Please.. need help to connect a negative voltage end to transistor

Discussion in 'General Electronics Chat' started by chrisakuragi, Mar 28, 2011.

  1. chrisakuragi

    Thread Starter New Member

    Mar 3, 2011
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    Sir, I need to switch a power supply using transistor from negative end.. with respect to common ground..

    the output of the power supply is negative voltage with respect to common ground.

    Please help me to connect using a transistor...

    Schematic diagram would certainly help!
     
  2. R!f@@

    AAC Fanatic!

    Apr 2, 2009
    8,740
    759
    You need to specify the negative voltage and ur load specs.

    How is the base drive given is also a must.
     
  3. chrisakuragi

    Thread Starter New Member

    Mar 3, 2011
    16
    0
    I need the schematic diagram only... well, the power supply is -90V
     
  4. Kermit2

    AAC Fanatic!

    Feb 5, 2010
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    928
  5. chrisakuragi

    Thread Starter New Member

    Mar 3, 2011
    16
    0
    It doesn't have what i need.. anyway, thank you!
     
  6. sharma@vivek

    New Member

    May 2, 2010
    9
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    Please attach your Schematic, so that i can help you
     
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