Recent content by iulian28ti

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    Energy to charge capacitor and stored energy

    The energy loss is most likely present in the discharge phase of the capacitor, where the parasitic resistance in line with the load "steals" energy. ---------------- heh...after some simulations, in more complex circuits (like our beloved SMPSs) , the resistance present when charging a...
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    Trying to wirelessly power an LED.

    Hmmm... more turns and a core were the first things which came to my mind. But... if you're using a high frequency, that core can become a problem. As Phrak said, perhaps a powedered core will do the trick.
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    Can PSU Be Connected to DC Source?

    Yes. Basically i want to jump over the rectification stage and provide it DC which it will convert to 12/5/3.3v through switching.
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    Can PSU Be Connected to DC Source?

    Yes, yes, yes, it provides 3.3, 5 and 12 volts. But my question was... due to its internal construction, is it possible to hook it up to a DC input ?
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    Can PSU Be Connected to DC Source?

    Can a PSU be connected to a DC source ? Asking because... http://images.electronicsinfoline.com/View/Photo/10001/Atx_power~0.gif" ...i see the AC input, followed by capacitors and inductors (or are they transformers?), then the line is rectified. But we don't necessarily need AC to pass...
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    How does a zener diode affect voltage and current in a circuit?

    I'm sorry, i meant Collector-Emitter voltage.
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    How does a zener diode affect voltage and current in a circuit?

    Thank you very much, but i have one more question about transistors. I understood how the current is controlled, but i don't know how the voltage is affected. Does the Emitter Voltage vary depending on the Base voltage or current ?
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    How does a zener diode affect voltage and current in a circuit?

    Okay, but if frequency increases, then the period decreases, and According to that, the voltage will increase. It is hard for me to think that alternators have more than two coils just for the reason of increasing frequency. One more question: if a generator has no load on it, then there will...
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    How does a zener diode affect voltage and current in a circuit?

    I didn't know that. Thanks for the info. Now another question. How do you saturate a transistor, by increasing the Base voltage or the Base current ? So then increasing the number of coils has no effect on the output ?
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    How does a zener diode affect voltage and current in a circuit?

    Hey guys, I'm in need of some help. First... I know that the formula for a generator is V = N(turns) * A(m2) * B(tesla) * RPM 1. Is that valid for both AC and DC generators ? 2. Is the formula for a generator with only one magnet and one coil ? If so, then adding more coils changes the...
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