Search results

Search Forums New Posts
  1. steven2

    nearing the 20,000 memebers mark

    :)hello rojojb you made the 20,000 memeber mark, cheers to electronics lab this site will grow and someday be the biggest and best electronics site on the net
  2. steven2

    nearing the 20,000 memebers mark

    :)ive been keeping track of the growing membership still and we are getting there and i predict that microsft will  pay big bucks for this site and the the guys behind this site will walk away a millionare to , ha ha ha
  3. steven2

    Electret Mic

    looks like ya biuldinga listening circuit like i did with audio gurus help. i had no luck with that 1458 circuit ya biulding but i did with the 741 alone  you can see them all in the forums under big ear  or super snooper circuit help reqest, somewhere
  4. steven2

    Indicator relay, fixable?

    i use a relay indicater flasher unit for my version scr tester, in the high voltage stuff section and mine dosent have an ic  it has  electrolytic capacitor and transister in it no ic at all
  5. steven2

    Homemade capacitor holders

    and very easy to make to  and allso other things for holding other parts to ,
  6. steven2

    About Tracking Transmitters

    :)go to talking electronics site on the net look at the car tracker or beeper bug
  7. steven2

    TLO74 ic data reqest

    thankyou audio guru
  8. steven2

    TLO74 ic data reqest

    thankyou audio guru i dident know till now its a 14 pinner type ic
  9. steven2

    TLO74 ic data reqest

    thankyou hotwater wizard
  10. steven2

    TLO74 ic data reqest

    :)has anyone got any data on the tlo74 ic and some circuits its used in , and if possible what are any replacements for this ic ,
  11. steven2

    geophone kit circuit reqest

    audio guru ive made the latest changes with your corections and it seems to be ok ill post more replies when i get fresh batteries
  12. steven2

    Ignition coil driver circuits and experiments

    mosfets are very dear here , and  the npn power trannys are cheaper and i can use the 2n3058 to besides the 2n3055  for the ignition coil driver , the 2n3058 can handle more voltage than the 2n3055 but then i use 12 volts lead acid cell batteries so im satisfied with the great arcs i get from 12...
  13. steven2

    Ignition coil driver circuits and experiments

    audio guru ive lernt that from surfing the net that movs are handy for mosfet protection , i was looseing mosfets in the circuit and so  when i put in an mov ive never lost a mosfet since  not bad hey , and even if they was suposed to be protected in circuit then the mov  would provide the extra...
  14. steven2

    Ignition coil driver circuits and experiments

    i see you use a mosfet instead of the 2n3055 npn power transistor ,  and if ya did use the 2n3o55 tranny , then you will have less chance of looseing that transistor as its not static sensitive like the mosfets are and will last longer . for the mosfet well you will need an mov from drain to...
  15. steven2

    Ignition coil driver circuits and experiments

    its in the high voltage stuff section somewhere
  16. steven2

    Ignition coil driver circuits and experiments

    oh by the way if it takes to long to read all my posts . when exsperimenting with my high voltage output flyback transformer some time back, useing the same driver circuit , a wire come off a pot and the whole circuit went into resonance , acording to what i was told , the flyback would of went...
  17. steven2

    Ignition coil driver circuits and experiments

    nice pictures keep up the good work
  18. steven2

    Ignition coil driver circuits and experiments

    :)very unusual teddy, what looks like  2 high voltage outputs is actually one high voltage output and the other the return , and the inputs well the neg is normally allso the return but i see its not , just different . i have a high voltage flyback transformer and it has a hv out and return both...
  19. steven2

    geophone kit circuit reqest

    thankyou audio guru ,
  20. steven2

    geophone kit circuit reqest

    thankyou audio guru ill try that one to, all though there are more 741 circuits on the net to and the one i used before was one of them so i welcome the extra. oh by the way i tried that circuit you said to try and its not very good it dont work, the powerfull rare earth magnets have to be...
Top