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Voltage boost using diode

Discussion in 'General Electronics Discussion' started by dvdljns, Mar 8, 2009.

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  1. dvdljns


    Mar 8, 2009
    I have a 20 watt transistor that is in a device using a 12 volt dc supply. Using 12 volts its output is about 12 watts. I need the output to be in the 16 to 18 watt range looking at specs on this transister 16 volts will give me 20 watts. I do not want to redesign this power suply. Is there any way to use diodes in series to boost 12 volts to about 15 volts. I need a solution that will fit inside this radio can be hooked up as a seprate board so as not to interfere with the rest of the other devices.
  2. amdNRA


    Sep 3, 2009
    So...this is a power supply in which you want to have higher voltage output? Right? Or is it what you need is a stiffer supply that can deliver more current at the output? More info is needed but I can tell you that diodes in series do not boost the voltage and quite the contrary, end up dropping voltage (Forward voltage drop).
    Later, Gil. :)
  3. neon


    Oct 21, 2006
    there is no way that you can add anything in series to boost anything. parallel is a different story.
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