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  1. ante1

    I like to find someone to build prototypes

    You can wire three 24 VDC alternators in series to get 72 VDC, this works fine. Or you can re-wind the stator in an existing alternator if you only got room for one alternator. No big deal.
  2. ante1

    Build your own jukebox

    A real jukebox must have vinyl records in it! A modern
  3. ante1

    power supply cutting out

    Yes it will work at 7.5V no problem. The mass of the heavy flywheel reduces the acceleration of the motor; this is how to determine the torque of the motor.
  4. ante1

    0-30 Vdc Stabilized Power Supply

    Again: do you know how to read a datasheet? Do you know how to use a calculator? I can
  5. ante1

    0-30 Vdc Stabilized Power Supply

    If it
  6. ante1

    power supply cutting out

    Try a
  7. ante1

    High Power LED Mood Lamp

    Hi AG, So, perhaps we need to change the series resistor values to compensate for the BC517 drop then. I believe the current draw of the BC 517 base will never get anywhere near 25mA!
  8. ante1

    0-30 Vdc Stabilized Power Supply

    How
  9. ante1

    High Power LED Mood Lamp

    How about changing the BC 337 for some BC 517 they don
  10. ante1

    500W sine wave inverter design

    I live in Europe and I know what a Seat Ibiza looks like, it
  11. ante1

    Drop amps from 25A to 8A

    ??
  12. ante1

    Automobile ignition power transistor

    I bet you got an improved mileage too! The energy from the coil should be used to ignite the fuel inside the engine not illuminate the engine compartment! ;D
  13. ante1

    Electronic lab kits for learning?

    Philips made quite a few kits like this back in the late sixties and early seventies and I thought they worked very well. Philips EE electronic experiment kits, and even a few mechanical kits where produced also good quallity. I have fiddled and had a lot of fun with a few of these kits back in...
  14. ante1

    EQUIVALENT TRANSISTOR MJE13001

    The only thing MJE 13001 and BUZ 11A has common are three legs!
  15. ante1

    500W sine wave inverter design

    A 50Ah battery might be a motorcycle battery. Most midsize cars have 70Ah for petrol engines and 90 or more for diesels.
  16. ante1

    Automobile ignition power transistor

    I find it more likely that another part/component has gone bad. I would check the wiring and the connectors for oxidation and dirt/moist. Some ignition modules have internal temperature protection and if the cooling of the module is not sufficient it reduces power and eventually shuts down...
  17. ante1

    APC and battery?

    You should not parallel it to the original battery since they are not the same type. You might get away with replacing it though but the charging time and characteristics can be a problem. The charger inside the APC is not set/dimensioned for a car battery and the car battery is usually not of...
  18. ante1

    Stun Gun from Camera Flash

    No not you, your posts! I haven
  19. ante1

    My high voltage experiments and schematics

    YMBFKM!
  20. ante1

    Please help on odd reference voltages

    This circuit will be sensitive to temperature changes.
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