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  1. mixos1

    High voltage pollarity indicator circuit/hv optimizer

    This simple looking circiut i modified to run off the high voltage output of one out of 2 high voltage output flyback transformers in a multiflyback driver circiut i biult, the leds work perfect no burnouts and by adjusting the driver circiut i get one led come on telling me its high voltage dc...
  2. mixos1

    SCR tester

    This simple scr testor uses very few components but the main one is the 12 volts auto indicator flasher unit from a car. of which is what flashers your indicators, the socket to plug the scr into you can make by breaking down a large intergrated circiut socket, into a length that has 3 sockets...
  3. mixos1

    Cold Heat Soldering Tool

    Heats fast, cools fast The Cold Heat Soldering Tool is a cordless tool that heats quickly and cools down nearly as fast. It creates the heat right in the proprietary tip material, making the tool 20 times more efficient than the average conventional soldering iron. The tip reaches 500 F in less...
  4. mixos1

    Simple N channel mosfet tester

    This simple mosfet tester ill email you what it looks like as a unit simple and effective if you have any trouble seeing it let me know ill redo a highlighted version. by Steven
  5. mixos1

    Home made pvc flyback transformer supports

    Steven writes:
  6. mixos1

    Transformer resources

    Inside Transformers http://www.du.edu/~jcalvert/tech/transfor.htm Transformer Basics http://www.federalpacific.com/university/transbasics/transbasics.html
  7. mixos1

    Grunding P37-040 TV Lost Colors

    I have a Grunding P37-040 color TV that lost it's colors. It was like a plain black-white one without any other problems. The problem fixed by re-adjusting the variable capacitor that the following images indicate. You can also replace this variable capacitor with a new one, because it seem...
  8. mixos1

    [CONTEST] WIN a Digital Multimeter - FINISHED

    Why let your projects lying in a corner of your hard disk? Make them available to the world... ...and enter the chance to win an auto range digital multimeter Submit your project to [email protected] until 21/4/2004 with your name and contact e-mail address. Files are preferred to...
  9. mixos1

    Inside a TO-3 Transistor case

    Ever wondered how a TO-3 transistor is from inside view? See below:
  10. mixos1

    Hameg HM205 Oscilloscope Manual

    Does anyone has a manual for that oscilloscope? I pay for a copy of it ;)
  11. mixos1

    Site Downloaders

    The last two days (14-15 Jan) two IPs (already reported to their ISPs) attacked the site causing to go offline for some hours. Hope they find something else to play and leave us alone.
  12. mixos1

    Convert 0-30V 3A PSU to 5A or more

    Let's give a try to this: How can we convert the following adjustable power supply which is rated at 3A max to 5A or more. It has a current limiter circuit and 0-30V output. Curent Specifications: - Input Voltage: ................ 24 VAC - Input Current: ................ 3 A (max) ------&gt...
  13. mixos1

    Single chip H-bridge

    If you are searching a single chip H-Bridge rated at 3A/55V you can try : LMD18200T Datasheet LMD18201T Datasheet L6203
  14. mixos1

    Online Service Manuals

    Here is a list of service manuals online: Notes on the Troubleshooting and Repair of Small Switchmode Power Supplies: http://repairfaq.ece.drexel.edu/sam/smpsfaq.htm Troubleshooting and Repair of Consumer Electronic Equipment: http://repairfaq.ece.drexel.edu/sam/tshoot.htm Small Household...
  15. mixos1

    New! Photo Gallery

    A new photo gallery with electronics related photos launched. It resides under Action section. It consists of 6 categories: old Radio museum, Electronika 2003, exhibition, inside a CRT, general, wallpapers, your laboratory. I am waiting your photos to add them also. Visit Photo Gallery...
  16. mixos1

    Soldering in Space Station!

    Even on the advanced spacecraft of the future, sooner or later things are bound to break. Space travelers on an extended mission to Mars, for example, would need to be ready to do small repairs just in case, soldering this, welding that ... more here...
  17. mixos1

    New Board created

    A new board created at the online Electronics Lab community :D Name: Circuit/General Requests Description: This is the ideal board to request projects, circuits, pages translations or anything else. Some posts from other places that requesting something will be moved here.
  18. mixos1

    What resolution are you using?

    What screen resolution are you using? Is www.Electronics-Lab.com design resolution makes your life hard?
  19. mixos1

    Inside a Cathod Ray Tube (CRT)

    Ever wondered what's inside your monitor? Here are some pictures from a broken monitor CRT that helps you clear out the mystery. Remember: Don't try it yourself because may be dangerous. The tube broken... and we are ready to see inside. Ops... I thought it was empty :o ! I was wrong...
  20. mixos1

    High power FM transmitter circuits

    Here is a list with high power fm transmitter circuits 8) : http://www.see.ed.ac.uk/~gjrp/EE3/Comms/Lecture10/sld009.htm http://www.aaroncake.net/circuits/3Wfmtran.htm http://members.tripod.com/xexorz/schematics/fmtrans1.html http://w1.859.telia.com/~u85920178/tx/v6_00.htm...
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