How to make single output turn one transistor on and another off

Discussion in 'General Electronics Chat' started by tpny, Oct 31, 2012.

  1. tpny

    Thread Starter Member

    May 6, 2012
    216
    0
    Need my output to drive two transistors, turning one on while turning the other off. How do I configure this? Thanks!!
     
  2. luvv

    Member

    May 26, 2011
    186
    31
  3. Dodgydave

    Distinguished Member

    Jun 22, 2012
    4,969
    744
    Try this design, when Q1 is on, Q2 is off, and viceversa..
     
  4. elec_mech

    Senior Member

    Nov 12, 2008
    1,513
    193
    You can do this with an NPN and PNP transistor. Could you provide more details?
    1. What is the voltage and current (max) provided by this output?
    2. What are the transistors driving (volts and amps)?
    3. Do you have some specific transistors in mind or on hand you are trying to use?
     
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