    Leave a comment:


  • scs
    replied
    PI detectors with only one coil having bad discrimination.Good discovery can be displayed as scrap iron.

    Leave a comment:


  • Geo
    replied
    Originally posted by mikebg View Post
    All information is given in my post #443
    I showed with limk his post here in the forum:

    General tech discussions on all types of metal detectors: VLF, 2-box, BFO, off-resonance, PLL, etc. Questions, ideas, and anything else that moves you.


    His nickname is PiTec and real name is Thomas Breuer - owner of TB electronics - Germany.
    I showed with link his company. Please press that link to see the legendary one!
    Thanks Mike!!!

    I found all them........

    Leave a comment:


  • mohandes
    replied
    no bodu help me
    iam tired.who is here ???????

    Leave a comment:


  • mohandes
    replied
    hello
    my serious problem in schematic of alexis #4(supply figure) of lm2940 .when i connect the source that be too hot.
    regards

    Leave a comment:


  • mohandes
    replied
    hello george
    i change the bases of 7909.but again too hot.
    what is my wrong?
    please help me
    regards

    Leave a comment:


  • mikebg
    replied
    Originally posted by Geo View Post
    Hi Mike.
    Who is the designer of original PS???
    Do you know him or you readed it.

    Regards
    All information is given in my post #443
    I showed with limk his post here in the forum:

    General tech discussions on all types of metal detectors: VLF, 2-box, BFO, off-resonance, PLL, etc. Questions, ideas, and anything else that moves you.


    His nickname is PiTec and real name is Thomas Breuer - owner of TB electronics - Germany.
    I showed with link his company. Please press that link to see the legendary one!

    Leave a comment:

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